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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /nsprpub/pr/tests/ioconthr.c
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'nsprpub/pr/tests/ioconthr.c')
-rw-r--r--nsprpub/pr/tests/ioconthr.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/ioconthr.c b/nsprpub/pr/tests/ioconthr.c
new file mode 100644
index 0000000000..3f5adcd572
--- /dev/null
+++ b/nsprpub/pr/tests/ioconthr.c
@@ -0,0 +1,114 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * This is a test for the io continuation thread machinery
+ * in pthreads.
+ */
+
+#include "nspr.h"
+#include <stdio.h>
+
+int num_threads = 10; /* must be an even number */
+PRThreadScope thread_scope = PR_GLOBAL_THREAD;
+
+void ThreadFunc(void *arg)
+{
+ PRFileDesc *fd = (PRFileDesc *) arg;
+ char buf[1024];
+ PRInt32 nbytes;
+ PRErrorCode err;
+
+ nbytes = PR_Recv(fd, buf, sizeof(buf), 0, PR_SecondsToInterval(20));
+ if (nbytes == -1) {
+ err = PR_GetError();
+ if (err != PR_PENDING_INTERRUPT_ERROR) {
+ fprintf(stderr, "PR_Recv failed: (%d, %d)\n",
+ err, PR_GetOSError());
+ PR_ProcessExit(1);
+ }
+ /*
+ * After getting an I/O interrupt, this thread must
+ * close the fd before it exits due to a limitation
+ * of our NT implementation.
+ */
+ if (PR_Close(fd) == PR_FAILURE) {
+ fprintf(stderr, "PR_Close failed\n");
+ PR_ProcessExit(1);
+ }
+ } else {
+ fprintf(stderr, "PR_Recv received %d bytes!?\n", nbytes);
+ PR_ProcessExit(1);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ PRFileDesc **fds;
+ PRThread **threads;
+ PRIntervalTime start, elapsed;
+ int index;
+
+ fds = (PRFileDesc **) PR_MALLOC(2 * num_threads * sizeof(PRFileDesc *));
+ PR_ASSERT(fds != NULL);
+ threads = (PRThread **) PR_MALLOC(num_threads * sizeof(PRThread *));
+ PR_ASSERT(threads != NULL);
+
+ for (index = 0; index < num_threads; index++) {
+ if (PR_NewTCPSocketPair(&fds[2 * index]) == PR_FAILURE) {
+ fprintf(stderr, "PR_NewTCPSocket failed\n");
+ PR_ProcessExit(1);
+ }
+ threads[index] = PR_CreateThread(
+ PR_USER_THREAD, ThreadFunc, fds[2 * index],
+ PR_PRIORITY_NORMAL, thread_scope, PR_JOINABLE_THREAD, 0);
+ if (NULL == threads[index]) {
+ fprintf(stderr, "PR_CreateThread failed\n");
+ PR_ProcessExit(1);
+ }
+ }
+
+ /* Let the threads block in PR_Recv */
+ PR_Sleep(PR_SecondsToInterval(2));
+
+ printf("Interrupting the threads\n");
+ fflush(stdout);
+ start = PR_IntervalNow();
+ for (index = 0; index < num_threads; index++) {
+ if (PR_Interrupt(threads[index]) == PR_FAILURE) {
+ fprintf(stderr, "PR_Interrupt failed\n");
+ PR_ProcessExit(1);
+ }
+ }
+ for (index = 0; index < num_threads; index++) {
+ if (PR_JoinThread(threads[index]) == PR_FAILURE) {
+ fprintf(stderr, "PR_JoinThread failed\n");
+ PR_ProcessExit(1);
+ }
+ }
+ elapsed = (PRIntervalTime)(PR_IntervalNow() - start);
+ printf("Threads terminated in %d milliseconds\n",
+ PR_IntervalToMilliseconds(elapsed));
+ fflush(stdout);
+
+ /* We are being very generous and allow 10 seconds. */
+ if (elapsed >= PR_SecondsToInterval(10)) {
+ fprintf(stderr, "Interrupting threads took longer than 10 seconds!!\n");
+ PR_ProcessExit(1);
+ }
+
+ for (index = 0; index < num_threads; index++) {
+ /* fds[2 * index] was passed to and closed by threads[index]. */
+ if (PR_Close(fds[2 * index + 1]) == PR_FAILURE) {
+ fprintf(stderr, "PR_Close failed\n");
+ PR_ProcessExit(1);
+ }
+ }
+ PR_DELETE(threads);
+ PR_DELETE(fds);
+ printf("PASS\n");
+ PR_Cleanup();
+ return 0;
+}