aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/safe-fatal.h
diff options
context:
space:
mode:
authorRoland McGrath <roland@hack.frob.com>2014-07-31 14:00:33 -0700
committerRoland McGrath <roland@hack.frob.com>2014-07-31 14:00:33 -0700
commitf61a113fe0f703c19af20f54d65acfbb203b726a (patch)
tree7b8bdcbe06ce14af164f1dda44dfa14a1764d596 /sysdeps/unix/sysv/linux/safe-fatal.h
parent9fe7e787adc4f41201c441014fbad318eaae6f80 (diff)
downloadglibc-f61a113fe0f703c19af20f54d65acfbb203b726a.tar
glibc-f61a113fe0f703c19af20f54d65acfbb203b726a.tar.gz
glibc-f61a113fe0f703c19af20f54d65acfbb203b726a.tar.bz2
glibc-f61a113fe0f703c19af20f54d65acfbb203b726a.zip
Add __safe_fatal and use it in __pthread_unwind forwarder fallback.
Diffstat (limited to 'sysdeps/unix/sysv/linux/safe-fatal.h')
-rw-r--r--sysdeps/unix/sysv/linux/safe-fatal.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/safe-fatal.h b/sysdeps/unix/sysv/linux/safe-fatal.h
new file mode 100644
index 0000000000..4de4c04d5a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/safe-fatal.h
@@ -0,0 +1,33 @@
+/* Crash the process immediately, without possibility of deadlock. Linux.
+ Copyright (C) 2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SAFE_FATAL_H
+#define _SAFE_FATAL_H 1
+
+#include <sysdep.h>
+#include <unistd.h>
+
+static inline void
+__safe_fatal (void)
+{
+ INTERNAL_SYSCALL_DECL (err);
+ pid_t self = INTERNAL_SYSCALL (getpid, err, 0);
+ INTERNAL_SYSCALL (kill, err, 2, self, SIGKILL);
+}
+
+#endif /* safe-fatal.h */