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1998-02-15 Ulrich Drepper <drepper@cygnus.com> * nss/nsswitch.c (__nss_lookup): Return 1 if this was the last module. * nss/getXXent_r.c: If no more module is found don't try to call setXXent functions but leave unsuccessfully. * malloc/obstack.h: Cleanups. * sysdeps/wordsize-32/stdint.h: New file. * sysdeps/wordsize-64/stdint.h: New file. * sysdeps/generic/stdint.h: New file. * sysdeps/wordsize-32/inttypes.h: Adopt to use stdint.h. * sysdeps/wordsize-64/inttypes.h: Likewise. * stdlib/Makefile (headers): Add stdint.h. 1998-02-03 Paul Eggert <eggert@twinsun.com> * malloc/obstack.h (PTR_INT_TYPE): Use __PTRDIFF_TYPE__ if available. 1998-02-13 17:59 Zack Weinberg <zack@rabi.phys.columbia.edu> * timezone: New directory. * time/README, time/africa, time/antarctica, time/asia, time/australasia, time/backward, time/checktab.awk, time/etcetera, time/europe, time/factory, time/ialloc.c, time/iso3166.tab, time/leapseconds, time/northamerica, time/pacificnew, time/private.h, time/scheck.c, time/solar87, time/solar88, time/solar89, time/southamerica, time/systemv, time/test-tz.c, time/tzfile.h, time/tzselect.ksh, time/yearistype, time/zdump.c, time/zic.c, time/zone.tab: Moved to timezone. * time/tzfile.c: Include tzfile.h from timezone subdir. * time/tzset.c: Likewise. * time/Makefile: Cut out all code relating to timezones... * timezone/Makefile: ...and paste it in here. * Makefile (subdirs): Add timezone. 1998-02-13 18:45 H.J. Lu <hjl@gnu.org> * libc.map (_sys_nerr): Added. * sysdeps/unix/sysv/linux/errlist.c (_sys_nerr): Make it versioned symbol. 1998-02-15 17:16 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/bits/socket.h: Define PF_KEY and pseudo_AF_KEY instead of pseudo_PF_KEY and AF_KEY. Reported by Craig Metz <cmetz@inner.net>. 1998-01-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * nss/nss_files/files-parse.c (LOOKUP_NAME_CASE): Use __strcasecmp instead of strcasecmp. * nss/nss_files/files-alias.c (get_next_alias): Likewise. * wctype/wctype.h (_ISwbit): Avoid warning with gcc before 2.8. 1998-02-15 16:55 Ulrich Drepper <drepper@cygnus.com> * socket/sys/socket.h (setsockopt): Make OPTVAL parameter const. Patch by Dean Gaudet <dgaudet@arctic.org>. 1998-02-15 16:53 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/Dist: Add getresgid.c and getresuid.c. 1998-02-15 10:49 Zack Weinberg <zack@rabi.phys.columbia.edu> * sysdeps/unix/sysv/linux/poll.c: If compiled against a kernel with no poll syscall, just include the BSD version. * sysdeps/unix/sysv/linux/getresuid.c: If compiled against a kernel without the syscall, include the stub version. * sysdeps/unix/sysv/linux/getresgid.c: Likewise. * sysdeps/generic/getresuid.c: New file. * sysdeps/generic/getresgid.c: New file. 1998-02-15 Ulrich Drepper <drepper@cygnus.com> * stdio-common/vfscanf.c: Correct last change a bit.
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* Poll system call, with emulation if it is not available.
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Copyright (C) 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <sys/poll.h>
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#include <sys/syscall.h>
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#ifdef __NR_poll
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extern int __syscall_poll __P ((struct pollfd *fds, unsigned int nfds,
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int timeout));
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weak_extern (__syscall_poll)
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static int __emulate_poll __P ((struct pollfd *fds, unsigned long int nfds,
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int timeout)) internal_function;
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/* The real implementation. */
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int
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poll (fds, nfds, timeout)
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struct pollfd *fds;
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unsigned long int nfds;
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int timeout;
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{
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static int must_emulate = 0;
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int (*syscall) __P ((struct pollfd *, unsigned int, int)) = __syscall_poll;
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if (!must_emulate)
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{
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if (syscall)
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{
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int errno_saved = errno;
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int retval = __syscall_poll (fds, nfds, timeout);
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if (retval >= 0 || errno != ENOSYS)
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return retval;
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__set_errno (errno_saved);
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}
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must_emulate = 1;
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}
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return __emulate_poll (fds, nfds, timeout);
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}
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/* Get the emulation code. */
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# define poll(fds, nfds, timeout) \
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static internal_function __emulate_poll (fds, nfds, timeout)
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#endif
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#include <sysdeps/unix/bsd/poll.c>
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