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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/pipepong2.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/pipepong2.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/pipepong2.c b/nsprpub/pr/tests/pipepong2.c new file mode 100644 index 0000000000..839f252a08 --- /dev/null +++ b/nsprpub/pr/tests/pipepong2.c @@ -0,0 +1,98 @@ +/* -*- 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/. */ + +/* + * File: pipepong2.c + * + * Description: + * This test runs in conjunction with the pipeping2 test. + * The pipeping2 test creates two pipes and passes two + * pipe fd's to this test. Then the pipeping2 test writes + * "ping" to this test and this test writes "pong" back. + * To run this pair of tests, just invoke pipeping2. + * + * Tested areas: process creation, pipes, file descriptor + * inheritance. + */ + +#include "prerror.h" +#include "prio.h" + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +#define NUM_ITERATIONS 10 + +int main(int argc, char **argv) +{ + PRFileDesc *pipe_read, *pipe_write; + PRStatus status; + char buf[1024]; + PRInt32 nBytes; + int idx; + + pipe_read = PR_GetInheritedFD("PIPE_READ"); + if (pipe_read == NULL) { + fprintf(stderr, "PR_GetInheritedFD failed\n"); + exit(1); + } + status = PR_SetFDInheritable(pipe_read, PR_FALSE); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_SetFDInheritable failed\n"); + exit(1); + } + pipe_write = PR_GetInheritedFD("PIPE_WRITE"); + if (pipe_write == NULL) { + fprintf(stderr, "PR_GetInheritedFD failed\n"); + exit(1); + } + status = PR_SetFDInheritable(pipe_write, PR_FALSE); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_SetFDInheritable failed\n"); + exit(1); + } + + for (idx = 0; idx < NUM_ITERATIONS; idx++) { + memset(buf, 0, sizeof(buf)); + nBytes = PR_Read(pipe_read, buf, sizeof(buf)); + if (nBytes == -1) { + fprintf(stderr, "PR_Read failed: (%d, %d)\n", + PR_GetError(), PR_GetOSError()); + exit(1); + } + printf("pong process: received \"%s\"\n", buf); + if (nBytes != 5) { + fprintf(stderr, "pong process: expected 5 bytes but got %d bytes\n", + nBytes); + exit(1); + } + if (strcmp(buf, "ping") != 0) { + fprintf(stderr, "pong process: expected \"ping\" but got \"%s\"\n", + buf); + exit(1); + } + + strcpy(buf, "pong"); + printf("pong process: sending \"%s\"\n", buf); + nBytes = PR_Write(pipe_write, buf, 5); + if (nBytes == -1) { + fprintf(stderr, "PR_Write failed\n"); + exit(1); + } + } + + status = PR_Close(pipe_read); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + status = PR_Close(pipe_write); + if (status == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + return 0; +} |