1320 lines
40 KiB
C++
1320 lines
40 KiB
C++
/* fhandler.h
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _FHANDLER_H_
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#define _FHANDLER_H_
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/* fcntl flags used only internaly. */
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#define O_NOSYMLINK 0x080000
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#define O_DIROPEN 0x100000
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/* newlib used to define O_NDELAY differently from O_NONBLOCK. Now it
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properly defines both to be the same. Unfortunately, we have to
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behave properly the old version, too, to accommodate older executables. */
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#define OLD_O_NDELAY (CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK ? 4 : 0)
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/* Care for the old O_NDELAY flag. If one of the flags is set,
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both flags are set. */
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#define O_NONBLOCK_MASK (O_NONBLOCK | OLD_O_NDELAY)
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extern const char *windows_device_names[];
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extern struct __cygwin_perfile *perfile_table;
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#define __fmode (*(user_data->fmode_ptr))
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extern const char proc[];
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extern const int proc_len;
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class select_record;
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class fhandler_disk_file;
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typedef struct __DIR DIR;
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struct dirent;
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struct iovec;
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struct __acl32;
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enum conn_state
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{
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unconnected = 0,
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connect_pending = 1,
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connected = 2
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};
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enum line_edit_status
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{
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line_edit_ok = 0,
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line_edit_input_done = 1,
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line_edit_signalled = 2,
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line_edit_error = 3,
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line_edit_pipe_full = 4
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};
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enum bg_check_types
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{
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bg_error = -1,
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bg_eof = 0,
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bg_ok = 1,
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bg_signalled = 2
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};
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enum query_state {
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no_query = 0,
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query_read_control = 1,
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query_stat_control = 2,
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query_write_control = 3,
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query_write_attributes = 4
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};
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class fhandler_base
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{
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friend class dtable;
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friend void close_all_files ();
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struct status_flags
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{
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unsigned rbinary : 1; /* binary read mode */
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unsigned rbinset : 1; /* binary read mode explicitly set */
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unsigned wbinary : 1; /* binary write mode */
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unsigned wbinset : 1; /* binary write mode explicitly set */
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unsigned nohandle : 1; /* No handle associated with fhandler. */
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unsigned uninterruptible_io : 1; /* Set if I/O should be uninterruptible. */
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unsigned append_mode : 1; /* always append */
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unsigned did_lseek : 1; /* set when lseek is called as a flag that
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_write should check if we've moved
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beyond EOF, zero filling or making
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file sparse if so. */
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unsigned query_open : 3; /* open file without requesting either
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read or write access */
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unsigned close_on_exec : 1; /* close-on-exec */
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unsigned need_fork_fixup : 1; /* Set if need to fixup after fork. */
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unsigned has_changed : 1; /* Flag used to set ctime on close. */
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public:
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status_flags () :
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rbinary (0), rbinset (0), wbinary (0), wbinset (0), nohandle (0),
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uninterruptible_io (0), append_mode (0), did_lseek (0),
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query_open (no_query), close_on_exec (0), need_fork_fixup (0),
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has_changed (0)
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{}
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} status, open_status;
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private:
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int access;
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HANDLE io_handle;
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__ino64_t namehash; /* hashed filename, used as inode num */
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protected:
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/* File open flags from open () and fcntl () calls */
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int openflags;
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char *rabuf; /* used for crlf conversion in text files */
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size_t ralen;
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size_t raixget;
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size_t raixput;
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size_t rabuflen;
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DWORD fs_flags;
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HANDLE read_state;
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path_conv pc;
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public:
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class fhandler_base *archetype;
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int usecount;
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void set_name (path_conv &pc);
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int error () const {return pc.error;}
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void set_error (int error) {pc.error = error;}
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bool exists () const {return pc.exists ();}
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int pc_binmode () const {return pc.binmode ();}
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device& dev () {return pc.dev;}
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operator DWORD& () {return (DWORD) pc;}
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virtual size_t size () const {return sizeof (*this);}
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virtual fhandler_base& operator =(fhandler_base &x);
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fhandler_base ();
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virtual ~fhandler_base ();
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/* Non-virtual simple accessor functions. */
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void set_io_handle (HANDLE x) { io_handle = x; }
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DWORD& get_device () { return dev ().devn; }
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DWORD get_major () { return dev ().major; }
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DWORD get_minor () { return dev ().minor; }
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virtual int get_unit () { return dev ().minor; }
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int get_access () const { return access; }
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void set_access (int x) { access = x; }
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int get_flags () { return openflags; }
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void set_flags (int x, int supplied_bin = 0);
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bool is_nonblocking ();
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void set_nonblocking (int yes);
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bool wbinary () const { return status.wbinset ? status.wbinary : 1; }
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bool rbinary () const { return status.rbinset ? status.rbinary : 1; }
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void wbinary (bool b) {status.wbinary = b; status.wbinset = 1;}
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void rbinary (bool b) {status.rbinary = b; status.rbinset = 1;}
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void set_open_status () {open_status = status;}
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void reset_to_open_binmode ()
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{
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set_flags ((get_flags () & ~(O_TEXT | O_BINARY))
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| ((open_status.wbinary || open_status.rbinary)
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? O_BINARY : O_TEXT));
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}
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IMPLEMENT_STATUS_FLAG (bool, wbinset)
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IMPLEMENT_STATUS_FLAG (bool, rbinset)
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IMPLEMENT_STATUS_FLAG (bool, nohandle)
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IMPLEMENT_STATUS_FLAG (bool, uninterruptible_io)
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IMPLEMENT_STATUS_FLAG (bool, append_mode)
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IMPLEMENT_STATUS_FLAG (bool, did_lseek)
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IMPLEMENT_STATUS_FLAG (query_state, query_open)
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IMPLEMENT_STATUS_FLAG (bool, close_on_exec)
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IMPLEMENT_STATUS_FLAG (bool, need_fork_fixup)
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IMPLEMENT_STATUS_FLAG (bool, has_changed)
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int get_default_fmode (int flags);
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virtual void set_close_on_exec (bool val);
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LPSECURITY_ATTRIBUTES get_inheritance (bool all = 0)
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{
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if (all)
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return close_on_exec () ? &sec_all_nih : &sec_all;
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else
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return close_on_exec () ? &sec_none_nih : &sec_none;
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}
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virtual void fixup_before_fork_exec (DWORD) {}
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virtual void fixup_after_fork (HANDLE);
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virtual void fixup_after_exec () {}
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void create_read_state (LONG n)
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{
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read_state = CreateSemaphore (&sec_none_nih, 0, n, NULL);
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}
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void signal_read_state (LONG n)
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{
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(void) ReleaseSemaphore (read_state, n, NULL);
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}
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void set_fs_flags (DWORD flags) { fs_flags = flags; }
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bool get_fs_flags (DWORD flagval = UINT32_MAX)
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{ return (fs_flags & (flagval)); }
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bool get_readahead_valid () { return raixget < ralen; }
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int puts_readahead (const char *s, size_t len = (size_t) -1);
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int put_readahead (char value);
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int get_readahead ();
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int peek_readahead (int queryput = 0);
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int eat_readahead (int n);
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void set_readahead_valid (int val, int ch = -1);
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int get_readahead_into_buffer (char *buf, size_t buflen);
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bool has_acls () const { return pc.has_acls (); }
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bool isremote () { return pc.isremote (); }
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bool has_attribute (DWORD x) const {return pc.has_attribute (x);}
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const char *get_name () const { return pc.normalized_path; }
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const char *get_win32_name () { return pc.get_win32 (); }
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__ino64_t get_namehash () { return namehash ?: namehash = hash_path_name (0, get_win32_name ()); }
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/* Returns name used for /proc/<pid>/fd in buf. */
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virtual char *get_proc_fd_name (char *buf);
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virtual void hclose (HANDLE h) {CloseHandle (h);}
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virtual void set_no_inheritance (HANDLE &h, int not_inheriting);
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/* fixup fd possibly non-inherited handles after fork */
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void fork_fixup (HANDLE parent, HANDLE &h, const char *name);
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virtual bool need_fixup_before () const {return false;}
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int open_9x (int flags, mode_t mode = 0);
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virtual int open (int flags, mode_t mode = 0);
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int open_fs (int flags, mode_t mode = 0);
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virtual int close ();
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int close_fs ();
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virtual int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fstat_fs (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fstat_helper (struct __stat64 *buf,
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FILETIME ftCreationTime,
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FILETIME ftLastAccessTime,
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FILETIME ftLastWriteTime,
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DWORD dwVolumeSerialNumber,
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DWORD nFileSizeHigh,
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DWORD nFileSizeLow,
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DWORD nFileIndexHigh,
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DWORD nFileIndexLow,
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DWORD nNumberOfLinks)
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__attribute__ ((regparm (3)));
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int __stdcall fstat_by_handle (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fstat_by_name (struct __stat64 *buf) __attribute__ ((regparm (2)));
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virtual int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
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virtual int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
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virtual int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
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virtual int __stdcall ftruncate (_off64_t) __attribute__ ((regparm (2)));
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virtual int __stdcall link (const char *) __attribute__ ((regparm (2)));
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virtual int __stdcall utimes (const struct timeval *) __attribute__ ((regparm (2)));
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virtual int __stdcall fsync (void) __attribute__ ((regparm (1)));
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virtual int ioctl (unsigned int cmd, void *);
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virtual int fcntl (int cmd, void *);
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virtual char const *ttyname () { return get_name (); }
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virtual void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
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virtual int write (const void *ptr, size_t len);
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virtual ssize_t readv (const struct iovec *, int iovcnt, ssize_t tot = -1);
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virtual ssize_t writev (const struct iovec *, int iovcnt, ssize_t tot = -1);
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virtual _off64_t lseek (_off64_t offset, int whence);
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virtual int lock (int, struct __flock64 *);
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virtual void dump ();
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virtual int dup (fhandler_base *child);
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virtual HANDLE mmap (caddr_t *addr, size_t len, DWORD access,
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int flags, _off64_t off);
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virtual int munmap (HANDLE h, caddr_t addr, size_t len);
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virtual int msync (HANDLE h, caddr_t addr, size_t len, int flags);
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virtual bool fixup_mmap_after_fork (HANDLE h, DWORD access, int flags,
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_off64_t offset, DWORD size,
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void *address);
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void *operator new (size_t, void *p) {return p;}
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virtual void init (HANDLE, DWORD, mode_t);
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virtual int tcflush (int);
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virtual int tcsendbreak (int);
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virtual int tcdrain ();
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virtual int tcflow (int);
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virtual int tcsetattr (int a, const struct termios *t);
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virtual int tcgetattr (struct termios *t);
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virtual int tcsetpgrp (const pid_t pid);
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virtual int tcgetpgrp ();
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virtual int is_tty () { return 0; }
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virtual bool isdevice () { return true; }
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virtual bool isfifo () { return false; }
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virtual char *ptsname () { return NULL;}
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virtual class fhandler_socket *is_socket () { return NULL; }
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virtual class fhandler_console *is_console () { return 0; }
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virtual int is_windows () {return 0; }
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virtual void raw_read (void *ptr, size_t& ulen);
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virtual int raw_write (const void *ptr, size_t ulen);
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/* Virtual accessor functions to hide the fact
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that some fd's have two handles. */
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virtual HANDLE& get_handle () { return io_handle; }
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virtual HANDLE& get_io_handle () { return io_handle; }
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virtual HANDLE& get_output_handle () { return io_handle; }
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virtual bool hit_eof () {return false;}
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virtual select_record *select_read (select_record *s);
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virtual select_record *select_write (select_record *s);
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virtual select_record *select_except (select_record *s);
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virtual int ready_for_read (int fd, DWORD howlong);
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virtual const char *get_native_name ()
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{
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return dev ().native;
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}
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virtual bg_check_types bg_check (int) {return bg_ok;}
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void clear_readahead ()
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{
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raixput = raixget = ralen = rabuflen = 0;
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rabuf = NULL;
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}
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void operator delete (void *);
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virtual HANDLE get_guard () const {return NULL;}
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virtual void set_eof () {}
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virtual DIR *opendir ();
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virtual dirent *readdir (DIR *);
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virtual _off64_t telldir (DIR *);
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virtual void seekdir (DIR *, _off64_t);
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virtual void rewinddir (DIR *);
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virtual int closedir (DIR *);
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virtual bool is_slow () {return 0;}
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bool is_auto_device () {return isdevice () && !dev ().isfs ();}
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bool is_fs_special () {return pc.is_fs_special ();}
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bool device_access_denied (int) __attribute__ ((regparm (2)));
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int fhaccess (int flags) __attribute__ ((regparm (2)));
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friend class fhandler_fifo;
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};
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class fhandler_socket: public fhandler_base
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{
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private:
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int addr_family;
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int type;
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int connect_secret [4];
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HANDLE secret_event;
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HANDLE sec_pipe;
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pid_t sec_pid;
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__uid32_t sec_uid;
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__gid32_t sec_gid;
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pid_t sec_peer_pid;
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__uid32_t sec_peer_uid;
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__gid32_t sec_peer_gid;
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char *eid_pipe_name (char *buf);
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public:
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void set_socketpair_eids (void);
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private:
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struct _WSAPROTOCOL_INFOA *prot_info_ptr;
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char *sun_path;
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struct status_flags
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{
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unsigned async_io : 1; /* async I/O */
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unsigned saw_shutdown_read : 1; /* Socket saw a SHUT_RD */
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unsigned saw_shutdown_write : 1; /* Socket saw a SHUT_WR */
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unsigned closed : 1;
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unsigned owner : 1;
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unsigned connect_state : 2;
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public:
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status_flags () :
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async_io (0), saw_shutdown_read (0), saw_shutdown_write (0),
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closed (0), owner (0), connect_state (unconnected)
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{}
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} status;
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bool prepare (HANDLE &event, long event_mask);
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int wait (HANDLE event, int flags);
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void release (HANDLE event);
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public:
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fhandler_socket ();
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~fhandler_socket ();
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int get_socket () { return (int) get_handle(); }
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fhandler_socket *is_socket () { return this; }
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IMPLEMENT_STATUS_FLAG (bool, async_io)
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IMPLEMENT_STATUS_FLAG (bool, saw_shutdown_read)
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IMPLEMENT_STATUS_FLAG (bool, saw_shutdown_write)
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IMPLEMENT_STATUS_FLAG (bool, closed)
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IMPLEMENT_STATUS_FLAG (bool, owner)
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IMPLEMENT_STATUS_FLAG (conn_state, connect_state)
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int bind (const struct sockaddr *name, int namelen);
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int connect (const struct sockaddr *name, int namelen);
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int listen (int backlog);
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int accept (struct sockaddr *peer, int *len);
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int getsockname (struct sockaddr *name, int *namelen);
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int getpeername (struct sockaddr *name, int *namelen);
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int getpeereid (pid_t *pid, __uid32_t *euid, __gid32_t *egid);
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int open (int flags, mode_t mode = 0);
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ssize_t readv (const struct iovec *, int iovcnt, ssize_t tot = -1);
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int recvfrom (void *ptr, size_t len, int flags,
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struct sockaddr *from, int *fromlen);
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int recvmsg (struct msghdr *msg, int flags, ssize_t tot = -1);
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ssize_t writev (const struct iovec *, int iovcnt, ssize_t tot = -1);
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int sendto (const void *ptr, size_t len, int flags,
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const struct sockaddr *to, int tolen);
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int sendmsg (const struct msghdr *msg, int flags, ssize_t tot = -1);
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int ioctl (unsigned int cmd, void *);
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int fcntl (int cmd, void *);
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_off64_t lseek (_off64_t, int) { return 0; }
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int shutdown (int how);
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int close ();
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void hclose (HANDLE) {close ();}
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int dup (fhandler_base *child);
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void set_close_on_exec (bool val);
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virtual void fixup_before_fork_exec (DWORD);
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void fixup_after_fork (HANDLE);
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void fixup_after_exec ();
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bool need_fixup_before () const {return true;}
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char *get_proc_fd_name (char *buf);
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select_record *select_read (select_record *s);
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select_record *select_write (select_record *s);
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select_record *select_except (select_record *s);
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void set_addr_family (int af) {addr_family = af;}
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int get_addr_family () {return addr_family;}
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void set_socket_type (int st) { type = st;}
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int get_socket_type () {return type;}
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void set_sun_path (const char *path);
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char *get_sun_path () {return sun_path;}
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void set_connect_secret ();
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void get_connect_secret (char*);
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HANDLE create_secret_event (int *secret = NULL);
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int check_peer_secret_event (struct sockaddr_in *peer, int *secret = NULL);
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void signal_secret_event ();
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void close_secret_event ();
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int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
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int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
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int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
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int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
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int __stdcall link (const char *) __attribute__ ((regparm (2)));
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int __stdcall utimes (const struct timeval *) __attribute__ ((regparm (2)));
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
class fhandler_pipe: public fhandler_base
|
|
{
|
|
protected:
|
|
HANDLE guard;
|
|
bool broken_pipe;
|
|
HANDLE writepipe_exists;
|
|
DWORD orig_pid;
|
|
unsigned id;
|
|
public:
|
|
fhandler_pipe ();
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
char *get_proc_fd_name (char *buf);
|
|
void set_close_on_exec (bool val);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int open (int flags, mode_t mode = 0);
|
|
int close ();
|
|
void create_guard (SECURITY_ATTRIBUTES *sa) {guard = CreateMutex (sa, FALSE, NULL);}
|
|
int dup (fhandler_base *child);
|
|
int ioctl (unsigned int cmd, void *);
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec ();
|
|
bool hit_eof ();
|
|
void set_eof () {broken_pipe = true;}
|
|
HANDLE get_guard () const {return guard;}
|
|
int ready_for_read (int fd, DWORD howlong);
|
|
static int create (fhandler_pipe *[2], unsigned, int, bool = false);
|
|
bool is_slow () {return 1;}
|
|
friend class fhandler_fifo;
|
|
};
|
|
|
|
class fhandler_fifo: public fhandler_pipe
|
|
{
|
|
HANDLE output_handle;
|
|
HANDLE owner; // You can't have too many mutexes, now, can you?
|
|
long read_use;
|
|
long write_use;
|
|
virtual HANDLE& get_io_handle () { return io_handle ?: output_handle; }
|
|
public:
|
|
fhandler_fifo ();
|
|
int open (int flags, mode_t mode = 0);
|
|
int open_not_mine (int flags) __attribute__ ((regparm (2)));
|
|
int close ();
|
|
void set_use (int flags) __attribute__ ((regparm (2)));
|
|
bool isfifo () { return true; }
|
|
HANDLE& get_output_handle () { return output_handle; }
|
|
void set_output_handle (HANDLE h) { output_handle = h; }
|
|
void set_use ();
|
|
int dup (fhandler_base *child);
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
class fhandler_dev_raw: public fhandler_base
|
|
{
|
|
protected:
|
|
char *devbuf;
|
|
size_t devbufsiz;
|
|
size_t devbufstart;
|
|
size_t devbufend;
|
|
struct status_flags
|
|
{
|
|
unsigned eom_detected : 1;
|
|
unsigned eof_detected : 1;
|
|
unsigned lastblk_to_read : 1;
|
|
public:
|
|
status_flags () :
|
|
eom_detected (0), eof_detected (0), lastblk_to_read (0)
|
|
{}
|
|
} status;
|
|
|
|
IMPLEMENT_STATUS_FLAG (bool, eom_detected)
|
|
IMPLEMENT_STATUS_FLAG (bool, eof_detected)
|
|
IMPLEMENT_STATUS_FLAG (bool, lastblk_to_read)
|
|
|
|
virtual BOOL write_file (const void *buf, DWORD to_write,
|
|
DWORD *written, int *err);
|
|
virtual BOOL read_file (void *buf, DWORD to_read, DWORD *read, int *err);
|
|
|
|
/* returns not null, if `win_error' determines an end of media condition */
|
|
virtual int is_eom(int win_error);
|
|
/* returns not null, if `win_error' determines an end of file condition */
|
|
virtual int is_eof(int win_error);
|
|
|
|
fhandler_dev_raw ();
|
|
|
|
public:
|
|
~fhandler_dev_raw (void);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int close (void);
|
|
|
|
void raw_read (void *ptr, size_t& ulen);
|
|
int raw_write (const void *ptr, size_t ulen);
|
|
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
|
|
int dup (fhandler_base *child);
|
|
|
|
int ioctl (unsigned int cmd, void *buf);
|
|
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec ();
|
|
};
|
|
|
|
class fhandler_dev_floppy: public fhandler_dev_raw
|
|
{
|
|
protected:
|
|
virtual int is_eom (int win_error);
|
|
virtual int is_eof (int win_error);
|
|
|
|
public:
|
|
fhandler_dev_floppy ();
|
|
|
|
virtual int open (int flags, mode_t mode = 0);
|
|
|
|
virtual _off64_t lseek (_off64_t offset, int whence);
|
|
|
|
virtual int ioctl (unsigned int cmd, void *buf);
|
|
};
|
|
|
|
class fhandler_dev_tape: public fhandler_dev_raw
|
|
{
|
|
HANDLE mt_mtx;
|
|
HANDLE mt_evt;
|
|
|
|
bool is_rewind_device () { return get_minor () < 128; }
|
|
unsigned int driveno () { return (unsigned int) get_minor () & 0x7f; }
|
|
void drive_init (void);
|
|
|
|
inline bool _lock ();
|
|
inline int unlock (int ret = 0);
|
|
|
|
public:
|
|
fhandler_dev_tape ();
|
|
|
|
virtual int open (int flags, mode_t mode = 0);
|
|
virtual int close (void);
|
|
|
|
void raw_read (void *ptr, size_t& ulen);
|
|
int raw_write (const void *ptr, size_t ulen);
|
|
|
|
virtual _off64_t lseek (_off64_t offset, int whence);
|
|
|
|
virtual int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
|
|
virtual int dup (fhandler_base *child);
|
|
virtual int ioctl (unsigned int cmd, void *buf);
|
|
};
|
|
|
|
/* Standard disk file */
|
|
|
|
class fhandler_disk_file: public fhandler_base
|
|
{
|
|
void touch_ctime (void);
|
|
|
|
public:
|
|
fhandler_disk_file ();
|
|
fhandler_disk_file (path_conv &pc);
|
|
|
|
int open (int flags, mode_t mode);
|
|
int close ();
|
|
int lock (int, struct __flock64 *);
|
|
bool isdevice () { return false; }
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
|
|
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
|
|
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
|
|
int __stdcall ftruncate (_off64_t) __attribute__ ((regparm (2)));
|
|
int __stdcall link (const char *) __attribute__ ((regparm (2)));
|
|
int __stdcall utimes (const struct timeval *) __attribute__ ((regparm (2)));
|
|
|
|
HANDLE mmap (caddr_t *addr, size_t len, DWORD access, int flags, _off64_t off);
|
|
int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
bool fixup_mmap_after_fork (HANDLE h, DWORD access, int flags,
|
|
_off64_t offset, DWORD size, void *address);
|
|
DIR *opendir ();
|
|
struct dirent *readdir (DIR *);
|
|
_off64_t telldir (DIR *);
|
|
void seekdir (DIR *, _off64_t);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
};
|
|
|
|
class fhandler_cygdrive: public fhandler_disk_file
|
|
{
|
|
int ndrives;
|
|
const char *pdrive;
|
|
void set_drives ();
|
|
public:
|
|
bool iscygdrive_root () { return !dev ().minor; }
|
|
fhandler_cygdrive ();
|
|
DIR *opendir ();
|
|
struct dirent *readdir (DIR *);
|
|
_off64_t telldir (DIR *);
|
|
void seekdir (DIR *, _off64_t);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
};
|
|
|
|
class fhandler_serial: public fhandler_base
|
|
{
|
|
private:
|
|
size_t vmin_; /* from termios */
|
|
unsigned int vtime_; /* from termios */
|
|
pid_t pgrp_;
|
|
int rts; /* for Windows 9x purposes only */
|
|
int dtr; /* for Windows 9x purposes only */
|
|
|
|
public:
|
|
int overlapped_armed;
|
|
OVERLAPPED io_status;
|
|
DWORD ev;
|
|
|
|
/* Constructor */
|
|
fhandler_serial ();
|
|
|
|
int open (int flags, mode_t mode);
|
|
int close ();
|
|
void init (HANDLE h, DWORD a, mode_t flags);
|
|
void overlapped_setup ();
|
|
int dup (fhandler_base *child);
|
|
void raw_read (void *ptr, size_t& ulen);
|
|
int raw_write (const void *ptr, size_t ulen);
|
|
int tcsendbreak (int);
|
|
int tcdrain ();
|
|
int tcflow (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
int tcflush (int);
|
|
void dump ();
|
|
int is_tty () { return 1; }
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec ();
|
|
|
|
/* We maintain a pgrp so that tcsetpgrp and tcgetpgrp work, but we
|
|
don't use it for permissions checking. fhandler_tty_slave does
|
|
permission checking on pgrps. */
|
|
virtual int tcgetpgrp () { return pgrp_; }
|
|
virtual int tcsetpgrp (const pid_t pid) { pgrp_ = pid; return 0; }
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
#define acquire_output_mutex(ms) \
|
|
__acquire_output_mutex (__PRETTY_FUNCTION__, __LINE__, ms);
|
|
|
|
#define release_output_mutex() \
|
|
__release_output_mutex (__PRETTY_FUNCTION__, __LINE__);
|
|
|
|
class tty;
|
|
class tty_min;
|
|
class fhandler_termios: public fhandler_base
|
|
{
|
|
protected:
|
|
HANDLE output_handle;
|
|
virtual void doecho (const void *, DWORD) {};
|
|
virtual int accept_input () {return 1;};
|
|
public:
|
|
tty_min *tc;
|
|
fhandler_termios () :
|
|
fhandler_base ()
|
|
{
|
|
need_fork_fixup (true);
|
|
}
|
|
HANDLE& get_output_handle () { return output_handle; }
|
|
line_edit_status line_edit (const char *rptr, int nread, termios&);
|
|
void set_output_handle (HANDLE h) { output_handle = h; }
|
|
void tcinit (tty_min *this_tc, bool force = false);
|
|
virtual int is_tty () { return 1; }
|
|
int tcgetpgrp ();
|
|
int tcsetpgrp (int pid);
|
|
bg_check_types bg_check (int sig);
|
|
virtual DWORD __acquire_output_mutex (const char *fn, int ln, DWORD ms) {return 1;}
|
|
virtual void __release_output_mutex (const char *fn, int ln) {}
|
|
void fixup_after_fork (HANDLE);
|
|
void fixup_after_exec () { fixup_after_fork (NULL); }
|
|
void echo_erase (int force = 0);
|
|
virtual _off64_t lseek (_off64_t, int);
|
|
};
|
|
|
|
enum ansi_intensity
|
|
{
|
|
INTENSITY_INVISIBLE,
|
|
INTENSITY_DIM,
|
|
INTENSITY_NORMAL,
|
|
INTENSITY_BOLD
|
|
};
|
|
|
|
#define normal 0
|
|
#define gotesc 1
|
|
#define gotsquare 2
|
|
#define gotarg1 3
|
|
#define gotrsquare 4
|
|
#define gotcommand 5
|
|
#define gettitle 6
|
|
#define eattitle 7
|
|
#define MAXARGS 10
|
|
|
|
class dev_console
|
|
{
|
|
WORD default_color, underline_color, dim_color;
|
|
|
|
/* Used to determine if an input keystroke should be modified with META. */
|
|
int meta_mask;
|
|
|
|
/* Output state */
|
|
int state_;
|
|
int args_[MAXARGS];
|
|
int nargs_;
|
|
unsigned rarg;
|
|
bool saw_question_mark;
|
|
bool alternate_charset_active;
|
|
|
|
char my_title_buf [TITLESIZE + 1];
|
|
|
|
WORD current_win32_attr;
|
|
ansi_intensity intensity;
|
|
bool underline, blink, reverse;
|
|
WORD fg, bg;
|
|
|
|
/* saved cursor coordinates */
|
|
int savex, savey;
|
|
|
|
/* saved screen */
|
|
COORD savebufsiz;
|
|
PCHAR_INFO savebuf;
|
|
|
|
struct
|
|
{
|
|
short Top, Bottom;
|
|
} scroll_region;
|
|
struct
|
|
{
|
|
SHORT winTop;
|
|
SHORT winBottom;
|
|
COORD dwWinSize;
|
|
COORD dwBufferSize;
|
|
COORD dwCursorPosition;
|
|
WORD wAttributes;
|
|
} info;
|
|
|
|
COORD dwLastCursorPosition;
|
|
DWORD dwLastButtonState;
|
|
int nModifiers;
|
|
|
|
bool insert_mode;
|
|
bool use_mouse;
|
|
bool raw_win32_keyboard_mode;
|
|
|
|
bool con_to_str (char *d, const char *s, DWORD sz);
|
|
bool str_to_con (char *d, const char *s, DWORD sz);
|
|
|
|
friend class fhandler_console;
|
|
};
|
|
|
|
/* This is a input and output console handle */
|
|
class fhandler_console: public fhandler_termios
|
|
{
|
|
private:
|
|
static dev_console *dev_state;
|
|
|
|
/* Output calls */
|
|
void set_default_attr ();
|
|
WORD get_win32_attr ();
|
|
|
|
bool fillin_info ();
|
|
void clear_screen (int, int, int, int);
|
|
void scroll_screen (int, int, int, int, int, int);
|
|
void cursor_set (bool, int, int);
|
|
void cursor_get (int *, int *);
|
|
void cursor_rel (int, int);
|
|
const unsigned char *write_normal (unsigned const char*, unsigned const char *);
|
|
void char_command (char);
|
|
bool set_raw_win32_keyboard_mode (bool);
|
|
int output_tcsetattr (int a, const struct termios *t);
|
|
|
|
/* Input calls */
|
|
int igncr_enabled ();
|
|
int input_tcsetattr (int a, const struct termios *t);
|
|
void set_cursor_maybe ();
|
|
|
|
public:
|
|
fhandler_console ();
|
|
|
|
fhandler_console* is_console () { return this; }
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
|
|
int write (const void *ptr, size_t len);
|
|
void doecho (const void *str, DWORD len) { (void) write (str, len); }
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int close ();
|
|
|
|
int tcflush (int);
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
|
|
/* Special dup as we must dup two handles */
|
|
int dup (fhandler_base *child);
|
|
|
|
int ioctl (unsigned int cmd, void *);
|
|
void init (HANDLE, DWORD, mode_t);
|
|
bool mouse_aware () {return dev_state->use_mouse;}
|
|
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
void fixup_after_exec ();
|
|
void set_close_on_exec (bool val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
void set_input_state ();
|
|
void send_winch_maybe ();
|
|
static tty_min *get_tty_stuff (int);
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
class fhandler_tty_common: public fhandler_termios
|
|
{
|
|
public:
|
|
fhandler_tty_common ()
|
|
: fhandler_termios (), output_done_event (NULL),
|
|
ioctl_request_event (NULL), ioctl_done_event (NULL), output_mutex (NULL),
|
|
input_mutex (NULL), input_available_event (NULL), inuse (NULL)
|
|
{
|
|
// nothing to do
|
|
}
|
|
HANDLE output_done_event; // Raised by master when tty's output buffer
|
|
// written. Write status in tty::write_retval.
|
|
HANDLE ioctl_request_event; // Raised by slave to perform ioctl() request.
|
|
// Ioctl() request in tty::cmd/arg.
|
|
HANDLE ioctl_done_event; // Raised by master on ioctl() completion.
|
|
// Ioctl() status in tty::ioctl_retval.
|
|
HANDLE output_mutex, input_mutex;
|
|
HANDLE input_available_event;
|
|
HANDLE inuse; // used to indicate that a tty is in use
|
|
|
|
DWORD __acquire_output_mutex (const char *fn, int ln, DWORD ms);
|
|
void __release_output_mutex (const char *fn, int ln);
|
|
|
|
virtual int dup (fhandler_base *child);
|
|
|
|
tty *get_ttyp () { return (tty *) tc; }
|
|
|
|
int close ();
|
|
void set_close_on_exec (bool val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
class fhandler_tty_slave: public fhandler_tty_common
|
|
{
|
|
public:
|
|
/* Constructor */
|
|
fhandler_tty_slave ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
void init (HANDLE, DWORD, mode_t);
|
|
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
int tcflush (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
int close ();
|
|
int dup (fhandler_base *child);
|
|
void fixup_after_fork (HANDLE parent);
|
|
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
select_record *select_read (select_record *s);
|
|
int cygserver_attach_tty (HANDLE*, HANDLE*);
|
|
int get_unit ();
|
|
virtual char const *ttyname () { return pc.dev.name; }
|
|
};
|
|
|
|
class fhandler_pty_master: public fhandler_tty_common
|
|
{
|
|
int pktmode; // non-zero if pty in a packet mode.
|
|
protected:
|
|
device slave; // device type of slave
|
|
public:
|
|
int need_nl; // Next read should start with \n
|
|
|
|
/* Constructor */
|
|
fhandler_pty_master ();
|
|
|
|
int process_slave_output (char *buf, size_t len, int pktmode_on);
|
|
void doecho (const void *str, DWORD len);
|
|
int accept_input ();
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int close ();
|
|
|
|
int tcsetattr (int a, const struct termios *t);
|
|
int tcgetattr (struct termios *t);
|
|
int tcflush (int);
|
|
int ioctl (unsigned int cmd, void *);
|
|
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
char *ptsname ();
|
|
|
|
void set_close_on_exec (bool val);
|
|
bool hit_eof ();
|
|
int get_unit () const { return slave.minor; }
|
|
};
|
|
|
|
class fhandler_tty_master: public fhandler_pty_master
|
|
{
|
|
public:
|
|
/* Constructor */
|
|
fhandler_console *console; // device handler to perform real i/o.
|
|
|
|
fhandler_tty_master ();
|
|
int init ();
|
|
int init_console ();
|
|
void set_winsize (bool);
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
class fhandler_dev_null: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_null ();
|
|
int open (int, mode_t);
|
|
|
|
void dump ();
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
};
|
|
|
|
class fhandler_dev_zero: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_zero ();
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
|
|
void dump ();
|
|
};
|
|
|
|
class fhandler_dev_random: public fhandler_base
|
|
{
|
|
protected:
|
|
HCRYPTPROV crypt_prov;
|
|
long pseudo;
|
|
|
|
bool crypt_gen_random (void *ptr, size_t len);
|
|
int pseudo_write (const void *ptr, size_t len);
|
|
int pseudo_read (void *ptr, size_t len);
|
|
|
|
public:
|
|
fhandler_dev_random ();
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int close (void);
|
|
int dup (fhandler_base *child);
|
|
|
|
void dump ();
|
|
};
|
|
|
|
class fhandler_dev_mem: public fhandler_base
|
|
{
|
|
protected:
|
|
DWORD mem_size;
|
|
_off64_t pos;
|
|
|
|
public:
|
|
fhandler_dev_mem ();
|
|
~fhandler_dev_mem (void);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t ulen);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int close (void);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
int dup (fhandler_base *child);
|
|
|
|
HANDLE mmap (caddr_t *addr, size_t len, DWORD access, int flags, _off64_t off);
|
|
int munmap (HANDLE h, caddr_t addr, size_t len);
|
|
int msync (HANDLE h, caddr_t addr, size_t len, int flags);
|
|
bool fixup_mmap_after_fork (HANDLE h, DWORD access, int flags,
|
|
_off64_t offset, DWORD size, void *address);
|
|
|
|
void dump ();
|
|
} ;
|
|
|
|
class fhandler_dev_clipboard: public fhandler_base
|
|
{
|
|
public:
|
|
fhandler_dev_clipboard ();
|
|
int is_windows (void) { return 1; }
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t offset, int whence);
|
|
int close (void);
|
|
|
|
int dup (fhandler_base *child);
|
|
|
|
void dump ();
|
|
|
|
private:
|
|
_off64_t pos;
|
|
void *membuffer;
|
|
size_t msize;
|
|
bool eof;
|
|
};
|
|
|
|
class fhandler_windows: public fhandler_base
|
|
{
|
|
private:
|
|
HWND hWnd_; // the window whose messages are to be retrieved by read() call
|
|
int method_; // write method (Post or Send)
|
|
public:
|
|
fhandler_windows ();
|
|
int is_windows (void) { return 1; }
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int ioctl (unsigned int cmd, void *);
|
|
_off64_t lseek (_off64_t, int) { return 0; }
|
|
int close (void) { return 0; }
|
|
|
|
void set_close_on_exec (bool val);
|
|
void fixup_after_fork (HANDLE parent);
|
|
select_record *select_read (select_record *s);
|
|
select_record *select_write (select_record *s);
|
|
select_record *select_except (select_record *s);
|
|
bool is_slow () {return 1;}
|
|
};
|
|
|
|
class fhandler_dev_dsp: public fhandler_base
|
|
{
|
|
public:
|
|
class Audio;
|
|
class Audio_out;
|
|
class Audio_in;
|
|
private:
|
|
int audioformat_;
|
|
int audiofreq_;
|
|
int audiobits_;
|
|
int audiochannels_;
|
|
Audio_out *audio_out_;
|
|
Audio_in *audio_in_;
|
|
public:
|
|
fhandler_dev_dsp ();
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
int ioctl (unsigned int cmd, void *);
|
|
_off64_t lseek (_off64_t, int);
|
|
int close (void);
|
|
int dup (fhandler_base *child);
|
|
void dump (void);
|
|
void fixup_after_fork (HANDLE parent);
|
|
void fixup_after_exec ();
|
|
private:
|
|
void close_audio_in ();
|
|
void close_audio_out (bool immediately = false);
|
|
};
|
|
|
|
class fhandler_virtual : public fhandler_base
|
|
{
|
|
protected:
|
|
char *filebuf;
|
|
size_t bufalloc;
|
|
_off64_t filesize;
|
|
_off64_t position;
|
|
int fileid; // unique within each class
|
|
public:
|
|
|
|
fhandler_virtual ();
|
|
virtual ~fhandler_virtual();
|
|
|
|
virtual int exists();
|
|
virtual DIR *opendir ();
|
|
_off64_t telldir (DIR *);
|
|
void seekdir (DIR *, _off64_t);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
int write (const void *ptr, size_t len);
|
|
void __stdcall read (void *ptr, size_t& len) __attribute__ ((regparm (3)));
|
|
_off64_t lseek (_off64_t, int);
|
|
int dup (fhandler_base *child);
|
|
int open (int flags, mode_t mode = 0);
|
|
int close (void);
|
|
int __stdcall fstat (struct stat *buf) __attribute__ ((regparm (2)));
|
|
int __stdcall fchmod (mode_t mode) __attribute__ ((regparm (1)));
|
|
int __stdcall fchown (__uid32_t uid, __gid32_t gid) __attribute__ ((regparm (2)));
|
|
int __stdcall facl (int, int, __acl32 *) __attribute__ ((regparm (3)));
|
|
virtual bool fill_filebuf ();
|
|
char *get_filebuf () { return filebuf; }
|
|
void fixup_after_exec ();
|
|
};
|
|
|
|
class fhandler_proc: public fhandler_virtual
|
|
{
|
|
public:
|
|
fhandler_proc ();
|
|
int exists();
|
|
struct dirent *readdir (DIR *);
|
|
static DWORD get_proc_fhandler(const char *path);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
};
|
|
|
|
class fhandler_registry: public fhandler_proc
|
|
{
|
|
private:
|
|
char *value_name;
|
|
public:
|
|
fhandler_registry ();
|
|
int exists();
|
|
struct dirent *readdir (DIR *);
|
|
_off64_t telldir (DIR *);
|
|
void seekdir (DIR *, _off64_t);
|
|
void rewinddir (DIR *);
|
|
int closedir (DIR *);
|
|
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
int close (void);
|
|
};
|
|
|
|
class pinfo;
|
|
class fhandler_process: public fhandler_proc
|
|
{
|
|
pid_t pid;
|
|
public:
|
|
fhandler_process ();
|
|
int exists();
|
|
DIR *opendir ();
|
|
struct dirent *readdir (DIR *);
|
|
int open (int flags, mode_t mode = 0);
|
|
int __stdcall fstat (struct __stat64 *buf) __attribute__ ((regparm (2)));
|
|
bool fill_filebuf ();
|
|
};
|
|
|
|
struct fhandler_nodevice: public fhandler_base
|
|
{
|
|
fhandler_nodevice ();
|
|
int open (int flags, mode_t mode = 0);
|
|
// int __stdcall fstat (struct __stat64 *buf, path_conv *);
|
|
};
|
|
|
|
#define report_tty_counts(fh, call, fhs_op, use_op) \
|
|
termios_printf ("%s %s, %sopen_fhs %d, %susecount %d",\
|
|
fh->ttyname (), call,\
|
|
fhs_op, cygheap->open_fhs,\
|
|
use_op, ((fhandler_tty_slave *) fh)->archetype->usecount);
|
|
|
|
typedef union
|
|
{
|
|
char __base[sizeof (fhandler_base)];
|
|
char __console[sizeof (fhandler_console)];
|
|
char __cygdrive[sizeof (fhandler_cygdrive)];
|
|
char __dev_clipboard[sizeof (fhandler_dev_clipboard)];
|
|
char __dev_dsp[sizeof (fhandler_dev_dsp)];
|
|
char __dev_floppy[sizeof (fhandler_dev_floppy)];
|
|
char __dev_mem[sizeof (fhandler_dev_mem)];
|
|
char __dev_null[sizeof (fhandler_dev_null)];
|
|
char __dev_random[sizeof (fhandler_dev_random)];
|
|
char __dev_raw[sizeof (fhandler_dev_raw)];
|
|
char __dev_tape[sizeof (fhandler_dev_tape)];
|
|
char __dev_zero[sizeof (fhandler_dev_zero)];
|
|
char __disk_file[sizeof (fhandler_disk_file)];
|
|
char __pipe[sizeof (fhandler_pipe)];
|
|
char __proc[sizeof (fhandler_proc)];
|
|
char __process[sizeof (fhandler_process)];
|
|
char __pty_master[sizeof (fhandler_pty_master)];
|
|
char __registry[sizeof (fhandler_registry)];
|
|
char __serial[sizeof (fhandler_serial)];
|
|
char __socket[sizeof (fhandler_socket)];
|
|
char __termios[sizeof (fhandler_termios)];
|
|
char __tty_common[sizeof (fhandler_tty_common)];
|
|
char __tty_master[sizeof (fhandler_tty_master)];
|
|
char __tty_slave[sizeof (fhandler_tty_slave)];
|
|
char __virtual[sizeof (fhandler_virtual)];
|
|
char __windows[sizeof (fhandler_windows)];
|
|
char __nodevice[sizeof (fhandler_nodevice)];
|
|
} fhandler_union;
|
|
|
|
struct select_record
|
|
{
|
|
int fd;
|
|
HANDLE h;
|
|
fhandler_base *fh;
|
|
int thread_errno;
|
|
bool windows_handle;
|
|
bool read_ready, write_ready, except_ready;
|
|
bool read_selected, write_selected, except_selected;
|
|
bool except_on_write;
|
|
int (*startup) (select_record *me, class select_stuff *stuff);
|
|
int (*peek) (select_record *, bool);
|
|
int (*verify) (select_record *me, fd_set *readfds, fd_set *writefds,
|
|
fd_set *exceptfds);
|
|
void (*cleanup) (select_record *me, class select_stuff *stuff);
|
|
struct select_record *next;
|
|
void set_select_errno () {__seterrno (); thread_errno = errno;}
|
|
int saw_error () {return thread_errno;}
|
|
|
|
select_record (fhandler_base *in_fh = NULL) : fd (0), h (NULL),
|
|
fh (in_fh), thread_errno (0), windows_handle (false),
|
|
read_ready (false), write_ready (false), except_ready (false),
|
|
read_selected (false), write_selected (false),
|
|
except_selected (false), except_on_write (false),
|
|
startup (NULL), peek (NULL), verify (NULL), cleanup (NULL),
|
|
next (NULL) {}
|
|
};
|
|
|
|
class select_stuff
|
|
{
|
|
public:
|
|
~select_stuff ();
|
|
bool always_ready, windows_used;
|
|
select_record start;
|
|
void *device_specific_pipe;
|
|
void *device_specific_socket;
|
|
void *device_specific_serial;
|
|
|
|
int test_and_set (int i, fd_set *readfds, fd_set *writefds,
|
|
fd_set *exceptfds);
|
|
int poll (fd_set *readfds, fd_set *writefds, fd_set *exceptfds);
|
|
int wait (fd_set *readfds, fd_set *writefds, fd_set *exceptfds, DWORD ms);
|
|
void cleanup ();
|
|
select_stuff (): always_ready (0), windows_used (0), start (0),
|
|
device_specific_pipe (0),
|
|
device_specific_socket (0),
|
|
device_specific_serial (0) {}
|
|
};
|
|
|
|
int __stdcall set_console_state_for_spawn ();
|
|
|
|
#endif /* _FHANDLER_H_ */
|