diff options
Diffstat (limited to 'nptl/sysdeps/pthread/sigaction.c')
-rw-r--r-- | nptl/sysdeps/pthread/sigaction.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/sigaction.c b/nptl/sysdeps/pthread/sigaction.c new file mode 100644 index 0000000000..4d36150a90 --- /dev/null +++ b/nptl/sysdeps/pthread/sigaction.c @@ -0,0 +1,54 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This is tricky. GCC doesn't like #include_next in the primary + source file and even if it did, the first #include_next is this + exact file anyway. */ +#ifndef LIBC_SIGACTION + +#include <nptl/pthreadP.h> + +/* We use the libc implementation but we tell it to not allow + SIGCANCEL or SIGTIMER to be handled. */ +# define LIBC_SIGACTION 1 + +# include <nptl/sysdeps/pthread/sigaction.c> + +int +__sigaction (sig, act, oact) + int sig; + const struct sigaction *act; + struct sigaction *oact; +{ + if (__builtin_expect (sig == SIGCANCEL || sig == SIGSETXID, 0)) + { + __set_errno (EINVAL); + return -1; + } + + return __libc_sigaction (sig, act, oact); +} +libc_hidden_weak (__sigaction) +weak_alias (__sigaction, sigaction) + +#else + +# include_next <sigaction.c> + +#endif /* LIBC_SIGACTION */ |