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Diffstat (limited to 'sysdeps/unix/sysv/sysv4/sigaction.c')
-rw-r--r--sysdeps/unix/sysv/sysv4/sigaction.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/sysdeps/unix/sysv/sysv4/sigaction.c b/sysdeps/unix/sysv/sysv4/sigaction.c
deleted file mode 100644
index d5926b3d42..0000000000
--- a/sysdeps/unix/sysv/sysv4/sigaction.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* Copyright (C) 1994,1995,1996,1997,2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- 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. */
-
-#include <errno.h>
-#include <signal.h>
-#include <stddef.h>
-
-static __sighandler_t user_handlers[NSIG];
-
-extern int __context_syscall (int, struct sigcontext *);
-extern int __sigaction_syscall (int,
- const struct sigaction *, struct sigaction *);
-
-static void
-trampoline (int sig, int code, struct sigcontext *context)
-{
- (*(void (*) (int, int, struct sigcontext *)) user_handlers[sig])
- (sig, code, context);
- __context_syscall (1, context);
-}
-
-/* If ACT is not NULL, change the action for SIG to *ACT.
- If OACT is not NULL, put the old action for SIG in *OACT. */
-int
-__sigaction (sig, act, oact)
- int sig;
- const struct sigaction *act;
- struct sigaction *oact;
-{
- struct sigaction myact;
- __sighandler_t ohandler;
-
- if (sig <= 0 || sig >= NSIG)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- ohandler = user_handlers[sig];
-
- if (act != NULL)
- {
- user_handlers[sig] = act->sa_handler;
- if (act->sa_handler != SIG_DFL && act->sa_handler != SIG_IGN)
- {
- myact = *act;
- act = &myact;
- act->sa_handler = (__sighandler_t) trampoline;
- }
- }
-
- if (__sigaction_syscall (sig, act, oact) < 0)
- {
- /* The syscall got an error. Restore the old handler and return -1. */
- user_handlers[sig] = ohandler;
- return -1;
- }
-
- if (oact != NULL && oact->sa_handler == (__sighandler_t) trampoline)
- oact->sa_handler = ohandler;
-
- return 0;
-}
-libc_hidden_def (__sigaction)
-weak_alias (__sigaction, sigaction)