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glibc  2.9
sigaction.c
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00001 /* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 /* This is tricky.  GCC doesn't like #include_next in the primary
00021    source file and even if it did, the first #include_next is this
00022    exact file anyway.  */
00023 #ifndef LIBC_SIGACTION
00024 
00025 # include <bits/libc-lock.h>
00026 
00027 # define LIBC_SIGACTION     1
00028 
00029 # include "sigaction.c"
00030 
00031 # ifndef NOT_IN_libc
00032 #  ifndef SHARED
00033 weak_extern (__pthread_sigaction)
00034 #  endif
00035 
00036 int
00037 __sigaction (sig, act, oact)
00038      int sig;
00039      const struct sigaction *act;
00040      struct sigaction *oact;
00041 {
00042   return __libc_maybe_call2 (pthread_sigaction, (sig, act, oact),
00043                           __libc_sigaction (sig, act, oact));
00044 }
00045 # else
00046 weak_alias (__libc_sigaction, __sigaction)
00047 # endif
00048 libc_hidden_weak (__sigaction)
00049 weak_alias (__sigaction, sigaction)
00050 
00051 #else
00052 
00053 # include_next <sigaction.c>
00054 
00055 #endif /* LIBC_SIGACTION */