зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
3.5 KiB
C
125 строки
3.5 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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#include "nspr.h"
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#include "plgetopt.h"
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#include <stdio.h>
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#ifdef DEBUG
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#define SEM_D "D"
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#else
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#define SEM_D
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#endif
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#ifdef IS_64
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#define SEM_64 "64"
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#else
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#define SEM_64
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#endif
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#define NO_SUCH_SEM_NAME "/tmp/nosuchsem.sem" SEM_D SEM_64
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#define SEM_NAME1 "/tmp/foo.sem" SEM_D SEM_64
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#define EXE_NAME "semaerr1"
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#define SEM_MODE 0666
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static PRBool debug_mode = PR_FALSE;
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static void Help(void)
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{
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fprintf(stderr, "semaerr test program usage:\n");
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fprintf(stderr, "\t-d debug mode (FALSE)\n");
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fprintf(stderr, "\t-h this message\n");
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} /* Help */
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int main(int argc, char **argv)
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{
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PLOptStatus os;
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PLOptState *opt = PL_CreateOptState(argc, argv, "dh");
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PRSem *sem;
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char *child_argv[32];
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char **child_arg;
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PRProcess *proc;
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PRInt32 exit_code;
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
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if (PL_OPT_BAD == os) {
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continue;
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}
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switch (opt->option) {
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case 'd': /* debug mode */
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debug_mode = PR_TRUE;
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break;
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case 'h':
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default:
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Help();
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return 2;
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}
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}
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PL_DestroyOptState(opt);
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/*
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* Open a nonexistent semaphore without the PR_SEM_CREATE
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* flag should fail with PR_FILE_NOT_FOUND_ERROR.
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*/
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(void) PR_DeleteSemaphore(NO_SUCH_SEM_NAME);
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sem = PR_OpenSemaphore(NO_SUCH_SEM_NAME, 0, 0, 0);
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if (NULL != sem) {
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fprintf(stderr, "Opening nonexistent semaphore %s "
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"without the PR_SEM_CREATE flag should fail "
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"but succeeded\n", NO_SUCH_SEM_NAME);
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exit(1);
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}
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if (PR_GetError() != PR_FILE_NOT_FOUND_ERROR) {
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fprintf(stderr, "Expected error is %d but got (%d, %d)\n",
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PR_FILE_NOT_FOUND_ERROR, PR_GetError(), PR_GetOSError());
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exit(1);
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}
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/*
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* Create a semaphore and let the another process
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* try PR_SEM_CREATE and PR_SEM_CREATE|PR_SEM_EXCL.
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*/
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if (PR_DeleteSemaphore(SEM_NAME1) == PR_SUCCESS) {
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fprintf(stderr, "warning: deleted semaphore %s from previous "
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"run of the test\n", SEM_NAME1);
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}
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sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);
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if (sem == NULL) {
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fprintf(stderr, "PR_OpenSemaphore 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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child_arg = child_argv;
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*child_arg++ = EXE_NAME;
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if (debug_mode) {
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*child_arg++ = "-d";
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}
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*child_arg = NULL;
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proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);
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if (proc == NULL) {
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fprintf(stderr, "PR_CreateProcess failed\n");
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exit(1);
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}
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if (PR_WaitProcess(proc, &exit_code) == PR_FAILURE) {
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fprintf(stderr, "PR_WaitProcess failed\n");
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exit(1);
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}
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if (exit_code != 0) {
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fprintf(stderr, "process semaerr1 failed\n");
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exit(1);
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}
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if (PR_CloseSemaphore(sem) == PR_FAILURE) {
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fprintf(stderr, "PR_CloseSemaphore failed\n");
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exit(1);
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}
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if (PR_DeleteSemaphore(SEM_NAME1) == PR_FAILURE) {
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fprintf(stderr, "PR_DeleteSemaphore failed\n");
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exit(1);
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}
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printf("PASS\n");
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return 0;
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}
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