Modularised vg_signals.c as m_signals.c.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3820 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/pub_core_signals.h b/coregrind/pub_core_signals.h
new file mode 100644
index 0000000..ac64054
--- /dev/null
+++ b/coregrind/pub_core_signals.h
@@ -0,0 +1,83 @@
+
+/*--------------------------------------------------------------------*/
+/*--- POSIX signals. pub_core_signals.h ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+ This file is part of Valgrind, a dynamic binary instrumentation
+ framework.
+
+ Copyright (C) 2000-2005 Julian Seward
+ jseward@acm.org
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ This program 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ The GNU General Public License is contained in the file COPYING.
+*/
+
+#ifndef __PUB_CORE_SIGNALS_H
+#define __PUB_CORE_SIGNALS_H
+
+//--------------------------------------------------------------------
+// PURPOSE: This module implements all the signal handling stuff.
+//--------------------------------------------------------------------
+
+/* Highest signal the kernel will let us use */
+extern Int VG_(max_signal);
+
+extern void VG_(sigstartup_actions) ( void );
+
+/* Poll a thread's set of pending signals, and update the Thread's context to deliver one */
+extern void VG_(poll_signals) ( ThreadId );
+
+/* Fake system calls for signal handling. */
+extern Int VG_(do_sys_sigaltstack) ( ThreadId tid, vki_stack_t* ss,
+ vki_stack_t* oss );
+extern Int VG_(do_sys_sigaction) ( Int signo,
+ const struct vki_sigaction *new_act,
+ struct vki_sigaction *old_act );
+extern Int VG_(do_sys_sigprocmask) ( ThreadId tid, Int how,
+ vki_sigset_t* set,
+ vki_sigset_t* oldset );
+
+extern void VG_(clear_out_queued_signals)
+ ( ThreadId tid, /* OUT */ vki_sigset_t* saved_mask );
+
+extern void VG_(kill_self)(Int sigNo);
+
+/* These function synthesize a fault, as if the running instruction
+ had had a fault. These functions do not return - they longjmp back
+ into the scheduler so the signal can be delivered. */
+extern void VG_(synth_fault) (ThreadId tid);
+extern void VG_(synth_fault_mapping)(ThreadId tid, Addr addr);
+extern void VG_(synth_fault_perms) (ThreadId tid, Addr addr);
+extern void VG_(synth_sigill) (ThreadId tid, Addr addr);
+
+/* Extend the stack to cover addr, if possible */
+extern Bool VG_(extend_stack)(Addr addr, UInt maxsize);
+
+/* Returns True if the signal is OK for the client to use */
+extern Bool VG_(client_signal_OK)(Int sigNo);
+
+/* Forces the client's signal handler to SIG_DFL - generally just
+ before using that signal to kill the process. */
+extern void VG_(set_default_handler)(Int sig);
+
+#endif // __PUB_CORE_SIGNALS_H
+
+/*--------------------------------------------------------------------*/
+/*--- end ---*/
+/*--------------------------------------------------------------------*/