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authorRoland McGrath <roland@hack.frob.com>2014-07-31 11:37:48 -0700
committerRoland McGrath <roland@hack.frob.com>2014-07-31 11:37:48 -0700
commit23fe486bebc9ce58405853eb70cd87352156c91d (patch)
tree01b16926532cde91d0784e078becf10bba6fb156 /sysdeps/unix/sysv/linux/nptl-signals.h
parentf349489e7e5b5341a9c1a590e9a41c2e07d3bdbb (diff)
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Split nptl-signals.h out from pthreadP.h
Diffstat (limited to 'sysdeps/unix/sysv/linux/nptl-signals.h')
-rw-r--r--sysdeps/unix/sysv/linux/nptl-signals.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/nptl-signals.h b/sysdeps/unix/sysv/linux/nptl-signals.h
new file mode 100644
index 0000000000..aaa9a6a65d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/nptl-signals.h
@@ -0,0 +1,33 @@
+/* Special use of signals in NPTL internals.  Linux version.
+   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/>.  */
+
+/* The signal used for asynchronous cancelation.  */
+#define SIGCANCEL       __SIGRTMIN
+
+
+/* Signal needed for the kernel-supported POSIX timer implementation.
+   We can reuse the cancellation signal since we can distinguish
+   cancellation from timer expirations.  */
+#define SIGTIMER        SIGCANCEL
+
+
+/* Signal used to implement the setuid et.al. functions.  */
+#define SIGSETXID       (__SIGRTMIN + 1)
+
+/* Used to communicate with signal handler.  */
+extern struct xid_command *__xidcmd attribute_hidden;