pjs/nsprpub/pr/tests/intrio.c

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C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
/*
* File: intrio.c
* Purpose: testing i/o interrupts (see Bugzilla bug #31120)
*/
#include "nspr.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef XP_MAC
#include "prlog.h"
#define printf PR_LogPrint
extern void SetupMacPrintfLog(char *logFile);
#endif
/* 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);
}
}
PRIntn main(PRIntn 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 */