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;
+}