1 /* POSIX.1 `sigaction' call for Linux/i386.
2 Copyright (C) 1991, 1995 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
18 Cambridge, MA 02139, USA. */
26 /* If ACT is not NULL, change the action for SIG to *ACT.
27 If OACT is not NULL, put the old action for SIG in *OACT. */
29 __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
31 struct sigaction newact;
37 newact.sa_restorer = ((act->sa_flags & SA_NOMASK)
38 ? &&restore_nomask : &&restore);
42 asm volatile ("pushl %%ebx\n"
47 : "0" (SYS_ify (sigaction)), "r" (sig), "c" (act), "d" (oact));
62 " addl $_GLOBAL_OFFSET_TABLE_+[.-0b], %%ebx\n"
64 " call __sigsetmask@PLT\n"
69 " call __sigsetmask\n"
80 asm (" addl $4, %%esp\n"
92 weak_alias (__sigaction, sigaction)