ioconthr.c revision 677833bc953b6cb418c701facbdcf4aa18d6c44e
829N/A/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2362N/A/* ***** BEGIN LICENSE BLOCK *****
829N/A * Version: MPL 1.1/GPL 2.0/LGPL 2.1
829N/A *
829N/A * The contents of this file are subject to the Mozilla Public License Version
829N/A * 1.1 (the "License"); you may not use this file except in compliance with
2362N/A * the License. You may obtain a copy of the License at
829N/A * http://www.mozilla.org/MPL/
2362N/A *
829N/A * Software distributed under the License is distributed on an "AS IS" basis,
829N/A * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
829N/A * for the specific language governing rights and limitations under the
829N/A * License.
829N/A *
829N/A * The Original Code is the Netscape Portable Runtime (NSPR).
829N/A *
829N/A * The Initial Developer of the Original Code is
829N/A * Netscape Communications Corporation.
829N/A * Portions created by the Initial Developer are Copyright (C) 1998-2000
829N/A * the Initial Developer. All Rights Reserved.
2362N/A *
2362N/A * Contributor(s):
2362N/A *
829N/A * Alternatively, the contents of this file may be used under the terms of
829N/A * either the GNU General Public License Version 2 or later (the "GPL"), or
829N/A * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
829N/A * in which case the provisions of the GPL or the LGPL are applicable instead
829N/A * of those above. If you wish to allow use of your version of this file only
829N/A * under the terms of either the GPL or the LGPL, and not to allow others to
829N/A * use your version of this file under the terms of the MPL, indicate your
829N/A * decision by deleting the provisions above and replace them with the notice
829N/A * and other provisions required by the GPL or the LGPL. If you do not delete
829N/A * the provisions above, a recipient may use your version of this file under
829N/A * the terms of any one of the MPL, the GPL or the LGPL.
829N/A *
829N/A * ***** END LICENSE BLOCK ***** */
829N/A
829N/A/*
829N/A * This is a test for the io continuation thread machinery
829N/A * in pthreads.
829N/A */
829N/A
829N/A#include "nspr.h"
829N/A#include <stdio.h>
829N/A
829N/Aint num_threads = 10; /* must be an even number */
829N/APRThreadScope thread_scope = PR_GLOBAL_THREAD;
829N/A
829N/Avoid ThreadFunc(void *arg)
829N/A{
829N/A PRFileDesc *fd = (PRFileDesc *) arg;
829N/A char buf[1024];
829N/A PRInt32 nbytes;
829N/A PRErrorCode err;
829N/A
829N/A nbytes = PR_Recv(fd, buf, sizeof(buf), 0, PR_SecondsToInterval(20));
829N/A if (nbytes == -1) {
829N/A err = PR_GetError();
829N/A if (err != PR_PENDING_INTERRUPT_ERROR) {
829N/A fprintf(stderr, "PR_Recv failed: (%d, %d)\n",
829N/A err, PR_GetOSError());
829N/A PR_ProcessExit(1);
829N/A }
829N/A /*
829N/A * After getting an I/O interrupt, this thread must
829N/A * close the fd before it exits due to a limitation
829N/A * of our NT implementation.
829N/A */
829N/A if (PR_Close(fd) == PR_FAILURE) {
829N/A fprintf(stderr, "PR_Close failed\n");
829N/A PR_ProcessExit(1);
829N/A }
829N/A } else {
829N/A fprintf(stderr, "PR_Recv received %d bytes!?\n", nbytes);
829N/A PR_ProcessExit(1);
829N/A }
829N/A}
829N/A
829N/Aint main(int argc, char **argv)
829N/A{
829N/A PRFileDesc **fds;
829N/A PRThread **threads;
829N/A PRIntervalTime start, elapsed;
829N/A int index;
fds = (PRFileDesc **) PR_MALLOC(2 * num_threads * sizeof(PRFileDesc *));
PR_ASSERT(fds != NULL);
threads = (PRThread **) PR_MALLOC(num_threads * sizeof(PRThread *));
PR_ASSERT(threads != NULL);
for (index = 0; index < num_threads; index++) {
if (PR_NewTCPSocketPair(&fds[2 * index]) == PR_FAILURE) {
fprintf(stderr, "PR_NewTCPSocket failed\n");
PR_ProcessExit(1);
}
threads[index] = PR_CreateThread(
PR_USER_THREAD, ThreadFunc, fds[2 * index],
PR_PRIORITY_NORMAL, thread_scope, PR_JOINABLE_THREAD, 0);
if (NULL == threads[index]) {
fprintf(stderr, "PR_CreateThread failed\n");
PR_ProcessExit(1);
}
}
/* Let the threads block in PR_Recv */
PR_Sleep(PR_SecondsToInterval(2));
printf("Interrupting the threads\n");
fflush(stdout);
start = PR_IntervalNow();
for (index = 0; index < num_threads; index++) {
if (PR_Interrupt(threads[index]) == PR_FAILURE) {
fprintf(stderr, "PR_Interrupt failed\n");
PR_ProcessExit(1);
}
}
for (index = 0; index < num_threads; index++) {
if (PR_JoinThread(threads[index]) == PR_FAILURE) {
fprintf(stderr, "PR_JoinThread failed\n");
PR_ProcessExit(1);
}
}
elapsed = (PRIntervalTime)(PR_IntervalNow() - start);
printf("Threads terminated in %d milliseconds\n",
PR_IntervalToMilliseconds(elapsed));
fflush(stdout);
/* We are being very generous and allow 10 seconds. */
if (elapsed >= PR_SecondsToInterval(10)) {
fprintf(stderr, "Interrupting threads took longer than 10 seconds!!\n");
PR_ProcessExit(1);
}
for (index = 0; index < num_threads; index++) {
/* fds[2 * index] was passed to and closed by threads[index]. */
if (PR_Close(fds[2 * index + 1]) == PR_FAILURE) {
fprintf(stderr, "PR_Close failed\n");
PR_ProcessExit(1);
}
}
PR_DELETE(threads);
PR_DELETE(fds);
printf("PASS\n");
PR_Cleanup();
return 0;
}