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/* -*- 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: 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 */