2008-03-01 Neal H. Walfield <neal@gnu.org>

	Add signal implementation.
	* Makefile.am (SYSDEP_PATH): Add $(srcdir)/signal.
	(libpthread_a_SOURCES): Add pt-mutex-transfer-np.c, kill.c,
	killpg.c, pt-kill-siginfo-np.c, raise.c, sigaction.c, sigaddset.c,
	sigaltstack.c, sigdelset.c, sigemptyset.c, sigfillset.c,
	sig-internal.c, sig-internal.h, siginterrupt.c, sigismember.c,
	signal.c, signal-dispatch.c, signal.h, sigpending.c,
	sigprocmask.c, sigsuspend.c, sigtimedwait.c, sigwait.c,
	sigwaiter.c, sigwaitinfo.c, signal-dispatch-lowlevel.c, and
	sigprocmask.c.
	* headers.m4: Link libpthread/signal/signal.h into ../include.
	* sysdeps/generic/pt-mutex-transfer-np.c: New file.
        * signal/README: New file.
        * signal/TODO: Likewise.
        * signal/kill.c: Likewise.
        * signal/pt-kill-siginfo-np.c: Likewise.
        * signal/sig-internal.c: Likewise.
        * signal/sig-internal.h: Likewise.
        * signal/sigaction.c: Likewise.
        * signal/sigaltstack.c: Likewise.
        * signal/signal-dispatch.c: Likewise.
        * signal/signal.h: Likewise.
        * signal/sigpending.c: Likewise.
        * signal/sigsuspend.c: Likewise.
        * signal/sigtimedwait.c: Likewise.
        * signal/sigwaiter.c: Likewise.
        * signal/sigwaitinfo.c: Likewise.
	* sysdeps/l4/hurd/sig-sysdep.h: Likewise.
	* sysdeps/l4/hurd/sigprocmask.c: Likewise.
	* sysdeps/generic/killpg.c: Likewise.
	* sysdeps/generic/pt-kill.c: Likewise.
	* sysdeps/generic/raise.c: Likewise.
	* sysdeps/generic/sigaddset.c: Likewise.
	* sysdeps/generic/sigdelset.c: Likewise.
	* sysdeps/generic/sigemptyset.c: Likewise.
	* sysdeps/generic/sigfillset.c: Likewise.
	* sysdeps/generic/siginterrupt.c: Likewise.
	* sysdeps/generic/sigismember.c: Likewise.
	* sysdeps/generic/signal.c: Likewise.
	* sysdeps/generic/sigwait.c: Likewise.
	* sysdeps/l4/hurd/ia32/signal-dispatch-lowlevel.c: Likewise.
	* sysdeps/l4/hurd/pt-sysdep.c (sigprocmask): Remove function.
	* sysdeps/l4/hurd/pt-sigstate.c (__pthread_sigstate): Implement
	it.
	* sysdeps/l4/hurd/pt-sigstate-init.c: Include <sig-internal.h>.
	(__pthread_sigstate_init): Initialize THREAD->SS.
	* sysdeps/l4/hurd/pt-kill.c: Remove file.
	* pthread/pt-internal.h: Include <sig-internal.h>.
	(PTHREAD_SIGNAL_MEMBERS) [! PTHREAD_SIGNAL_MEMBERS]: Define.
	(struct __pthread): Add PTHREAD_SIGNAL_MEMBERS.
	* pthread/pt-self.c (pthread_self): Assert that SELF is not NULL.

1 files changed, 44 insertions, 0 deletions

diff --git a/libpthread/sysdeps/generic/signal.c b/libpthread/sysdeps/generic/signal.c
new file mode 100644
index 0000000..7555d0a
--- /dev/null
+++ b/libpthread/sysdeps/generic/signal.c
@@ -0,0 +1,44 @@
+/* signal.c - Generic signal implementation.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+   Written by Neal H. Walfield <neal@gnu.org>.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd 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 3 of
+   the License, or (at your option) any later version.
+
+   The GNU Hurd 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 this program.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "sig-internal.h"
+
+void (*signal (int sig, void (*handler)(int)))(int)
+{
+  struct sigaction sa;
+
+  sa.sa_handler = handler;
+  sa.sa_flags = SA_RESTART;
+
+  if (sigemptyset (&sa.sa_mask) < 0
+      || sigaddset (&sa.sa_mask, sig) < 0)
+    return SIG_ERR;
+
+  struct sigaction osa;
+  if (sigaction (sig, &sa, &osa) < 0)
+    return SIG_ERR;
+
+  return osa.sa_handler;
+}
+
+void (*bsd_signal (int sig, void (*func)(int)))(int)
+{
+  return signal (sig, func);
+}