From 8eefddd9652fb7477de37a93e1b075d13e6e5bef Mon Sep 17 00:00:00 2001 From: "Neal H. Walfield" Date: Sat, 1 Mar 2008 13:07:25 +0000 Subject: 2008-03-01 Neal H. Walfield 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 . (__pthread_sigstate_init): Initialize THREAD->SS. * sysdeps/l4/hurd/pt-kill.c: Remove file. * pthread/pt-internal.h: Include . (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. --- sysdeps/generic/signal.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 sysdeps/generic/signal.c (limited to 'sysdeps/generic/signal.c') diff --git a/sysdeps/generic/signal.c b/sysdeps/generic/signal.c new file mode 100644 index 0000000..7555d0a --- /dev/null +++ b/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 . + + 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 + . */ + +#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); +} -- cgit v1.2.3