Commit Graph

33 Commits

Author SHA1 Message Date
Corinna Vinschen ea1e5318d5 Cygwin: set/getsockopt: Move implementation into fhandler_socket class
This requires to export find_winsock_errno from net.cc.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2018-02-20 18:01:40 +01:00
Corinna Vinschen 044ab77dcc Cygwin: clean error mapping
- Move definition of windows to POSIX error mapping struct into
  cygerrno.h
- Move declaration of winsock errno functions to cygerrno.h
- Input to error mapping functions is DWORD

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2018-02-20 17:59:53 +01:00
Corinna Vinschen 78ade082fe Revert "errno: Stop using _impure_ptr->_errno completely"
This reverts commit 44b1746a41.

Bad idea.  _impure_ptr->_errno is used by newlib

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-07-19 10:28:39 +02:00
Corinna Vinschen 44b1746a41 errno: Stop using _impure_ptr->_errno completely
We use errno AKA _REENT->_errno since the last century and only set
_impure_ptr->_errno for backward compat.  Stop that.  Also, remove
the last check for _impure_ptr->_errno in Cygwin code.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-03-10 20:21:09 +01:00
Corinna Vinschen 6e623e9320 Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option
Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause.

Everything else stays under GPLv3+.

New Linking Exception exempts resulting executables from LGPLv3 section 4.

Add CONTRIBUTORS file to keep track of licensing.

Remove 'Copyright Red Hat Inc' comments.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-06-23 10:09:17 +02:00
Corinna Vinschen fc15ff2f0d * cygerrno.h (seterrno): Define as (always) inline function.
* errno.cc (seterrno): Remove.
2014-08-15 13:50:53 +00:00
Corinna Vinschen 61522196c7 * Merge in cygwin-64bit-branch. 2013-04-23 09:44:36 +00:00
Christopher Faylor 6d34849474 * cygerrno.h (__reg3): Define.
* cygmalloc.h (__reg3): Ditto.
2013-01-21 07:42:02 +00:00
Christopher Faylor a526df1e20 * cygerrno.h: Conditionally define __regN for cygserver. 2013-01-21 07:34:07 +00:00
Christopher Faylor 6e75c72b89 Throughout, change __attribute__ ((regparm (N))) to just __regN. Throughout,
(mainly in fhandler*) start fixing gcc 4.7.2 mismatch between regparm
definitions and declarations.
* gendef: Define some functions to take @ declaration to accommodate _regN
defines which use __stdcall.
* gentls_offsets: Define __regN macros as empty.
* autoload.cc (wsock_init): Remove unneeded regparm attribute.
* winsup.h (__reg1): Define.
(__reg2): Define.
(__reg3): Define.
* advapi32.cc (DuplicateTokenEx): Coerce some initializers to avoid warnings
from gcc 4.7.2.
* exceptions.cc (status_info): Declare struct to use NTSTATUS.
(cygwin_exception::dump_exception): Coerce e->ExceptionCode to NTSTATUS.
* fhandler_clipboard.cc (cygnativeformat): Redefine as UINT to avoid gcc 4.7.2
warnings.
(fhandler_dev_clipboard::read): Ditto.
2013-01-21 04:34:52 +00:00
Corinna Vinschen c136ca2a93 Fix copyrights 2013-01-14 17:16:02 +00:00
Corinna Vinschen 2b814a1937 * cygerrno.h: Fix copyright.
* exceptions.cc: Drop comment explaining removed variable.
2013-01-09 16:25:15 +00:00
Christopher Faylor c3a4634985 Revert the reversion and go with implementation described in cgf-000017, with
some modifications.
* init.cc (dll_entry): Revert previous change.
* miscfuncs.cc: Include sigproc.h for exit_thread declaration.
* winsup.h (ExitThread): Define as 'exit_thread' to ensure no accidental use.
* sigproc.cc (exit_thread): New function.
(wait_sig): Handle __SIGTHREADEXIT case.  Don't just block rather than
returning from this function.
* sigproc.h (__SIGTHREADEXIT): New enum.
(exit_thread): Declare.
* sync.cc (muto::release): Accept a tls command-line argument.
* sync.h (muto::release): Accept a tls command-line parameter.  Default to
&_my_tls.
* cygerrno.h (__set_errno): Define as extern so that no function code is ever
emitted.
* cygserver_ipc.h (cygserver_ipc.h): Ditto.
* miscfuncs.h (transform_chars): Ditto.
* path.h (has_attribute): Ditto.
* security.h (privilege_luid): Ditto.
* winsup.h (flush_file_buffers): Ditto.
2012-12-21 21:30:56 +00:00
Christopher Faylor 23771fa1f7 * cygerrno.h (__set_errno): Modify debugging output to make searching strace
logs easier.  Throughout, change /dev/tty* to /dev/pty*.  Throughout, add flags
argument to fhandler_*::dup methods.
* devices.in: Rename (temporarily?) /dev/ttyN to /dev/ptyN.  Add /dev/ptymN
devices for pty masters.
* devices.cc: Regenerate.
* devices.h (MAX_CONSOLES): Set to max number supported by devices.in.
(fh_devices::FH_PTMX): Rename from FH_PTYM.
(device::operator int): Return by reference.
* dtable.cc (fh_alloc): Take pc as an argument rather than just the device.
This makes debugging easier since more information is available.  Actually
implement handling for already-allocated pty master devices.  Make different
decisions when generating fhandler for not-opened devices.  Add kludge to deal
with opening /dev/tty.
(cnew_no_ctor): New macro.
(build_fh_pc): Make debugging output more verbose.  Use new clone() fhandler
interface to duplicate archetypes.  Reset last term opened.
(dtable::dup_worker): Use Use new clone() fhandler interface to duplicate
archetypes.  Pass flags to child dup handler.
(dtable::dup3): Set O_NOCTTY flag if newfd is not stdin/stdout/stderr.
* fhandler.cc (fhandler_base::reset): Rename from operator =() and reduce
functionality and sense of copy direction.
(fhandler_base::open_with_arch): Use published interface to query io_handle().
Use new copyto() fhandler method to copy from/to found archetype.
* fhandler.h: Throughout, delete size(), add copyout, clone, and fhandler_*
(void *) methods.
(fhandler_base::reset): Rename from operator =().
(fhandler_termios::is_dev_tty): Delete.
(fhandler_termios): change "protected" region to "private".
(fhandler_termios::is_dev_tty): Delete.
(fhandler_termios): Rearrange protected/public.
(fhandler_termios::fhandler_termios): Remember last fhandler_termios "opened".
(fhandler_termios::~fhandler_termios): Forget last fhandler_termios opened.
(ioctl): Rename from ioctl_termios.  Take a void * argument.  Reflect argument
change in pinfo::set_ctty.
(fhandler_console::dup): Declare new function.  Set ctty here if appropriate.
(fhandler_pty_master::from_master): Privatize.
(fhandler_pty_master::to_master): Ditto.
(fhandler_pty_master::dwProcessId): Ditto.
(fhandler_pty_master::fhandler_pty_master): Add an `int' argument.
(fhandler_pty_master::open_setup): Declare new function.
(fhandler_pty_master::~fhandler_pty_master): Declare new method.
(fhandler_nodevice): Remove commented out function declaration.
* fhandler_console.cc: Use get_ttyp() instead of tc() throughout.
(fhandler_console::dup): Define new function to set controlling ctty on dup, as
appropriate.
(fhandler_console::ioctl): Reflect ioctl_termios name change.
(fhandler_console::setup): Rename from get_tty_stuff.
(fhandler_console::open_setup): Reflect argument change in pinfo::set_ctty.
(fhandler_console::fhandler_console): Set _tc here.
* fhandler_termios.cc (handler_termios::ioctl): Rename.  Take a void * arg like
other ioctl functions.
* fhandler_tty.cc (fhandler_pty_slave::dup): Call myself->set_ctty to
potentially reset the controlling terminal.
(fhandler_pty_slave::ioctl): Reflect name/arg change for ioctl_termios.
(fhandler_pty_slave::fhandler_pty_slave): Take a "unit" argument.  Call setup()
here so that we will know the unit number of this fhandler as soon as possible.
Set the unit as appropriate.
(handler_pty_master::open): Move most stuff to constructor and open_setup.
(handler_pty_slave::open_setup): Reflect argument change in pinfo::set_ctty.
(handler_pty_master::open_setup): Define new function.
(fhandler_pty_master::cleanup): Clear handles as a flag that the destructor
does not have to do "close" operations.
(fhandler_pty_master::close): Ditto.
(fhandler_pty_master::~fhandler_pty_master): Define new method.
(fhandler_pty_master::ioctl): Reflect name/arg change for ioctl_termios.
(fhandler_pty_master::setup): Allocate tty here.  Rely on handles being
returned from allocated test rather than opening them here.  Avoid setting
_need_nl here since it is already zeroed in the constructor.  Set up device
information with DEV_TTYM_MAJOR.
* path.h (path_conv &operator =): Take a const argument.
(path_conv::dup): Ditto.
(pathconv_arg::PC_OPEN): New enum.
(pathconv_arg::PC_CTTY): Ditto.
(path_types::PATH_CTTY): Ditto.
(path_types::PATH_OPEN): Ditto.
(path_conv::isopen): New method.
(path_conv::isctty_capable): Ditto.
* path.cc (path_conv::check): Set PATH_OPEN and PATH_CTTY as appropriate.
* pipe.cc (fhandler_pipe::open): Use copyto to copy pipe handle.
* syscall.cc (open): Reinstate fd > 2 check to disallow resetting ctty on
non-std* handles.
* tty.cc (tty_list::allocate): Pass out handles for allocated tty.  use
`not_allocated' to find unallocated ttys.  Avoid keeping the lock since the
allocation of the tty should be sufficient to prevent multiple access.
(tty::not_allocated): Clarify comment.  Rename.  Return handles when an unused
tty is found.  Simply test for existing tty.
(tty::exists): Rewrite to use `not_allocated'.
* tty.h (NTTYS): Reset down to actual number supported by devices.in.
(tty::not_allocated): Declare new function.
(tty_list::allocate): Pass out read/write tty handles.  Zero them when not
found.
* fhandler_proc.cc: Reflect name change from FH_PTYM -> FH_PTMX.
* pinfo.h (pinfo::set_ctty): Reduce/reorder arguments passed in.
* pinfo.cc (pinfo::set_ctty): Ditto.  Just use tc() built into the passed-in
fhandler_termios pointer.  Return true if ctty is assigned.
* syscalls.cc (open): Call build_fh_pc with PC_OPEN flag.  Set PC_CTTY if
appropriate.
(stat_worker): Remove is_dev_tty () stuff.
2011-10-15 22:37:30 +00:00
Corinna Vinschen 86bf572ef0 * cygerrno.h (geterrno_from_nt_status): Declare.
* errno.cc (geterrno_from_nt_status): Define.
	* flock.cc: Fix copyright dates.
	* ntdll.h (enum _TIMER_TYPE): Define.
	(PTIMER_APC_ROUTINE): Define.
	(NtCancelTimer): Declare.
	(NtCreateTimer): Declare.
	(NtSetTimer): Declare.
	* posix_ipc.cc (ipc_cond_timedwait): Rewrite to make interruptible and
	restartable.  Call pthread_testcancel in case of timeout to enable
	pthread_cancel on waiting thread.  Replace WFMO timeout with waiting
	for a waitable timer.  Explain why.  Replace single call to WFMO with
	two calls, one for the event, one for the mutex.  Don't lock mutex in
	case of error.
	(ipc_cond_signal): Make void function.
	(ipc_cond_close): Ditto.
	(_mq_send): Immediately return -1 in case of error from
	ipc_cond_timedwait.
	(_mq_receive): Ditto.
2011-04-28 12:13:41 +00:00
Christopher Faylor 2ac91a1483 * cygerrno.h: Nevermind. 2010-04-20 03:45:27 +00:00
Christopher Faylor e1b57fc2b9 * cygerrno.h: Protect use of NTSTATUS for only when we need it.
* lib/_cygwin_crt0_common.cc: Remove unneeded declarations.
2010-04-20 03:32:37 +00:00
Corinna Vinschen 7cdcd90ca1 * cygerrno.h (seterrno_from_nt_status): Declare.
(__seterrno_from_nt_status): Call seterrno_from_nt_status.
	* errno.cc (seterrno_from_win_error): Set errno without calling
	set_errno to avoid packing strace output with errno messages.
	(seterrno_from_nt_status): New function to print NT status as well as
	resulting Windows error.
2010-04-16 15:42:29 +00:00
Corinna Vinschen c84bbb2d8f * cygerrno.h (save_errno::~save_errno): Set errno directly to avoid
flooding debug output.
2009-06-08 19:44:33 +00:00
Christopher Faylor d9a2276435 * cygerrno.h (geterrno_from_win_error): Change declaration to default to using
GetLastError and EACCESS.
* cygwin.din: Export readdir_r.
* include/cygwin/version.h: Bump API version number to 138.
* syscalls.cc (readdir_worker): New function, renamed from old readdir()
function.
(readdir): Use readdir_worker.
(readdir_r): New function.
* fhandler.h (fhandler_base::readdir): Accommodate second argument indicating
dirent buffer.
(fhandler_disk_file::readdir): Ditto.
(fhandler_cygdrive::readdir): Ditto.
(fhandler_proc::readdir): Ditto.
(fhandler_netdrive::readdir): Ditto.
(fhandler_registry::readdir): Ditto.
(fhandler_process::readdir): Ditto.
* fhandler.cc (fhandler_base::readdir): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::readdir): Ditto.
* fhandler_cygdrive.cc (fhandler_cygdrive::readdir): Ditto.
* fhandler_proc.cc (fhandler_proc::readdir): Ditto.
* fhandler_netdrive.cc (fhandler_netdrive::readdir): Ditto.
* fhandler_registry.cc (fhandler_registry::readdir): Ditto.
* fhandler_process.cc (fhandler_process::readdir): Ditto.
2005-08-20 06:19:55 +00:00
Christopher Faylor 5b3e1f7358 * cygerrno.h: Make multi-inclusion safe.
* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Deal with EINTR.
* dcrt0.cc (dll_crt0_0): Accommodate init_console_handler argument change.
* winsup.h: Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* exceptions.cc (init_console_handler): Ditto.  Ignore console events if we're
not attached to a terminal.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* wincap.cc: Implement has_null_console_handler_routine throughout.
* wincap.h: Ditto.
2005-06-30 02:52:14 +00:00
Corinna Vinschen 56f235345d * cygerrno.h (__set_errno): Remove useless parentheses. 2005-05-04 11:05:11 +00:00
Corinna Vinschen 5d4750a996 * cygerrno.h (__set_errno): Define as inline function here.
(set_errno): Always define as call to __set_errno.
	* debug.cc (__set_errno): Move to cygerrno.h.
2005-05-04 11:00:22 +00:00
Corinna Vinschen 7460bfd32b * cygerrno.h (__seterrno_from_nt_status): Define. Always set Win32
error code as well as errno. Use throughout where errno is set from
	NT status.
	(set_errno): Evaluate val only once.
	* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Fix typo in
	debug output.
	* fhandler_mem.cc (fhandler_dev_mem::open): Rely on
	__seterrno_from_nt_status setting Win32 error code in debug output.
	* fhandler_proc.cc (format_proc_uptime): Ditto.
	(format_proc_stat): Ditto.
	* fhandler_process.cc (format_process_stat): Ditto.
	* sysconf.cc (sysconf): Ditto.
2005-04-13 16:41:33 +00:00
Corinna Vinschen 8d9bbb5092 * cygerrno.h (set_errno): Replace semicolon with comma in non-DEBUGGING
version to avoid compile time error.
2004-02-02 10:47:29 +00:00
Christopher Faylor 9e1ad59de6 * cygerrno.h (set_errno): Set global errno whenever setting thread specific
version.
* debug.cc (__set_errno): Ditto.
* exceptions.cc (handle_sigsuspend): Remove spurious sig_dispatch_pending call.
(set_signal_mask): When there seem to be pending signals to dispatch, tell
signal_dispatch_pending/sig_send not to specifically call any handlers.
* sigproc.h (sig_dispatch_pending): Change declaration to void.
* sigproc.cc (sig_dispatch_pending): Change definition to void.  Take an
argument to determine whether to tell sig_send to wait for handler to be
called.
* sigproc.cc (sig_send): Don't call signal handler when sig == __SIGFLUSHFAST.
(wait_sig): Honor __SIGFLUSHFAST.  Guard against sigpacket::process nuking
si_signo.
* sigproc.h (__SIGFLUSHFAST): Define new special signal.
(sig_dispatch_pending): Change declaration to void.  Take optional boolean
argument.
* fork.cc (vfork): Add debugging output.
2004-02-01 18:29:12 +00:00
Christopher Faylor c433f4617f Throughout, remove "include <errno.h>" from files which already include
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h.  Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent.  Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL.  Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
2003-06-16 03:24:13 +00:00
Christopher Faylor a05d38a8b4 * debug.cc (set_errno): Return value of errno that was set, just like the
macro.
(setclexec_pid): Replace old handle with new handle.
* debug.h: Reflect change in arguments for setclexec_pid.
* fhandler.cc (fhandler_base::set_inheritance): Ditto.
(fhandler_base::fork_fixup): Ditto.
* cygerrno.h: Reflect return value change for set_errno.
2001-10-22 21:09:41 +00:00
Christopher Faylor 0f4db8cbe0 * cygerrno.h (set_errno): Define more informative version of this function for
debugging.
(__set_errno): Declare when DEBUGGING.
* cygheap.h (cygheap_fdget::cygheap_fdget): Add a flag to control when errno is
set.
* debug.cc (__set_errno): New function.
* fcntl.cc (_fcntl): Fix so that correct fd is used for second argument to
dup2.
* syscalls.cc (_cygwin_istext_for_stdio): Don't set errno here when using
cygheap_fdget.
2001-10-16 03:31:50 +00:00
Corinna Vinschen c5a4eacc69 * cygerrno.h: Revert previous patch.
* errno.cc: Ditto.
        * dir.cc: Eliminate `dir_suffixes'.
        (opendir): Remove usage of `dir_suffixes'.
        (rmdir): Ditto.
        * fhandler.cc (fhandler_disk_file::open): Remove usage of
        `inner_suffixes'.
        * path.cc: Rename `inner_suffixes' to `lnk_suffixes'.
        (path_conv::check): Remove usage of `inner_suffixes'.
        (symlink): Ditto.
        (symlink_info::check): Handle checking for `.lnk' in path_conv
        exclusively here.
        (chdir): Remove usage of `dir_suffixes'.
        * shortcut.c: Eliminate debug_printf lines.
        (check_shortcut): Don't set error except on failing ReadFile.
        * spawn.cc: Remove ".lnk" from `std_suffixes'.
        * syscalls.cc (_unlink): Remove usage of `inner_suffixes'.
        Remove ".lnk" from `stat_suffixes'.
        (_rename): Add check for renaming a symlink to keep the ".lnk"
        suffix after renaming.
2001-02-22 14:51:16 +00:00
Corinna Vinschen 79e56091c9 * shortcut.c: New file. Provides a C interface to reading of
Windows shortcuts to avoid compiler flag `-fvtable-thunks'.
        * shortcut.h: Ditto.
        * Makefile.in: Add shortcut.o to DLL_OFILES.
        * cygerrno.h: Provide a C interface to `geterrno_from_win_error' for
        using in shortcut.c.
        * errno.cc (geterrno_from_win_error): Define as extern "C".
        * path.cc (struct symlink_info): Remove methods `check_shortcut' and
        `check_sysfile'.
        (shortcut_header): Move to shortcut.c.
        (shortcut_initalized): Ditto.
        (create_shortcut_header): Ditto.
        (cmp_shortcut_header): Ditto.
        (symlink_info::check_shortcut): Ditto. Reorganize as a plain C function.
        (symlink_info::check_sysfile): Redefine as a global function using the
        same parameter list as `check_shortcut' for clearness.
        (symlink_info::check): Change parameter list for calls to
        `check_shortcut' and `check_sysfile'.
2001-02-22 12:56:36 +00:00
Christopher Faylor 166b2571ce * Makefile.in: Remove some obsolete stuff.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate.  Set
myself->uid from parent version.  Just use ThreadItem Init method.  Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto.  Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1.  Don't suspend execing
process since it is no longer necessary.  Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public.  Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions.  Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
2000-10-16 23:55:58 +00:00
Christopher Faylor 9e2baf8dfa * cygerrno.h: New file. Use this throughout whenever errno manipulation is
required.
* errno.cc: Use DWORD to hold Windows errors.
(geterrno_from_win_error): New function.
(seterrno_from_win_error): Use geterrno_from_win_error to convert supplied
windows error (suggested by Corinna Vinschen).
* path.cc (symlink_info): Add error element.
* path.cc (path_conv::check): Remove errno setting.  Use new symlink_info errno
element to set path_conv error, where appropriate.
(symlink_info::check): Set error element rather than attempting to manipulate
errno.  Add more checks for trailing / and /..  even though they are currently
useless.  Avoid setting EINVAL.
* path.cc (normalize_posix_path): Correct check for trailing /.
2000-08-22 03:58:47 +00:00