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authorUlrich Drepper <drepper@redhat.com>2002-09-18 08:27:02 +0000
committerUlrich Drepper <drepper@redhat.com>2002-09-18 08:27:02 +0000
commitace55c73dd0c94e3cd77f53a046b6128a14a45e1 (patch)
tree910f71d06e0e63519bc4fa23593cc32a8bb350e5 /sysdeps/unix/sysv/linux/sigaction.c
parentb7cb624be9f0a59198e1a5f44cdee0a215440d27 (diff)
downloadglibc-ace55c73dd0c94e3cd77f53a046b6128a14a45e1.tar.gz
Update.
* sysdeps/unix/sysv/linux/sigaction.c: If SIGCANCEL is defined define sigaction and __sigaction as wrappers around __libc_sigaction which rejects changing SIGCANCEL. * sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sigaction.c')
-rw-r--r--sysdeps/unix/sysv/linux/sigaction.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sigaction.c b/sysdeps/unix/sysv/linux/sigaction.c
index c95e3d158c..d8f1d260a7 100644
--- a/sysdeps/unix/sysv/linux/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sigaction.c
@@ -133,6 +133,25 @@ __libc_sigaction (sig, act, oact)
#endif
}
+#ifndef SIGCANCEL
weak_alias (__libc_sigaction, __sigaction)
libc_hidden_weak (__sigaction)
weak_alias (__libc_sigaction, sigaction)
+#else
+int
+__sigaction (sig, act, oact)
+ int sig;
+ const struct sigaction *act;
+ struct sigaction *oact;
+{
+ if (sig == SIGCANCEL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ return __libc_sigaction (sig, act, oact);
+}
+libc_hidden_weak (__sigaction)
+weak_alias (__sigaction, sigaction)
+#endif