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132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* File: intrio.c
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* Purpose: testing i/o interrupts (see Bugzilla bug #31120)
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*/
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#include "nspr.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* for synchronization between the main thread and iothread */
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static PRLock *lock;
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static PRCondVar *cvar;
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static PRBool iothread_ready;
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static void PR_CALLBACK AbortIO(void *arg)
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{
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PRStatus rv;
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PR_Sleep(PR_SecondsToInterval(2));
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rv = PR_Interrupt((PRThread*)arg);
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PR_ASSERT(PR_SUCCESS == rv);
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} /* AbortIO */
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static void PR_CALLBACK IOThread(void *arg)
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{
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PRFileDesc *sock, *newsock;
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PRNetAddr addr;
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sock = PR_OpenTCPSocket(PR_AF_INET6);
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if (sock == NULL) {
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fprintf(stderr, "PR_OpenTCPSocket failed\n");
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exit(1);
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}
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memset(&addr, 0, sizeof(addr));
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if (PR_SetNetAddr(PR_IpAddrAny, PR_AF_INET6, 0, &addr) == PR_FAILURE) {
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fprintf(stderr, "PR_SetNetAddr failed\n");
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exit(1);
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}
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if (PR_Bind(sock, &addr) == PR_FAILURE) {
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fprintf(stderr, "PR_Bind failed\n");
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exit(1);
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}
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if (PR_Listen(sock, 5) == PR_FAILURE) {
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fprintf(stderr, "PR_Listen failed\n");
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exit(1);
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}
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/* tell the main thread that we are ready */
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PR_Lock(lock);
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iothread_ready = PR_TRUE;
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PR_NotifyCondVar(cvar);
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PR_Unlock(lock);
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newsock = PR_Accept(sock, NULL, PR_INTERVAL_NO_TIMEOUT);
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if (newsock != NULL) {
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fprintf(stderr, "PR_Accept shouldn't have succeeded\n");
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exit(1);
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}
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if (PR_GetError() != PR_PENDING_INTERRUPT_ERROR) {
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fprintf(stderr, "PR_Accept failed (%d, %d)\n",
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PR_GetError(), PR_GetOSError());
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exit(1);
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}
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printf("PR_Accept() is interrupted as expected\n");
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if (PR_Close(sock) == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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exit(1);
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}
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}
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static void Test(PRThreadScope scope1, PRThreadScope scope2)
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{
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PRThread *iothread, *abortio;
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printf("A %s thread will be interrupted by a %s thread\n",
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(scope1 == PR_LOCAL_THREAD ? "local" : "global"),
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(scope2 == PR_LOCAL_THREAD ? "local" : "global"));
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iothread_ready = PR_FALSE;
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iothread = PR_CreateThread(
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PR_USER_THREAD, IOThread, NULL, PR_PRIORITY_NORMAL,
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scope1, PR_JOINABLE_THREAD, 0);
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if (iothread == NULL) {
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fprintf(stderr, "cannot create thread\n");
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exit(1);
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}
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PR_Lock(lock);
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while (!iothread_ready)
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PR_WaitCondVar(cvar, PR_INTERVAL_NO_TIMEOUT);
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PR_Unlock(lock);
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abortio = PR_CreateThread(
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PR_USER_THREAD, AbortIO, iothread, PR_PRIORITY_NORMAL,
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scope2, PR_JOINABLE_THREAD, 0);
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if (abortio == NULL) {
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fprintf(stderr, "cannot create thread\n");
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exit(1);
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}
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if (PR_JoinThread(iothread) == PR_FAILURE) {
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fprintf(stderr, "PR_JoinThread failed\n");
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exit(1);
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}
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if (PR_JoinThread(abortio) == PR_FAILURE) {
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fprintf(stderr, "PR_JoinThread failed\n");
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exit(1);
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}
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}
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int main(int argc, char **argv)
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{
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PR_STDIO_INIT();
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lock = PR_NewLock();
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if (lock == NULL) {
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fprintf(stderr, "PR_NewLock failed\n");
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exit(1);
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}
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cvar = PR_NewCondVar(lock);
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if (cvar == NULL) {
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fprintf(stderr, "PR_NewCondVar failed\n");
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exit(1);
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}
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/* test all four combinations */
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Test(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
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Test(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
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Test(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
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Test(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
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printf("PASSED\n");
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return 0;
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} /* main */
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