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-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
new file mode 100644
index 000000000..d256ebcb0
--- /dev/null
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
@@ -0,0 +1,52 @@
+/* Copyright (C) 2002, 2003 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. */
+
+#include <errno.h>
+#include <signal.h>
+#include <sysdep.h>
+#include <tls.h>
+#include <bits/kernel-features.h>
+
+
+int
+raise (
+ int sig)
+{
+#if __ASSUME_TGKILL || defined __NR_tgkill
+ /* raise is an async-safe function. It could be called while the
+ fork function temporarily invalidated the PID field. Adjust for
+ that. */
+ pid_t pid = THREAD_GETMEM (THREAD_SELF, pid);
+ if (__builtin_expect (pid < 0, 0))
+ pid = -pid;
+#endif
+
+#if __ASSUME_TGKILL
+ return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
+ sig);
+#else
+# ifdef __NR_tgkill
+ int res = INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
+ sig);
+ if (res != -1 || errno != ENOSYS)
+ return res;
+# endif
+ return INLINE_SYSCALL (tkill, 2, THREAD_GETMEM (THREAD_SELF, tid), sig);
+#endif
+}