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-rw-r--r--lib/libc_r/uthread/uthread_suspend_np.c101
1 files changed, 0 insertions, 101 deletions
diff --git a/lib/libc_r/uthread/uthread_suspend_np.c b/lib/libc_r/uthread/uthread_suspend_np.c
deleted file mode 100644
index 5892031..0000000
--- a/lib/libc_r/uthread/uthread_suspend_np.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the author nor the names of any co-contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-#include <errno.h>
-#include <pthread.h>
-#include "pthread_private.h"
-
-static void suspend_common(struct pthread *thread);
-
-__weak_reference(_pthread_suspend_np, pthread_suspend_np);
-__weak_reference(_pthread_suspend_all_np, pthread_suspend_all_np);
-
-/* Suspend a thread: */
-int
-_pthread_suspend_np(pthread_t thread)
-{
- int ret;
-
- /* Suspending the current thread doesn't make sense. */
- if (thread == _get_curthread())
- ret = EDEADLK;
-
- /* Find the thread in the list of active threads: */
- else if ((ret = _find_thread(thread)) == 0) {
- /*
- * Defer signals to protect the scheduling queues from
- * access by the signal handler:
- */
- _thread_kern_sig_defer();
-
- suspend_common(thread);
-
- /*
- * Undefer and handle pending signals, yielding if
- * necessary:
- */
- _thread_kern_sig_undefer();
- }
- return (ret);
-}
-
-void
-_pthread_suspend_all_np(void)
-{
- struct pthread *curthread = _get_curthread();
- struct pthread *thread;
-
- /*
- * Defer signals to protect the scheduling queues from
- * access by the signal handler:
- */
- _thread_kern_sig_defer();
-
- TAILQ_FOREACH(thread, &_thread_list, tle) {
- if (thread != curthread)
- suspend_common(thread);
- }
-
- /*
- * Undefer and handle pending signals, yielding if
- * necessary:
- */
- _thread_kern_sig_undefer();
-}
-
-void
-suspend_common(struct pthread *thread)
-{
- thread->flags |= PTHREAD_FLAGS_SUSPENDED;
- if (thread->flags & PTHREAD_FLAGS_IN_PRIOQ) {
- PTHREAD_PRIOQ_REMOVE(thread);
- PTHREAD_SET_STATE(thread, PS_SUSPENDED);
- }
-}
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