summaryrefslogtreecommitdiffstats
path: root/nsprpub/pr/tests/pipepong2.c
diff options
context:
space:
mode:
Diffstat (limited to 'nsprpub/pr/tests/pipepong2.c')
-rw-r--r--nsprpub/pr/tests/pipepong2.c98
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 000000000..839f252a0
--- /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;
+}