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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/ioconthr.c | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'nsprpub/pr/tests/ioconthr.c')
-rw-r--r-- | nsprpub/pr/tests/ioconthr.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/ioconthr.c b/nsprpub/pr/tests/ioconthr.c new file mode 100644 index 0000000000..3f5adcd572 --- /dev/null +++ b/nsprpub/pr/tests/ioconthr.c @@ -0,0 +1,114 @@ +/* -*- 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/. */ + +/* + * This is a test for the io continuation thread machinery + * in pthreads. + */ + +#include "nspr.h" +#include <stdio.h> + +int num_threads = 10; /* must be an even number */ +PRThreadScope thread_scope = PR_GLOBAL_THREAD; + +void ThreadFunc(void *arg) +{ + PRFileDesc *fd = (PRFileDesc *) arg; + char buf[1024]; + PRInt32 nbytes; + PRErrorCode err; + + nbytes = PR_Recv(fd, buf, sizeof(buf), 0, PR_SecondsToInterval(20)); + if (nbytes == -1) { + err = PR_GetError(); + if (err != PR_PENDING_INTERRUPT_ERROR) { + fprintf(stderr, "PR_Recv failed: (%d, %d)\n", + err, PR_GetOSError()); + PR_ProcessExit(1); + } + /* + * After getting an I/O interrupt, this thread must + * close the fd before it exits due to a limitation + * of our NT implementation. + */ + if (PR_Close(fd) == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + PR_ProcessExit(1); + } + } else { + fprintf(stderr, "PR_Recv received %d bytes!?\n", nbytes); + PR_ProcessExit(1); + } +} + +int main(int argc, char **argv) +{ + PRFileDesc **fds; + PRThread **threads; + PRIntervalTime start, elapsed; + 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; +} |