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-rw-r--r--linuxthreads/Examples/ex10.c108
1 files changed, 0 insertions, 108 deletions
diff --git a/linuxthreads/Examples/ex10.c b/linuxthreads/Examples/ex10.c
deleted file mode 100644
index f3ad517..0000000
--- a/linuxthreads/Examples/ex10.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* Tests for pthread_mutex_timedlock function.
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
- Contributed by Kaz Kylheku <kaz@ashi.footprints.net>, 2000.
-
- The GNU C Library 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 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <errno.h>
-#include <error.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <pthread.h>
-#include <time.h>
-
-#define NUM_THREADS 10
-#define NUM_ITERS 50
-#define TIMEOUT_NS 100000000L
-
-static void *thread (void *) __attribute__ ((__noreturn__));
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-int
-main (void)
-{
- pthread_t th;
- int i;
-
- for (i = 0; i < NUM_THREADS; i++)
- {
- if (pthread_create (&th, NULL, thread, NULL) != 0)
- error (EXIT_FAILURE, 0, "cannot create thread");
- }
-
- (void) thread (NULL);
- /* notreached */
- return 0;
-}
-
-
-static void *
-thread (void *arg)
-{
- int i;
- pthread_t self = pthread_self ();
- static int linecount; /* protected by flockfile(stdout) */
-
- for (i = 0; i < NUM_ITERS; i++)
- {
- struct timespec ts;
-
- for (;;)
- {
- int err;
-
- clock_gettime (CLOCK_REALTIME, &ts);
-
- ts.tv_nsec += TIMEOUT_NS;
-
- if (ts.tv_nsec >= 1000000000L) {
- ts.tv_sec++;
- ts.tv_nsec -= 1000000000L;
- }
-
- switch ((err = pthread_mutex_timedlock (&mutex, &ts)))
- {
- case 0:
- flockfile (stdout);
- printf ("%04d: thread %lu got mutex\n", ++linecount,
- (unsigned long) self);
- funlockfile (stdout);
- break;
- case ETIMEDOUT:
- flockfile (stdout);
- printf ("%04d: thread %lu timed out on mutex\n", ++linecount,
- (unsigned long) self);
- funlockfile (stdout);
- continue;
- default:
- error (EXIT_FAILURE, err, "pthread_mutex_timedlock failure");
- }
- break;
- }
-
- ts.tv_sec = 0;
- ts.tv_nsec = TIMEOUT_NS;
- nanosleep (&ts, NULL);
-
- flockfile (stdout);
- printf ("%04d: thread %lu releasing mutex\n", ++linecount,
- (unsigned long) self);
- funlockfile (stdout);
- pthread_mutex_unlock (&mutex);
- }
-
- pthread_exit (NULL);
-}