1 files changed, 132 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/intrio.c b/nsprpub/pr/tests/intrio.c
new file mode 100644
index 0000000000..23d834d667
--- /dev/null
+++ b/nsprpub/pr/tests/intrio.c
@@ -0,0 +1,132 @@
+/* -*- 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/. */
+
+/*
+ * File:        intrio.c
+ * Purpose:     testing i/o interrupts (see Bugzilla bug #31120)
+ */
+
+#include "nspr.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* for synchronization between the main thread and iothread */
+static PRLock *lock;
+static PRCondVar *cvar;
+static PRBool iothread_ready;
+
+static void PR_CALLBACK AbortIO(void *arg)
+{
+    PRStatus rv;
+    PR_Sleep(PR_SecondsToInterval(2));
+    rv = PR_Interrupt((PRThread*)arg);
+    PR_ASSERT(PR_SUCCESS == rv);
+}  /* AbortIO */
+
+static void PR_CALLBACK IOThread(void *arg)
+{
+    PRFileDesc *sock, *newsock;
+    PRNetAddr addr;
+
+    sock = PR_OpenTCPSocket(PR_AF_INET6);
+    if (sock == NULL) {
+        fprintf(stderr, "PR_OpenTCPSocket failed\n");
+        exit(1);
+    }
+    memset(&addr, 0, sizeof(addr));
+    if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
+        fprintf(stderr, "PR_SetNetAddr failed\n");
+        exit(1);
+    }
+    if (PR_Bind(sock, &addr) == PR_FAILURE) {
+        fprintf(stderr, "PR_Bind failed\n");
+        exit(1);
+    }
+    if (PR_Listen(sock, 5) == PR_FAILURE) {
+        fprintf(stderr, "PR_Listen failed\n");
+        exit(1);
+    }
+    /* tell the main thread that we are ready */
+    PR_Lock(lock);
+    iothread_ready = PR_TRUE;
+    PR_NotifyCondVar(cvar);
+    PR_Unlock(lock);
+    newsock = PR_Accept(sock, NULL, PR_INTERVAL_NO_TIMEOUT);
+    if (newsock != NULL) {
+        fprintf(stderr, "PR_Accept shouldn't have succeeded\n");
+        exit(1);
+    }
+    if (PR_GetError() != PR_PENDING_INTERRUPT_ERROR) {
+        fprintf(stderr, "PR_Accept failed (%d, %d)\n",
+                PR_GetError(), PR_GetOSError());
+        exit(1);
+    }
+    printf("PR_Accept() is interrupted as expected\n");
+    if (PR_Close(sock) == PR_FAILURE) {
+        fprintf(stderr, "PR_Close failed\n");
+        exit(1);
+    }
+}
+
+static void Test(PRThreadScope scope1, PRThreadScope scope2)
+{
+    PRThread *iothread, *abortio;
+
+    printf("A %s thread will be interrupted by a %s thread\n",
+           (scope1 == PR_LOCAL_THREAD ? "local" : "global"),
+           (scope2 == PR_LOCAL_THREAD ? "local" : "global"));
+    iothread_ready = PR_FALSE;
+    iothread = PR_CreateThread(
+                   PR_USER_THREAD, IOThread, NULL, PR_PRIORITY_NORMAL,
+                   scope1, PR_JOINABLE_THREAD, 0);
+    if (iothread == NULL) {
+        fprintf(stderr, "cannot create thread\n");
+        exit(1);
+    }
+    PR_Lock(lock);
+    while (!iothread_ready) {
+        PR_WaitCondVar(cvar, PR_INTERVAL_NO_TIMEOUT);
+    }
+    PR_Unlock(lock);
+    abortio = PR_CreateThread(
+                  PR_USER_THREAD, AbortIO, iothread, PR_PRIORITY_NORMAL,
+                  scope2, PR_JOINABLE_THREAD, 0);
+    if (abortio == NULL) {
+        fprintf(stderr, "cannot create thread\n");
+        exit(1);
+    }
+    if (PR_JoinThread(iothread) == PR_FAILURE) {
+        fprintf(stderr, "PR_JoinThread failed\n");
+        exit(1);
+    }
+    if (PR_JoinThread(abortio) == PR_FAILURE) {
+        fprintf(stderr, "PR_JoinThread failed\n");
+        exit(1);
+    }
+}
+
+int main(int argc, char **argv)
+{
+    PR_STDIO_INIT();
+    lock = PR_NewLock();
+    if (lock == NULL) {
+        fprintf(stderr, "PR_NewLock failed\n");
+        exit(1);
+    }
+    cvar = PR_NewCondVar(lock);
+    if (cvar == NULL) {
+        fprintf(stderr, "PR_NewCondVar failed\n");
+        exit(1);
+    }
+    /* test all four combinations */
+    Test(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
+    Test(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
+    Test(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
+    Test(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
+    printf("PASSED\n");
+    return 0;
+}  /* main */