From 756a64304b61a94b9b57ae88c4af5654152f5b8e Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sun, 20 May 2012 13:37:08 +0000 Subject: Remove libpthread, now in eglibc --- libpthread/signal/sigwaiter.c | 91 ------------------------------------------- 1 file changed, 91 deletions(-) delete mode 100644 libpthread/signal/sigwaiter.c (limited to 'libpthread/signal/sigwaiter.c') diff --git a/libpthread/signal/sigwaiter.c b/libpthread/signal/sigwaiter.c deleted file mode 100644 index 8d041ac1..00000000 --- a/libpthread/signal/sigwaiter.c +++ /dev/null @@ -1,91 +0,0 @@ -/* sigwaiter.c - Signal handling functions. - 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" - -#include - -struct sigwaiter *sigwaiters; - -siginfo_t -sigwaiter_block (struct signal_state *ss, const sigset_t *restrict set) -{ - assert (pthread_mutex_trylock (&sig_lock) == EBUSY); - assert (pthread_mutex_trylock (&ss->lock) == EBUSY); - - assert (! ss->sigwaiter); - - struct sigwaiter waiter; - - waiter.next = sigwaiters; - if (waiter.next) - { - assert (! waiter.next->prev); - waiter.next->prev = &waiter; - } - waiter.prev = 0; - sigwaiters = &waiter; - - waiter.ss = ss; - waiter.info.si_signo = 0; - waiter.signals = *set; - - ss->sigwaiter = &waiter; - - pthread_mutex_unlock (&ss->lock); - pthread_mutex_unlock (&sig_lock); - - futex_wait (&waiter.info.si_signo, 0); - -#ifndef NDEBUG - pthread_mutex_lock (&ss->lock); - ss->sigwaiter = 0; - pthread_mutex_unlock (&ss->lock); -#endif - - assert (waiter.info.si_signo); - return waiter.info; -} - -void -sigwaiter_unblock (struct sigwaiter *waiter) -{ - assert (pthread_mutex_trylock (&sig_lock) == EBUSY); - assert (pthread_mutex_trylock (&waiter->ss->lock) == EBUSY); - - struct sigwaiter *prev = waiter->prev; - struct sigwaiter *next = waiter->next; - - if (next) - next->prev = prev; - - if (prev) - prev->next = next; - else - sigwaiters = next; - - sigdelset (&process_pending, waiter->info.si_signo); - sigdelset (&waiter->ss->pending, waiter->info.si_signo); - - pthread_mutex_unlock (&waiter->ss->lock); - pthread_mutex_unlock (&sig_lock); - - futex_wake (&waiter->info.si_signo, 1); -} -- cgit v1.2.3