diff options
| author | Samuel Thibault <samy@hurd.youpi.perso.aquilenet.fr> | 2012-05-20 13:37:32 +0000 |
|---|---|---|
| committer | Samuel Thibault <samy@hurd.youpi.perso.aquilenet.fr> | 2012-05-20 13:37:32 +0000 |
| commit | ca35f7a6e428a95d1ff0aa40d6545820b580df1d (patch) | |
| tree | 27027c7aabca1f4bbe7fb684e4f0f1a7d3b24051 /libpthread/signal/pt-kill-siginfo-np.c | |
| parent | c490cb9d4c1df1adcb2e76679e1969e7fe062560 (diff) | |
| parent | 756a64304b61a94b9b57ae88c4af5654152f5b8e (diff) | |
Merge branch 'upstream-merged'
Diffstat (limited to 'libpthread/signal/pt-kill-siginfo-np.c')
| -rw-r--r-- | libpthread/signal/pt-kill-siginfo-np.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/libpthread/signal/pt-kill-siginfo-np.c b/libpthread/signal/pt-kill-siginfo-np.c deleted file mode 100644 index 9bdf6cc4..00000000 --- a/libpthread/signal/pt-kill-siginfo-np.c +++ /dev/null @@ -1,88 +0,0 @@ -/* pthread-kill-siginfo-np.c - Generic pthread_kill_siginfo_np 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 "pt-internal.h" -#include "sig-internal.h" - -int -pthread_kill_siginfo_np (pthread_t tid, siginfo_t si) -{ - int sig = si.si_signo; - - if (sig < 0 || sig >= NSIG) - return EINVAL; - - if (sig == 0) - return 0; - - struct signal_state *ss = &__pthread_getid (tid)->ss; - - pthread_mutex_lock (&sig_lock); - pthread_mutex_lock (&ss->lock); - - if (ss->sigwaiter && (ss->sigwaiter->signals & sigmask (si.si_signo))) - /* The thread is in a call to sigwait. */ - { - ss->sigwaiter->info = si; - sigwaiter_unblock (ss->sigwaiter); - return 0; - } - - pthread_mutex_unlock (&sig_lock); - - if (ss->actions[sig - 1].sa_handler == (void *) SIG_IGN - || (ss->actions[sig - 1].sa_handler == (void *) SIG_DFL - && default_action (sig) == sig_ignore)) - /* It is unclear (to me) what is supposed to happen when a signal - is generated for a thread, which is blocking that signal and - ignoring it. POSIX does say that when the action associated - with a pending, blocked signal is set to SIG_IGN, the pending - signal is to be cleared. Thus, it makes sense that any signal - set to ignore is discarded at generation. */ - { - pthread_mutex_unlock (&ss->lock); - return 0; - } - - - if ((sigmask (sig) & ss->blocked)) - /* The signal is blocked. Mark it pending. */ - { - ss->pending |= sigmask (sig); - pthread_mutex_unlock (&ss->lock); - return 0; - } - - if (pthread_self () == tid - && (! (ss->actions[si.si_signo - 1].sa_flags & SA_ONSTACK) - || (ss->stack.ss_flags & SS_DISABLE) - || (ss->stack.ss_flags & SS_ONSTACK))) - /* We are sending a signal to ourself and we don't use an - alternate stack. */ - signal_dispatch (ss, &si); - else - signal_dispatch_lowlevel (ss, tid, si); - - /* Don't unlock ss: signal_dispatch and signal_dispatch_lowlevel - assume ownership of the lock. */ - - return 0; -} - |
