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-rw-r--r--libpthread/nptl/sysdeps/pthread/sigaction.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/pthread/sigaction.c b/libpthread/nptl/sysdeps/pthread/sigaction.c
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index 000000000..54b5d2de4
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+++ b/libpthread/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 <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 <sigaction.c>
+
+int
+sigaction (int sig, const struct sigaction *act, struct sigaction *oact);
+
+int
+__sigaction (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_proto(sigaction)
+weak_alias (__sigaction, sigaction)
+libc_hidden_weak(sigaction)
+#else
+
+# include_next <sigaction.c>
+
+#endif /* LIBC_SIGACTION */