1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/tests/semapong.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,121 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nspr.h"
1.10 +#include "plgetopt.h"
1.11 +
1.12 +#include <stdio.h>
1.13 +
1.14 +#ifdef SYMBIAN
1.15 +#define SHM_NAME "c:\\data\\counter"
1.16 +#define SEM_NAME1 "c:\\data\\foo.sem"
1.17 +#define SEM_NAME2 "c:\\data\\bar.sem"
1.18 +#else
1.19 +#define SHM_NAME "/tmp/counter"
1.20 +#define SEM_NAME1 "/tmp/foo.sem"
1.21 +#define SEM_NAME2 "/tmp/bar.sem"
1.22 +#endif
1.23 +#define ITERATIONS 1000
1.24 +
1.25 +static PRBool debug_mode = PR_FALSE;
1.26 +static PRIntn iterations = ITERATIONS;
1.27 +static PRSem *sem1, *sem2;
1.28 +
1.29 +static void Help(void)
1.30 +{
1.31 + fprintf(stderr, "semapong test program usage:\n");
1.32 + fprintf(stderr, "\t-d debug mode (FALSE)\n");
1.33 + fprintf(stderr, "\t-c <count> loop count (%d)\n", ITERATIONS);
1.34 + fprintf(stderr, "\t-h this message\n");
1.35 +} /* Help */
1.36 +
1.37 +int main(int argc, char **argv)
1.38 +{
1.39 + PRIntn i;
1.40 + PRSharedMemory *shm;
1.41 + PRIntn *counter_addr;
1.42 + PLOptStatus os;
1.43 + PLOptState *opt = PL_CreateOptState(argc, argv, "dc:h");
1.44 +
1.45 + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
1.46 + if (PL_OPT_BAD == os) continue;
1.47 + switch (opt->option) {
1.48 + case 'd': /* debug mode */
1.49 + debug_mode = PR_TRUE;
1.50 + break;
1.51 + case 'c': /* loop count */
1.52 + iterations = atoi(opt->value);
1.53 + break;
1.54 + case 'h':
1.55 + default:
1.56 + Help();
1.57 + return 2;
1.58 + }
1.59 + }
1.60 + PL_DestroyOptState(opt);
1.61 +
1.62 + shm = PR_OpenSharedMemory(SHM_NAME, sizeof(*counter_addr), 0, 0666);
1.63 + if (NULL == shm) {
1.64 + fprintf(stderr, "PR_OpenSharedMemory failed (%d, %d)\n",
1.65 + PR_GetError(), PR_GetOSError());
1.66 + exit(1);
1.67 + }
1.68 + sem1 = PR_OpenSemaphore(SEM_NAME1, 0, 0, 0);
1.69 + if (NULL == sem1) {
1.70 + fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
1.71 + PR_GetError(), PR_GetOSError());
1.72 + exit(1);
1.73 + }
1.74 + sem2 = PR_OpenSemaphore(SEM_NAME2, 0, 0, 0);
1.75 + if (NULL == sem2) {
1.76 + fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
1.77 + PR_GetError(), PR_GetOSError());
1.78 + exit(1);
1.79 + }
1.80 +
1.81 + counter_addr = PR_AttachSharedMemory(shm, 0);
1.82 + if (NULL == counter_addr) {
1.83 + fprintf(stderr, "PR_AttachSharedMemory failed\n");
1.84 + exit(1);
1.85 + }
1.86 +
1.87 + /*
1.88 + * Process 2 waits on semaphore 2 and posts to semaphore 1.
1.89 + */
1.90 + for (i = 0; i < iterations; i++) {
1.91 + if (PR_WaitSemaphore(sem2) == PR_FAILURE) {
1.92 + fprintf(stderr, "PR_WaitSemaphore failed\n");
1.93 + exit(1);
1.94 + }
1.95 + if (*counter_addr == 2*i+1) {
1.96 + if (debug_mode) printf("process 2: counter = %d\n", *counter_addr);
1.97 + } else {
1.98 + fprintf(stderr, "process 2: counter should be %d but is %d\n",
1.99 + 2*i+1, *counter_addr);
1.100 + exit(1);
1.101 + }
1.102 + (*counter_addr)++;
1.103 + if (PR_PostSemaphore(sem1) == PR_FAILURE) {
1.104 + fprintf(stderr, "PR_PostSemaphore failed\n");
1.105 + exit(1);
1.106 + }
1.107 + }
1.108 + if (PR_DetachSharedMemory(shm, counter_addr) == PR_FAILURE) {
1.109 + fprintf(stderr, "PR_DetachSharedMemory failed\n");
1.110 + exit(1);
1.111 + }
1.112 + if (PR_CloseSharedMemory(shm) == PR_FAILURE) {
1.113 + fprintf(stderr, "PR_CloseSharedMemory failed\n");
1.114 + exit(1);
1.115 + }
1.116 + if (PR_CloseSemaphore(sem1) == PR_FAILURE) {
1.117 + fprintf(stderr, "PR_CloseSemaphore failed\n");
1.118 + }
1.119 + if (PR_CloseSemaphore(sem2) == PR_FAILURE) {
1.120 + fprintf(stderr, "PR_CloseSemaphore failed\n");
1.121 + }
1.122 + printf("PASS\n");
1.123 + return 0;
1.124 +}
