* fhandler.cc (check_posix_perm): Moved here from syscalls.cc.
(fhandler_base::fpathconf): New method implementing (f)pathconf. * fhandler.h (class fhandler_base): Declare fpathconf method. * path.cc (path_conv::check): Replace MAX_LINK_DEPTH with SYMLOOP_MAX. * path.h (MAX_LINK_DEPTH): Delete. * syscalls.cc (check_posix_perm): Move to fhandler.cc. (fpathconf): Call fhandler's fpathconf method. (pathconf): Build fhandler and call fhandler's fpathconf method. * sysconf.cc (sysconf): Reorder switch according to order of flags in sys/unistd.h. Add handling for some missing flags. * include/limits.h: Reorder according to SUSv3 description. Add some missing definitions. Add comments. * include/sys/syslimits.h: New file overriding newlib's syslimits.h file.
This commit is contained in:
Corinna Vinschen
parent
b1755fe736
commit
86bc8fadff
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@ -1,3 +1,20 @@
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2006-11-07 Corinna Vinschen <corinna@vinschen.de>
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* fhandler.cc (check_posix_perm): Moved here from syscalls.cc.
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(fhandler_base::fpathconf): New method implementing (f)pathconf.
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* fhandler.h (class fhandler_base): Declare fpathconf method.
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* path.cc (path_conv::check): Replace MAX_LINK_DEPTH with SYMLOOP_MAX.
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* path.h (MAX_LINK_DEPTH): Delete.
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* syscalls.cc (check_posix_perm): Move to fhandler.cc.
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(fpathconf): Call fhandler's fpathconf method.
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(pathconf): Build fhandler and call fhandler's fpathconf method.
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* sysconf.cc (sysconf): Reorder switch according to order of flags
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in sys/unistd.h. Add handling for some missing flags.
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* include/limits.h: Reorder according to SUSv3 description. Add some
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missing definitions. Add comments.
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* include/sys/syslimits.h: New file overriding newlib's syslimits.h
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file.
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2006-11-06 Corinna Vinschen <corinna@vinschen.de>
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* dtable.cc (build_fh_pc): Add missing DEV_SD1_MAJOR case (Thanks to
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@ -1713,3 +1713,99 @@ fhandler_base::fsync ()
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__seterrno ();
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return -1;
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}
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/* Helper function for Cygwin specific pathconf flags _PC_POSIX_PERMISSIONS
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and _PC_POSIX_SECURITY. */
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static int
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check_posix_perm (const char *fname, int v)
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{
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/* Windows 95/98/ME don't support file system security at all. */
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if (!wincap.has_security ())
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return 0;
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/* ntea is ok for supporting permission bits but it doesn't support
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full POSIX security settings. */
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if (v == _PC_POSIX_PERMISSIONS && allow_ntea)
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return 1;
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if (!allow_ntsec)
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return 0;
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char *root = rootdir (fname, (char *)alloca (strlen (fname)));
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if (!allow_smbntsec
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&& ((root[0] == '\\' && root[1] == '\\')
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|| GetDriveType (root) == DRIVE_REMOTE))
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return 0;
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DWORD vsn, len, flags;
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if (!GetVolumeInformation (root, NULL, 0, &vsn, &len, &flags, NULL, 16))
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{
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__seterrno ();
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return 0;
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}
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return (flags & FS_PERSISTENT_ACLS) ? 1 : 0;
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}
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int
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fhandler_base::fpathconf (int v)
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{
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switch (v)
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{
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case _PC_LINK_MAX:
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return pc.fs_is_ntfs () || pc.fs_is_samba () || pc.fs_is_nfs ()
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? LINK_MAX : 1;
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case _PC_MAX_CANON:
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if (is_tty ())
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return MAX_CANON;
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set_errno (EINVAL);
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break;
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case _PC_MAX_INPUT:
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if (is_tty ())
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return MAX_INPUT;
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set_errno (EINVAL);
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break;
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case _PC_NAME_MAX:
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/* NAME_MAX is without trailing \0 */
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return pc.isdir () ? PATH_MAX - strlen (get_name ()) - 2 : NAME_MAX;
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case _PC_PATH_MAX:
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/* PATH_MAX is with trailing \0 */
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return pc.isdir () ? PATH_MAX - strlen (get_name ()) - 1 : PATH_MAX;
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case _PC_PIPE_BUF:
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if (pc.isdir ()
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|| get_device () == FH_FIFO || get_device () == FH_PIPE
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|| get_device () == FH_PIPER || get_device () == FH_PIPEW)
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return PIPE_BUF;
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set_errno (EINVAL);
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break;
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case _PC_CHOWN_RESTRICTED:
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return 1;
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case _PC_NO_TRUNC:
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return 1;
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case _PC_VDISABLE:
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if (!is_tty ())
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set_errno (EINVAL);
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break;
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case _PC_ASYNC_IO:
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case _PC_PRIO_IO:
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case _PC_SYNC_IO:
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break;
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case _PC_FILESIZEBITS:
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return FILESIZEBITS;
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case _PC_2_SYMLINKS:
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return 1;
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case _PC_SYMLINK_MAX:
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break;
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case _PC_POSIX_PERMISSIONS:
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case _PC_POSIX_SECURITY:
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if (get_device () == FH_FS)
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return check_posix_perm (get_win32_name (), v);
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set_errno (EINVAL);
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break;
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default:
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set_errno (EINVAL);
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break;
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}
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return -1;
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}
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@ -296,6 +296,7 @@ class fhandler_base
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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 int dup (fhandler_base *child);
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virtual int fpathconf (int);
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virtual HANDLE mmap (caddr_t *addr, size_t len, int prot,
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int flags, _off64_t off);
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@ -1,6 +1,6 @@
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/* limits.h
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005 Red Hat, Inc.
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Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
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This file is part of Cygwin.
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@ -18,6 +18,9 @@ details. */
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#define _LIMITS_H___
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#define _MACH_MACHLIMITS_H_
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/* Numerical limits */
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/* Number of bits in a `char'. */
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#undef CHAR_BIT
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#define CHAR_BIT 8
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@ -117,27 +120,34 @@ details. */
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#undef ULLONG_MAX
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#define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
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/* Maximum number of iovcnt in a writev (an arbitrary number) */
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#undef IOV_MAX
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#define IOV_MAX 1024
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/* Maximum size of ssize_t */
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#undef SSIZE_MAX
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#define SSIZE_MAX (__LONG_MAX__)
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/* Maximum length of a path */
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#define PATH_MAX 260
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/* Maximum length of a path component. */
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#define NAME_MAX 255
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/* Runtime Invariant Values */
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/* Max num groups for a user, value taken from NT documentation */
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/* Must match <sys/param.h> NGROUPS */
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#define NGROUPS_MAX 16
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/* Maximum number of bytes in arguments and environment passed in an exec
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call. 32000 is the safe value used for Windows processes when called
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from Cygwin processes. */
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#undef ARG_MAX
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#define ARG_MAX 32000
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/* WaitForMultipleObjects can't handle waiting for more than 64 objects.
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This limits how many children we can fork/spawn off. */
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#define CHILD_MAX 63
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/* Maximum number of simultaneous processes per real user ID. */
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#undef CHILD_MAX
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#define CHILD_MAX 256
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/* Maximum length of a host name. */
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#undef HOST_NAME_MAX
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#define HOST_NAME_MAX 255
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/* Maximum number of iovcnt in a writev (an arbitrary number) */
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#undef IOV_MAX
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#define IOV_MAX 1024
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/* Maximum number of characters in a login name. */
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#undef LOGIN_NAME_MAX
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#define LOGIN_NAME_MAX 256 /* equal to UNLEN defined in w32api/lmcons.h */
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/* # of open files per process. Actually it can be more since Cygwin
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grows the dtable as necessary. We define a reasonable limit here
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@ -146,30 +156,126 @@ details. */
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#undef OPEN_MAX
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#define OPEN_MAX 256
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/* # of bytes in a pipe buf. This is the max # of bytes which can be
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written to a pipe in one atomic operation. */
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#undef PIPE_BUF
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#define PIPE_BUF 4096
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/* Size in bytes of a page. */
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#undef PAGESIZE
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#undef PAGE_SIZE
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#define PAGESIZE 65536
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#define PAGE_SIZE PAGESIZE
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/* Maximum number of realtime signals reserved for application use. */
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/* FIXME: We only support one realtime signal but _POSIX_RTSIG_MAX is 8. */
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#undef RTSIG_MAX
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#define RTSIG_MAX 1
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/* Number of streams that one process can have open at one time. */
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#undef STREAM_MAX
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#define STREAM_MAX 20
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/* Maximum number of nested symbolic links. */
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#undef SYMLOOP_MAX
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#define SYMLOOP_MAX 10
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/* Maximum number of timer expiration overruns. */
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#undef TIMER_MAX
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#define TIMER_MAX 32
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/* Maximum number of characters in a login name. */
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#undef LOGIN_NAME_MAX
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#define LOGIN_NAME_MAX 256 /* equal to UNLEN defined in w32api/lmcons.h */
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/* Maximum number of characters in a tty name. */
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#undef TTY_NAME_MAX
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#define TTY_NAME_MAX 12
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/* Pathname Variable Values */
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/* Minimum bits needed to represent the maximum size of a regular file. */
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#undef FILESIZEBITS
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#define FILESIZEBITS 64
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/* Maximum number of hardlinks to a file. */
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#undef LINK_MAX
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#define LINK_MAX 1024
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/* Maximum number of bytes in a terminal canonical input line. */
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#undef MAX_CANON
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#define MAX_CANON 255
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/* Minimum number of bytes available in a terminal input queue. */
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#undef MAX_INPUT
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#define MAX_INPUT 255
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/* Maximum length of a path component. */
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#undef NAME_MAX
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#define NAME_MAX 255
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/* Maximum length of a path */
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#undef PATH_MAX
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#define PATH_MAX 260
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/* # of bytes in a pipe buf. This is the max # of bytes which can be
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written to a pipe in one atomic operation. */
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#undef PIPE_BUF
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#define PIPE_BUF 4096
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/* Runtime Increasable Values */
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/* Maximum obase values allowed by the bc utility. */
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#undef BC_BASE_MAX
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#define BC_BASE_MAX 99
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/* Maximum number of elements permitted in an array by the bc utility. */
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#undef BC_DIM_MAX
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#define BC_DIM_MAX 2048
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/* Maximum scale value allowed by the bc utility. */
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||||
#undef BC_SCALE_MAX
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#define BC_SCALE_MAX 99
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/* Maximum length of a string constant accepted by the bc utility. */
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||||
#undef BC_STRING_MAX
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||||
#define BC_STRING_MAX 1000
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||||
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||||
/* Maximum number of weights that can be assigned to an entry of the
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||||
LC_COLLATE order keyword in the locale definition file. */
|
||||
/* FIXME: We don't support this at all right now, so this value is
|
||||
misleading at best. It's also lower than _POSIX2_COLL_WEIGHTS_MAX
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||||
which is not good. So, for now we deliberately not define it even
|
||||
though it was defined in the former syslimits.h file. */
|
||||
#if 0
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||||
#undef COLL_WEIGHTS_MAX
|
||||
#define COLL_WEIGHTS_MAX 0
|
||||
#endif
|
||||
|
||||
/* Maximum number of expressions that can be nested within parentheses
|
||||
by the expr utility. */
|
||||
#undef EXPR_NEST_MAX
|
||||
#define EXPR_NEST_MAX 32
|
||||
|
||||
/* Maximum bytes of a text utility's input line */
|
||||
#undef LINE_MAX
|
||||
#define LINE_MAX 2048
|
||||
|
||||
/* Max num groups for a user, value taken from NT documentation */
|
||||
/* Must match <sys/param.h> NGROUPS */
|
||||
#undef NGROUPS_MAX
|
||||
#define NGROUPS_MAX 16
|
||||
|
||||
/* Maximum number of repeated occurrences of a regular expression when
|
||||
using the interval notation \{m,n\} */
|
||||
#undef RE_DUP_MAX
|
||||
#define RE_DUP_MAX 255
|
||||
|
||||
|
||||
/* Minimum Values */
|
||||
|
||||
/* POSIX values */
|
||||
/* These should never vary from one system type to another */
|
||||
/* They represent the minimum values that POSIX systems must support.
|
||||
POSIX-conforming apps must not require larger values. */
|
||||
#define _POSIX_ARG_MAX 4096
|
||||
#define _POSIX_CHILD_MAX 6
|
||||
#define _POSIX_HOST_NAME_MAX 255
|
||||
#define _POSIX_LINK_MAX 8
|
||||
#define _POSIX_LOGIN_NAME_MAX 9
|
||||
#define _POSIX_MAX_CANON 255
|
||||
#define _POSIX_MAX_INPUT 255
|
||||
#define _POSIX_NAME_MAX 14
|
||||
|
|
@ -177,16 +283,32 @@ details. */
|
|||
#define _POSIX_OPEN_MAX 16
|
||||
#define _POSIX_PATH_MAX 255
|
||||
#define _POSIX_PIPE_BUF 512
|
||||
#define _POSIX_RE_DUP_MAX 255
|
||||
#define _POSIX_RTSIG_MAX 8
|
||||
#define _POSIX_SSIZE_MAX 32767
|
||||
#define _POSIX_STREAM_MAX 8
|
||||
#define _POSIX_TZNAME_MAX 3
|
||||
#define _POSIX_RTSIG_MAX 8
|
||||
#define _POSIX_SYMLINK_MAX 255
|
||||
#define _POSIX_SYMLOOP_MAX 8
|
||||
#define _POSIX_TIMER_MAX 32
|
||||
#define _POSIX_TTY_NAME_MAX 9
|
||||
#define _POSIX_TZNAME_MAX 3
|
||||
|
||||
#define RTSIG_MAX _POSIX_RTSIG_MAX
|
||||
#define _POSIX2_BC_BASE_MAX 99
|
||||
#define _POSIX2_BC_DIM_MAX 2048
|
||||
#define _POSIX2_BC_SCALE_MAX 99
|
||||
#define _POSIX2_BC_STRING_MAX 1000
|
||||
#if 0 /* See comment about COLL_WEIGHTS_MAX above. */
|
||||
#define _POSIX2_COLL_WEIGHTS_MAX 2
|
||||
#endif
|
||||
#define _POSIX2_EXPR_NEST_MAX 32
|
||||
#define _POSIX2_LINE_MAX 2048
|
||||
#define _POSIX2_RE_DUP_MAX 255
|
||||
|
||||
/* Used for nice and get/setpriority. */
|
||||
|
||||
/* Other Invariant Values */
|
||||
|
||||
/* Default process priority. */
|
||||
#undef NZERO
|
||||
#define NZERO 20
|
||||
|
||||
#endif /* _MACH_MACHLIMITS_H_ */
|
||||
|
|
|
|||
|
|
@ -0,0 +1,20 @@
|
|||
/* sys/syslimits.h
|
||||
|
||||
Copyright 2006 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
This software is a copyrighted work licensed under the terms of the
|
||||
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
||||
details. */
|
||||
|
||||
#ifndef _SYS_SYSLIMITS_H
|
||||
#define _SYS_SYSLIMITS_H
|
||||
|
||||
#ifdef _COMPILING_NEWLIB
|
||||
# include <limits.h>
|
||||
#else
|
||||
# error "Do not include sys/syslimits.h from applications directly."
|
||||
#endif
|
||||
|
||||
#endif /*_SYS_SYSLIMITS_H */
|
||||
|
|
@ -907,7 +907,7 @@ virtual_component_retry:
|
|||
}
|
||||
|
||||
/* Arrive here if above loop detected a symlink. */
|
||||
if (++loop > MAX_LINK_DEPTH)
|
||||
if (++loop > SYMLOOP_MAX)
|
||||
{
|
||||
error = ELOOP; // Eep.
|
||||
return;
|
||||
|
|
|
|||
|
|
@ -272,8 +272,6 @@ class path_conv
|
|||
/* Socket marker */
|
||||
#define SOCKET_COOKIE "!<socket >"
|
||||
|
||||
/* Maximum depth of symlinks (after which ELOOP is issued). */
|
||||
#define MAX_LINK_DEPTH 10
|
||||
int __stdcall slash_unc_prefix_p (const char *path) __attribute__ ((regparm(1)));
|
||||
|
||||
enum fe_types
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/* syscalls.cc: syscalls
|
||||
|
||||
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
|
||||
2005 Red Hat, Inc.
|
||||
2005, 2006 Red Hat, Inc.
|
||||
|
||||
This file is part of Cygwin.
|
||||
|
||||
|
|
@ -1460,38 +1460,6 @@ getsystempagesize ()
|
|||
return (size_t) system_info.dwPageSize;
|
||||
}
|
||||
|
||||
static int
|
||||
check_posix_perm (const char *fname, int v)
|
||||
{
|
||||
/* Windows 95/98/ME don't support file system security at all. */
|
||||
if (!wincap.has_security ())
|
||||
return 0;
|
||||
|
||||
/* ntea is ok for supporting permission bits but it doesn't support
|
||||
full POSIX security settings. */
|
||||
if (v == _PC_POSIX_PERMISSIONS && allow_ntea)
|
||||
return 1;
|
||||
|
||||
if (!allow_ntsec)
|
||||
return 0;
|
||||
|
||||
char *root = rootdir (fname, (char *)alloca (strlen (fname)));
|
||||
|
||||
if (!allow_smbntsec
|
||||
&& ((root[0] == '\\' && root[1] == '\\')
|
||||
|| GetDriveType (root) == DRIVE_REMOTE))
|
||||
return 0;
|
||||
|
||||
DWORD vsn, len, flags;
|
||||
if (!GetVolumeInformation (root, NULL, 0, &vsn, &len, &flags, NULL, 16))
|
||||
{
|
||||
__seterrno ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
return (flags & FS_PERSISTENT_ACLS) ? 1 : 0;
|
||||
}
|
||||
|
||||
/* FIXME: not all values are correct... */
|
||||
extern "C" long int
|
||||
fpathconf (int fd, int v)
|
||||
|
|
@ -1499,50 +1467,14 @@ fpathconf (int fd, int v)
|
|||
cygheap_fdget cfd (fd);
|
||||
if (cfd < 0)
|
||||
return -1;
|
||||
switch (v)
|
||||
{
|
||||
case _PC_LINK_MAX:
|
||||
return _POSIX_LINK_MAX;
|
||||
case _PC_MAX_CANON:
|
||||
case _PC_MAX_INPUT:
|
||||
if (isatty (fd))
|
||||
return _POSIX_MAX_CANON;
|
||||
else
|
||||
{
|
||||
set_errno (EBADF);
|
||||
return -1;
|
||||
}
|
||||
case _PC_NAME_MAX:
|
||||
case _PC_PATH_MAX:
|
||||
return PATH_MAX;
|
||||
case _PC_PIPE_BUF:
|
||||
return PIPE_BUF;
|
||||
case _PC_CHOWN_RESTRICTED:
|
||||
case _PC_NO_TRUNC:
|
||||
return -1;
|
||||
case _PC_VDISABLE:
|
||||
if (cfd->is_tty ())
|
||||
return -1;
|
||||
else
|
||||
{
|
||||
set_errno (EBADF);
|
||||
return -1;
|
||||
}
|
||||
case _PC_POSIX_PERMISSIONS:
|
||||
case _PC_POSIX_SECURITY:
|
||||
if (cfd->get_device () == FH_FS)
|
||||
return check_posix_perm (cfd->get_win32_name (), v);
|
||||
set_errno (EINVAL);
|
||||
return -1;
|
||||
default:
|
||||
set_errno (EINVAL);
|
||||
return -1;
|
||||
}
|
||||
return cfd->fpathconf (v);
|
||||
}
|
||||
|
||||
extern "C" long int
|
||||
pathconf (const char *file, int v)
|
||||
{
|
||||
fhandler_base *fh;
|
||||
|
||||
myfault efault;
|
||||
if (efault.faulted (EFAULT))
|
||||
return -1;
|
||||
|
|
@ -1551,45 +1483,15 @@ pathconf (const char *file, int v)
|
|||
set_errno (ENOENT);
|
||||
return -1;
|
||||
}
|
||||
switch (v)
|
||||
if (!(fh = build_fh_name (file, NULL, PC_SYM_FOLLOW,
|
||||
transparent_exe ? stat_suffixes : NULL)))
|
||||
return -1;
|
||||
if (!fh->exists ())
|
||||
{
|
||||
case _PC_PATH_MAX:
|
||||
return PATH_MAX - strlen (file);
|
||||
case _PC_NAME_MAX:
|
||||
return PATH_MAX;
|
||||
case _PC_LINK_MAX:
|
||||
return _POSIX_LINK_MAX;
|
||||
case _PC_MAX_CANON:
|
||||
case _PC_MAX_INPUT:
|
||||
return _POSIX_MAX_CANON;
|
||||
case _PC_PIPE_BUF:
|
||||
return PIPE_BUF;
|
||||
case _PC_CHOWN_RESTRICTED:
|
||||
case _PC_NO_TRUNC:
|
||||
return -1;
|
||||
case _PC_VDISABLE:
|
||||
return -1;
|
||||
case _PC_POSIX_PERMISSIONS:
|
||||
case _PC_POSIX_SECURITY:
|
||||
{
|
||||
path_conv full_path (file, PC_SYM_FOLLOW,
|
||||
transparent_exe ? stat_suffixes : NULL);
|
||||
if (full_path.error)
|
||||
{
|
||||
set_errno (full_path.error);
|
||||
return -1;
|
||||
}
|
||||
if (full_path.is_auto_device ())
|
||||
{
|
||||
set_errno (EINVAL);
|
||||
return -1;
|
||||
}
|
||||
return check_posix_perm (full_path, v);
|
||||
}
|
||||
default:
|
||||
set_errno (EINVAL);
|
||||
set_errno (ENOENT);
|
||||
return -1;
|
||||
}
|
||||
return fh->fpathconf (v);
|
||||
}
|
||||
|
||||
extern "C" int
|
||||
|
|
|
|||
|
|
@ -30,9 +30,17 @@ sysconf (int in)
|
|||
{
|
||||
switch (in)
|
||||
{
|
||||
/* Keep order as in sys/unistd.h */
|
||||
case _SC_ARG_MAX:
|
||||
/* FIXME: what's the right value? _POSIX_ARG_MAX is only 4K */
|
||||
/* FIXME: what's the right value? _POSIX_ARG_MAX is only 4K.
|
||||
FIXME: Wouldn't it be more correct to return ARG_MAX here? */
|
||||
return 1048576;
|
||||
case _SC_CHILD_MAX:
|
||||
return CHILD_MAX;
|
||||
case _SC_CLK_TCK:
|
||||
return CLOCKS_PER_SEC;
|
||||
case _SC_NGROUPS_MAX:
|
||||
return NGROUPS_MAX;
|
||||
case _SC_OPEN_MAX:
|
||||
{
|
||||
long max = getdtablesize ();
|
||||
|
|
@ -40,31 +48,14 @@ sysconf (int in)
|
|||
max = OPEN_MAX;
|
||||
return max;
|
||||
}
|
||||
case _SC_PAGESIZE:
|
||||
return getpagesize ();
|
||||
case _SC_CLK_TCK:
|
||||
return CLOCKS_PER_SEC;
|
||||
case _SC_JOB_CONTROL:
|
||||
return _POSIX_JOB_CONTROL;
|
||||
case _SC_CHILD_MAX:
|
||||
return CHILD_MAX;
|
||||
case _SC_NGROUPS_MAX:
|
||||
return NGROUPS_MAX;
|
||||
case _SC_SAVED_IDS:
|
||||
return _POSIX_SAVED_IDS;
|
||||
case _SC_LOGIN_NAME_MAX:
|
||||
return LOGIN_NAME_MAX;
|
||||
case _SC_GETPW_R_SIZE_MAX:
|
||||
case _SC_GETGR_R_SIZE_MAX:
|
||||
return 16*1024;
|
||||
case _SC_VERSION:
|
||||
return _POSIX_VERSION;
|
||||
#if 0 /* FIXME -- unimplemented */
|
||||
case _SC_TZNAME_MAX:
|
||||
return _POSIX_TZNAME_MAX;
|
||||
case _SC_STREAM_MAX:
|
||||
return _POSIX_STREAM_MAX;
|
||||
#endif
|
||||
case _SC_PAGESIZE:
|
||||
return getpagesize ();
|
||||
case _SC_NPROCESSORS_CONF:
|
||||
case _SC_NPROCESSORS_ONLN:
|
||||
if (!wincap.supports_smp ())
|
||||
|
|
@ -122,12 +113,20 @@ sysconf (int in)
|
|||
}
|
||||
case _SC_RTSIG_MAX:
|
||||
return RTSIG_MAX;
|
||||
case _SC_TTY_NAME_MAX:
|
||||
return TTY_NAME_MAX;
|
||||
case _SC_TIMER_MAX:
|
||||
return TIMER_MAX;
|
||||
#if 0 /* FIXME -- unimplemented */
|
||||
case _SC_TZNAME_MAX:
|
||||
return _POSIX_TZNAME_MAX;
|
||||
#endif
|
||||
case _SC_MEMLOCK_RANGE:
|
||||
return _POSIX_MEMLOCK_RANGE;
|
||||
case _SC_SEMAPHORES:
|
||||
return _POSIX_SEMAPHORES;
|
||||
return _POSIX_SEMAPHORES;
|
||||
case _SC_TIMERS:
|
||||
return _POSIX_TIMERS;
|
||||
case _SC_TTY_NAME_MAX:
|
||||
return TTY_NAME_MAX;
|
||||
case _SC_THREADS:
|
||||
return _POSIX_THREADS;
|
||||
case _SC_THREAD_ATTR_STACKSIZE:
|
||||
|
|
@ -138,8 +137,13 @@ sysconf (int in)
|
|||
return _POSIX_THREAD_PROCESS_SHARED;
|
||||
case _SC_THREAD_SAFE_FUNCTIONS:
|
||||
return _POSIX_THREAD_SAFE_FUNCTIONS;
|
||||
case _SC_TIMERS:
|
||||
return _POSIX_TIMERS;
|
||||
case _SC_GETPW_R_SIZE_MAX:
|
||||
case _SC_GETGR_R_SIZE_MAX:
|
||||
return 16*1024;
|
||||
case _SC_LOGIN_NAME_MAX:
|
||||
return LOGIN_NAME_MAX;
|
||||
case _SC_STREAM_MAX:
|
||||
return STREAM_MAX;
|
||||
}
|
||||
|
||||
/* Invalid input or unimplemented sysconf name */
|
||||
|
|
|
|||
Loading…
Reference in New Issue