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-rw-r--r--linuxthreads/ChangeLog9
-rw-r--r--linuxthreads/Makefile5
-rw-r--r--linuxthreads/internals.h19
-rw-r--r--linuxthreads/sighandler.c69
-rw-r--r--linuxthreads/signals.c79
5 files changed, 112 insertions, 69 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 747e409521..9a58488838 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,12 @@
+2002-05-03  Ulrich Drepper  <drepper@redhat.com>
+
+	* signals.c: Move sighandler functions to...
+	* sighandler.c: ...here.  New file.
+	* signals.c: Move signal handler related type definitions to...
+	* internals.h: ...here.  Add prototypes for signal handlers.
+	* Makefile (libpthread-routines): Add sighandler.
+	(CFLAGS-sighandler.c): Add $(exceptions).
+
 2002-04-30  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/unix/sysv/linux/x86_64/Makefile: New file.
diff --git a/linuxthreads/Makefile b/linuxthreads/Makefile
index 33c041ebc5..41432846c7 100644
--- a/linuxthreads/Makefile
+++ b/linuxthreads/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+# Copyright (C) 1996-2001, 2002 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
@@ -36,7 +36,7 @@ libpthread-routines := attr cancel condvar join manager mutex ptfork \
 		       ptlongjmp pthread signals specific errno lockfile \
 		       semaphore spinlock wrapsyscall rwlock pt-machine \
 		       oldsemaphore events getcpuclockid pspinlock barrier \
-		       ptclock_gettime ptclock_settime
+		       ptclock_gettime ptclock_settime sighandler
 
 nodelete-yes = -Wl,--enable-new-dtags,-z,nodelete
 initfirst-yes = -Wl,--enable-new-dtags,-z,initfirst
@@ -80,6 +80,7 @@ CFLAGS-pthread.c += -D__NO_WEAK_PTHREAD_ALIASES $(znodelete-$(have-z-nodelete))
 CFLAGS-ptfork.c += -D__NO_WEAK_PTHREAD_ALIASES
 CFLAGS-cancel.c += -D__NO_WEAK_PTHREAD_ALIASES -D_RPC_THREAD_SAFE_
 CFLAGS-unload.c += -DPREFIX=\"$(objpfx)\"
+CFLAGS-sighandler.c += $(exceptions)
 
 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
 # This ensures they will load libc.so for needed symbols if loaded by
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index 45a73ad194..39c545c5e1 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -20,8 +20,10 @@
 /* Includes */
 
 #include <limits.h>
+#include <signal.h>
 #include <unistd.h>
 #include <stackinfo.h>
+#include <sigcontextinfo.h>
 
 #include <tls.h>
 #include "descr.h"
@@ -93,6 +95,16 @@ struct pthread_request {
 };
 
 
+
+typedef void (*arch_sighandler_t) (int, SIGCONTEXT);
+union sighandler
+{
+  arch_sighandler_t old;
+  void (*rt) (int, struct siginfo *, struct ucontext *);
+};
+extern union sighandler __sighandler[NSIG];
+
+
 /* Signals used for suspend/restart and for cancellation notification.  */
 
 extern int __pthread_sig_restart;
@@ -367,4 +379,11 @@ extern void __linuxthreads_reap_event (void);
 /* This function is called to initialize the pthread library.  */
 extern void __pthread_initialize (void);
 
+
+/* Sighandler wrappers.  */
+extern void __pthread_sighandler(int signo, SIGCONTEXT ctx);
+extern void __pthread_sighandler_rt(int signo, struct siginfo *si,
+				    struct ucontext *uc);
+extern void __pthread_null_sighandler(int sig);
+
 #endif /* internals.h */
diff --git a/linuxthreads/sighandler.c b/linuxthreads/sighandler.c
new file mode 100644
index 0000000000..ab8b38e539
--- /dev/null
+++ b/linuxthreads/sighandler.c
@@ -0,0 +1,69 @@
+/* Linuxthreads - a simple clone()-based implementation of Posix        */
+/* threads for Linux.                                                   */
+/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr)              */
+/*                                                                      */
+/* This program is free software; you can redistribute it and/or        */
+/* modify it under the terms of the GNU Library 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 Library General Public License for more details.                 */
+
+/* Signal handlers */
+
+#include "internals.h"
+
+
+/* The wrapper around user-provided signal handlers */
+void __pthread_sighandler(int signo, SIGCONTEXT ctx)
+{
+  pthread_descr self;
+  char * in_sighandler;
+  self = thread_self();
+  /* If we're in a sigwait operation, just record the signal received
+     and return without calling the user's handler */
+  if (THREAD_GETMEM(self, p_sigwaiting)) {
+    THREAD_SETMEM(self, p_sigwaiting, 0);
+    THREAD_SETMEM(self, p_signal, signo);
+    return;
+  }
+  /* Record that we're in a signal handler and call the user's
+     handler function */
+  in_sighandler = THREAD_GETMEM(self, p_in_sighandler);
+  if (in_sighandler == NULL)
+    THREAD_SETMEM(self, p_in_sighandler, CURRENT_STACK_FRAME);
+  CALL_SIGHANDLER(__sighandler[signo].old, signo, ctx);
+  if (in_sighandler == NULL)
+    THREAD_SETMEM(self, p_in_sighandler, NULL);
+}
+
+/* The same, this time for real-time signals.  */
+void __pthread_sighandler_rt(int signo, struct siginfo *si,
+			     struct ucontext *uc)
+{
+  pthread_descr self;
+  char * in_sighandler;
+  self =  thread_self();
+  /* If we're in a sigwait operation, just record the signal received
+     and return without calling the user's handler */
+  if (THREAD_GETMEM(self, p_sigwaiting)) {
+    THREAD_SETMEM(self, p_sigwaiting, 0);
+    THREAD_SETMEM(self, p_signal, signo);
+    return;
+  }
+  /* Record that we're in a signal handler and call the user's
+     handler function */
+  in_sighandler = THREAD_GETMEM(self, p_in_sighandler);
+  if (in_sighandler == NULL)
+    THREAD_SETMEM(self, p_in_sighandler, CURRENT_STACK_FRAME);
+  __sighandler[signo].rt(signo, si, uc);
+  if (in_sighandler == NULL)
+    THREAD_SETMEM(self, p_in_sighandler, NULL);
+}
+
+
+/* A signal handler that does nothing */
+void __pthread_null_sighandler(int sig) { }
diff --git a/linuxthreads/signals.c b/linuxthreads/signals.c
index da3ce69a4d..a11f865e73 100644
--- a/linuxthreads/signals.c
+++ b/linuxthreads/signals.c
@@ -20,7 +20,7 @@
 #include "internals.h"
 #include "spinlock.h"
 #include <ucontext.h>
-#include <sigcontextinfo.h>
+
 
 int pthread_sigmask(int how, const sigset_t * newmask, sigset_t * oldmask)
 {
@@ -68,60 +68,8 @@ int pthread_kill(pthread_t thread, int signo)
     return 0;
 }
 
-/* User-provided signal handlers */
-typedef void (*arch_sighandler_t) (int, SIGCONTEXT);
-static union
-{
-  arch_sighandler_t old;
-  void (*rt) (int, struct siginfo *, struct ucontext *);
-} sighandler[NSIG] = { [1 ... NSIG - 1] = { (arch_sighandler_t) SIG_ERR } };
-
-/* The wrapper around user-provided signal handlers */
-static void pthread_sighandler(int signo, SIGCONTEXT ctx)
-{
-  pthread_descr self;
-  char * in_sighandler;
-  self = thread_self();
-  /* If we're in a sigwait operation, just record the signal received
-     and return without calling the user's handler */
-  if (THREAD_GETMEM(self, p_sigwaiting)) {
-    THREAD_SETMEM(self, p_sigwaiting, 0);
-    THREAD_SETMEM(self, p_signal, signo);
-    return;
-  }
-  /* Record that we're in a signal handler and call the user's
-     handler function */
-  in_sighandler = THREAD_GETMEM(self, p_in_sighandler);
-  if (in_sighandler == NULL)
-    THREAD_SETMEM(self, p_in_sighandler, CURRENT_STACK_FRAME);
-  CALL_SIGHANDLER(sighandler[signo].old, signo, ctx);
-  if (in_sighandler == NULL)
-    THREAD_SETMEM(self, p_in_sighandler, NULL);
-}
-
-/* The same, this time for real-time signals.  */
-static void pthread_sighandler_rt(int signo, struct siginfo *si,
-				  struct ucontext *uc)
-{
-  pthread_descr self;
-  char * in_sighandler;
-  self =  thread_self();
-  /* If we're in a sigwait operation, just record the signal received
-     and return without calling the user's handler */
-  if (THREAD_GETMEM(self, p_sigwaiting)) {
-    THREAD_SETMEM(self, p_sigwaiting, 0);
-    THREAD_SETMEM(self, p_signal, signo);
-    return;
-  }
-  /* Record that we're in a signal handler and call the user's
-     handler function */
-  in_sighandler = THREAD_GETMEM(self, p_in_sighandler);
-  if (in_sighandler == NULL)
-    THREAD_SETMEM(self, p_in_sighandler, CURRENT_STACK_FRAME);
-  sighandler[signo].rt(signo, si, uc);
-  if (in_sighandler == NULL)
-    THREAD_SETMEM(self, p_in_sighandler, NULL);
-}
+union sighandler __sighandler[NSIG] =
+  { [1 ... NSIG - 1] = { (arch_sighandler_t) SIG_ERR } };
 
 /* The wrapper around sigaction.  Install our own signal handler
    around the signal. */
@@ -145,9 +93,9 @@ int __sigaction(int sig, const struct sigaction * act,
 	  && sig > 0 && sig < NSIG)
 	{
 	  if (act->sa_flags & SA_SIGINFO)
-	    newact.sa_handler = (__sighandler_t) pthread_sighandler_rt;
+	    newact.sa_handler = (__sighandler_t) __pthread_sighandler_rt;
 	  else
-	    newact.sa_handler = (__sighandler_t) pthread_sighandler;
+	    newact.sa_handler = (__sighandler_t) __pthread_sighandler;
 	}
       newactp = &newact;
     }
@@ -161,20 +109,17 @@ int __sigaction(int sig, const struct sigaction * act,
 	  /* We may have inherited SIG_IGN from the parent, so return the
 	     kernel's idea of the signal handler the first time
 	     through.  */
-	  && (__sighandler_t) sighandler[sig].old != SIG_ERR)
-	oact->sa_handler = (__sighandler_t) sighandler[sig].old;
+	  && (__sighandler_t) __sighandler[sig].old != SIG_ERR)
+	oact->sa_handler = (__sighandler_t) __sighandler[sig].old;
       if (act)
 	/* For the assignment it does not matter whether it's a normal
 	   or real-time signal.  */
-	sighandler[sig].old = (arch_sighandler_t) act->sa_handler;
+	__sighandler[sig].old = (arch_sighandler_t) act->sa_handler;
     }
   return 0;
 }
 strong_alias(__sigaction, sigaction)
 
-/* A signal handler that does nothing */
-static void pthread_null_sighandler(int sig) { }
-
 /* sigwait -- synchronously wait for a signal */
 int sigwait(const sigset_t * set, int * sig)
 {
@@ -198,10 +143,10 @@ int sigwait(const sigset_t * set, int * sig)
         s != __pthread_sig_cancel &&
         s != __pthread_sig_debug) {
       sigdelset(&mask, s);
-      if (sighandler[s].old == (arch_sighandler_t) SIG_ERR ||
-          sighandler[s].old == (arch_sighandler_t) SIG_DFL ||
-          sighandler[s].old == (arch_sighandler_t) SIG_IGN) {
-        sa.sa_handler = pthread_null_sighandler;
+      if (__sighandler[s].old == (arch_sighandler_t) SIG_ERR ||
+          __sighandler[s].old == (arch_sighandler_t) SIG_DFL ||
+          __sighandler[s].old == (arch_sighandler_t) SIG_IGN) {
+        sa.sa_handler = __pthread_null_sighandler;
         sigfillset(&sa.sa_mask);
         sa.sa_flags = 0;
         sigaction(s, &sa, NULL);