summaryrefslogtreecommitdiffstats
path: root/src/libs/xpcom18a4/nsprpub/pr/tests/sema.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/nsprpub/pr/tests/sema.c
parentInitial commit. (diff)
downloadvirtualbox-upstream.tar.xz
virtualbox-upstream.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/nsprpub/pr/tests/sema.c')
-rw-r--r--src/libs/xpcom18a4/nsprpub/pr/tests/sema.c180
1 files changed, 180 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/nsprpub/pr/tests/sema.c b/src/libs/xpcom18a4/nsprpub/pr/tests/sema.c
new file mode 100644
index 00000000..3dff8a00
--- /dev/null
+++ b/src/libs/xpcom18a4/nsprpub/pr/tests/sema.c
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1999-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nspr.h"
+#include "plgetopt.h"
+
+#include <stdio.h>
+
+#define SEM_NAME1 "/tmp/foo.sem"
+#define SEM_NAME2 "/tmp/bar.sem"
+#define SEM_MODE 0666
+#define ITERATIONS 1000
+
+static PRBool debug_mode = PR_FALSE;
+static PRIntn iterations = ITERATIONS;
+static PRIntn counter;
+static PRSem *sem1, *sem2;
+
+/*
+ * Thread 2 waits on semaphore 2 and posts to semaphore 1.
+ */
+void ThreadFunc(void *arg)
+{
+ PRIntn i;
+
+ for (i = 0; i < iterations; i++) {
+ if (PR_WaitSemaphore(sem2) == PR_FAILURE) {
+ fprintf(stderr, "PR_WaitSemaphore failed\n");
+ exit(1);
+ }
+ if (counter == 2*i+1) {
+ if (debug_mode) printf("thread 2: counter = %d\n", counter);
+ } else {
+ fprintf(stderr, "thread 2: counter should be %d but is %d\n",
+ 2*i+1, counter);
+ exit(1);
+ }
+ counter++;
+ if (PR_PostSemaphore(sem1) == PR_FAILURE) {
+ fprintf(stderr, "PR_PostSemaphore failed\n");
+ exit(1);
+ }
+ }
+}
+
+static void Help(void)
+{
+ fprintf(stderr, "sema test program usage:\n");
+ fprintf(stderr, "\t-d debug mode (FALSE)\n");
+ fprintf(stderr, "\t-c <count> loop count (%d)\n", ITERATIONS);
+ fprintf(stderr, "\t-h this message\n");
+} /* Help */
+
+int main(int argc, char **argv)
+{
+ PRThread *thred;
+ PRIntn i;
+ PLOptStatus os;
+ PLOptState *opt = PL_CreateOptState(argc, argv, "dc:h");
+
+ while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
+ if (PL_OPT_BAD == os) continue;
+ switch (opt->option) {
+ case 'd': /* debug mode */
+ debug_mode = PR_TRUE;
+ break;
+ case 'c': /* loop count */
+ iterations = atoi(opt->value);
+ break;
+ case 'h':
+ default:
+ Help();
+ return 2;
+ }
+ }
+ PL_DestroyOptState(opt);
+
+ if (PR_DeleteSemaphore(SEM_NAME1) == PR_SUCCESS) {
+ fprintf(stderr, "warning: removed semaphore %s left over "
+ "from previous run\n", SEM_NAME1);
+ }
+ if (PR_DeleteSemaphore(SEM_NAME2) == PR_SUCCESS) {
+ fprintf(stderr, "warning: removed semaphore %s left over "
+ "from previous run\n", SEM_NAME2);
+ }
+
+ sem1 = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 1);
+ if (NULL == sem1) {
+ fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
+ PR_GetError(), PR_GetOSError());
+ exit(1);
+ }
+ sem2 = PR_OpenSemaphore(SEM_NAME2, PR_SEM_CREATE, SEM_MODE, 0);
+ if (NULL == sem2) {
+ fprintf(stderr, "PR_OpenSemaphore failed\n");
+ exit(1);
+ }
+ thred = PR_CreateThread(PR_USER_THREAD, ThreadFunc, NULL,
+ PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
+ if (NULL == thred) {
+ fprintf(stderr, "PR_CreateThread failed\n");
+ exit(1);
+ }
+
+ /*
+ * Thread 1 waits on semaphore 1 and posts to semaphore 2.
+ */
+ for (i = 0; i < iterations; i++) {
+ if (PR_WaitSemaphore(sem1) == PR_FAILURE) {
+ fprintf(stderr, "PR_WaitSemaphore failed\n");
+ exit(1);
+ }
+ if (counter == 2*i) {
+ if (debug_mode) printf("thread 1: counter = %d\n", counter);
+ } else {
+ fprintf(stderr, "thread 1: counter should be %d but is %d\n",
+ 2*i, counter);
+ exit(1);
+ }
+ counter++;
+ if (PR_PostSemaphore(sem2) == PR_FAILURE) {
+ fprintf(stderr, "PR_PostSemaphore failed\n");
+ exit(1);
+ }
+ }
+
+ if (PR_JoinThread(thred) == PR_FAILURE) {
+ fprintf(stderr, "PR_JoinThread failed\n");
+ exit(1);
+ }
+
+ if (PR_CloseSemaphore(sem1) == PR_FAILURE) {
+ fprintf(stderr, "PR_CloseSemaphore failed\n");
+ }
+ if (PR_CloseSemaphore(sem2) == PR_FAILURE) {
+ fprintf(stderr, "PR_CloseSemaphore failed\n");
+ }
+ if (PR_DeleteSemaphore(SEM_NAME1) == PR_FAILURE) {
+ fprintf(stderr, "PR_DeleteSemaphore failed\n");
+ }
+ if (PR_DeleteSemaphore(SEM_NAME2) == PR_FAILURE) {
+ fprintf(stderr, "PR_DeleteSemaphore failed\n");
+ }
+ printf("PASS\n");
+ return 0;
+}