1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/tests/intrio.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,131 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 + * File: intrio.c
1.11 + * Purpose: testing i/o interrupts (see Bugzilla bug #31120)
1.12 + */
1.13 +
1.14 +#include "nspr.h"
1.15 +
1.16 +#include <stdio.h>
1.17 +#include <stdlib.h>
1.18 +#include <string.h>
1.19 +
1.20 +/* for synchronization between the main thread and iothread */
1.21 +static PRLock *lock;
1.22 +static PRCondVar *cvar;
1.23 +static PRBool iothread_ready;
1.24 +
1.25 +static void PR_CALLBACK AbortIO(void *arg)
1.26 +{
1.27 + PRStatus rv;
1.28 + PR_Sleep(PR_SecondsToInterval(2));
1.29 + rv = PR_Interrupt((PRThread*)arg);
1.30 + PR_ASSERT(PR_SUCCESS == rv);
1.31 +} /* AbortIO */
1.32 +
1.33 +static void PR_CALLBACK IOThread(void *arg)
1.34 +{
1.35 + PRFileDesc *sock, *newsock;
1.36 + PRNetAddr addr;
1.37 +
1.38 + sock = PR_OpenTCPSocket(PR_AF_INET6);
1.39 + if (sock == NULL) {
1.40 + fprintf(stderr, "PR_OpenTCPSocket failed\n");
1.41 + exit(1);
1.42 + }
1.43 + memset(&addr, 0, sizeof(addr));
1.44 + if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
1.45 + fprintf(stderr, "PR_SetNetAddr failed\n");
1.46 + exit(1);
1.47 + }
1.48 + if (PR_Bind(sock, &addr) == PR_FAILURE) {
1.49 + fprintf(stderr, "PR_Bind failed\n");
1.50 + exit(1);
1.51 + }
1.52 + if (PR_Listen(sock, 5) == PR_FAILURE) {
1.53 + fprintf(stderr, "PR_Listen failed\n");
1.54 + exit(1);
1.55 + }
1.56 + /* tell the main thread that we are ready */
1.57 + PR_Lock(lock);
1.58 + iothread_ready = PR_TRUE;
1.59 + PR_NotifyCondVar(cvar);
1.60 + PR_Unlock(lock);
1.61 + newsock = PR_Accept(sock, NULL, PR_INTERVAL_NO_TIMEOUT);
1.62 + if (newsock != NULL) {
1.63 + fprintf(stderr, "PR_Accept shouldn't have succeeded\n");
1.64 + exit(1);
1.65 + }
1.66 + if (PR_GetError() != PR_PENDING_INTERRUPT_ERROR) {
1.67 + fprintf(stderr, "PR_Accept failed (%d, %d)\n",
1.68 + PR_GetError(), PR_GetOSError());
1.69 + exit(1);
1.70 + }
1.71 + printf("PR_Accept() is interrupted as expected\n");
1.72 + if (PR_Close(sock) == PR_FAILURE) {
1.73 + fprintf(stderr, "PR_Close failed\n");
1.74 + exit(1);
1.75 + }
1.76 +}
1.77 +
1.78 +static void Test(PRThreadScope scope1, PRThreadScope scope2)
1.79 +{
1.80 + PRThread *iothread, *abortio;
1.81 +
1.82 + printf("A %s thread will be interrupted by a %s thread\n",
1.83 + (scope1 == PR_LOCAL_THREAD ? "local" : "global"),
1.84 + (scope2 == PR_LOCAL_THREAD ? "local" : "global"));
1.85 + iothread_ready = PR_FALSE;
1.86 + iothread = PR_CreateThread(
1.87 + PR_USER_THREAD, IOThread, NULL, PR_PRIORITY_NORMAL,
1.88 + scope1, PR_JOINABLE_THREAD, 0);
1.89 + if (iothread == NULL) {
1.90 + fprintf(stderr, "cannot create thread\n");
1.91 + exit(1);
1.92 + }
1.93 + PR_Lock(lock);
1.94 + while (!iothread_ready)
1.95 + PR_WaitCondVar(cvar, PR_INTERVAL_NO_TIMEOUT);
1.96 + PR_Unlock(lock);
1.97 + abortio = PR_CreateThread(
1.98 + PR_USER_THREAD, AbortIO, iothread, PR_PRIORITY_NORMAL,
1.99 + scope2, PR_JOINABLE_THREAD, 0);
1.100 + if (abortio == NULL) {
1.101 + fprintf(stderr, "cannot create thread\n");
1.102 + exit(1);
1.103 + }
1.104 + if (PR_JoinThread(iothread) == PR_FAILURE) {
1.105 + fprintf(stderr, "PR_JoinThread failed\n");
1.106 + exit(1);
1.107 + }
1.108 + if (PR_JoinThread(abortio) == PR_FAILURE) {
1.109 + fprintf(stderr, "PR_JoinThread failed\n");
1.110 + exit(1);
1.111 + }
1.112 +}
1.113 +
1.114 +int main(int argc, char **argv)
1.115 +{
1.116 + PR_STDIO_INIT();
1.117 + lock = PR_NewLock();
1.118 + if (lock == NULL) {
1.119 + fprintf(stderr, "PR_NewLock failed\n");
1.120 + exit(1);
1.121 + }
1.122 + cvar = PR_NewCondVar(lock);
1.123 + if (cvar == NULL) {
1.124 + fprintf(stderr, "PR_NewCondVar failed\n");
1.125 + exit(1);
1.126 + }
1.127 + /* test all four combinations */
1.128 + Test(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
1.129 + Test(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
1.130 + Test(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
1.131 + Test(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
1.132 + printf("PASSED\n");
1.133 + return 0;
1.134 +} /* main */
