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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /nsprpub/pr/tests/semapong.c | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | nsprpub/pr/tests/semapong.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/semapong.c b/nsprpub/pr/tests/semapong.c new file mode 100644 index 0000000000..fd24824e31 --- /dev/null +++ b/nsprpub/pr/tests/semapong.c @@ -0,0 +1,130 @@ +/* -*- 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, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nspr.h" +#include "plgetopt.h" + +#include <stdio.h> + +#ifdef DEBUG +#define SEM_D "D" +#else +#define SEM_D +#endif +#ifdef IS_64 +#define SEM_64 "64" +#else +#define SEM_64 +#endif + +#define SHM_NAME "/tmp/counter" SEM_D SEM_64 +#define SEM_NAME1 "/tmp/foo.sem" SEM_D SEM_64 +#define SEM_NAME2 "/tmp/bar.sem" SEM_D SEM_64 +#define ITERATIONS 1000 + +static PRBool debug_mode = PR_FALSE; +static PRIntn iterations = ITERATIONS; +static PRSem *sem1, *sem2; + +static void Help(void) +{ + fprintf(stderr, "semapong test program usage:\n"); + fprintf(stderr, "\t-d debug mode (FALSE)\n"); + fprintf(stderr, "\t-c <count> loop count (%d)\n", ITERATIONS); + fprintf(stderr, "\t-h this message\n"); +} /* Help */ + +int main(int argc, char **argv) +{ + PRIntn i; + PRSharedMemory *shm; + PRIntn *counter_addr; + PLOptStatus os; + PLOptState *opt = PL_CreateOptState(argc, argv, "dc:h"); + + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) { + if (PL_OPT_BAD == os) { + continue; + } + switch (opt->option) { + case 'd': /* debug mode */ + debug_mode = PR_TRUE; + break; + case 'c': /* loop count */ + iterations = atoi(opt->value); + break; + case 'h': + default: + Help(); + return 2; + } + } + PL_DestroyOptState(opt); + + shm = PR_OpenSharedMemory(SHM_NAME, sizeof(*counter_addr), 0, 0666); + if (NULL == shm) { + fprintf(stderr, "PR_OpenSharedMemory failed (%d, %d)\n", + PR_GetError(), PR_GetOSError()); + exit(1); + } + sem1 = PR_OpenSemaphore(SEM_NAME1, 0, 0, 0); + if (NULL == sem1) { + fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n", + PR_GetError(), PR_GetOSError()); + exit(1); + } + sem2 = PR_OpenSemaphore(SEM_NAME2, 0, 0, 0); + if (NULL == sem2) { + fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n", + PR_GetError(), PR_GetOSError()); + exit(1); + } + + counter_addr = PR_AttachSharedMemory(shm, 0); + if (NULL == counter_addr) { + fprintf(stderr, "PR_AttachSharedMemory failed\n"); + exit(1); + } + + /* + * Process 2 waits on semaphore 2 and posts to semaphore 1. + */ + for (i = 0; i < iterations; i++) { + if (PR_WaitSemaphore(sem2) == PR_FAILURE) { + fprintf(stderr, "PR_WaitSemaphore failed\n"); + exit(1); + } + if (*counter_addr == 2*i+1) { + if (debug_mode) { + printf("process 2: counter = %d\n", *counter_addr); + } + } else { + fprintf(stderr, "process 2: counter should be %d but is %d\n", + 2*i+1, *counter_addr); + exit(1); + } + (*counter_addr)++; + if (PR_PostSemaphore(sem1) == PR_FAILURE) { + fprintf(stderr, "PR_PostSemaphore failed\n"); + exit(1); + } + } + if (PR_DetachSharedMemory(shm, counter_addr) == PR_FAILURE) { + fprintf(stderr, "PR_DetachSharedMemory failed\n"); + exit(1); + } + if (PR_CloseSharedMemory(shm) == PR_FAILURE) { + fprintf(stderr, "PR_CloseSharedMemory failed\n"); + exit(1); + } + if (PR_CloseSemaphore(sem1) == PR_FAILURE) { + fprintf(stderr, "PR_CloseSemaphore failed\n"); + } + if (PR_CloseSemaphore(sem2) == PR_FAILURE) { + fprintf(stderr, "PR_CloseSemaphore failed\n"); + } + printf("PASS\n"); + return 0; +} |