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-rw-r--r--nsprpub/pr/tests/parent.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/parent.c b/nsprpub/pr/tests/parent.c
new file mode 100644
index 0000000000..f43ce0c3f0
--- /dev/null
+++ b/nsprpub/pr/tests/parent.c
@@ -0,0 +1,131 @@
+/* -*- 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: parent.c
+** description: test the process machinery
+*/
+
+#include "prmem.h"
+#include "prprf.h"
+#include "prinit.h"
+#include "prproces.h"
+#include "prinrval.h"
+
+typedef struct Child
+{
+ const char *name;
+ char **argv;
+ PRProcess *process;
+ PRProcessAttr *attr;
+} Child;
+
+/* for the default test 'cvar -c 2000' */
+static char *default_argv[] = {"cvar", "-c", "2000", NULL};
+
+static void PrintUsage(void)
+{
+ PR_fprintf(PR_GetSpecialFD(PR_StandardError),
+ "Usage: parent [-d] child [options]\n");
+}
+
+int main(int argc, char **argv)
+{
+ PRStatus rv;
+ PRInt32 test_status = 1;
+ PRIntervalTime t_start, t_elapsed;
+ PRFileDesc *debug = NULL;
+ Child *child = PR_NEWZAP(Child);
+
+ if (1 == argc)
+ {
+ /* no command-line arguments: run the default test */
+ child->argv = default_argv;
+ }
+ else
+ {
+ argv += 1; /* don't care about our program name */
+ while (*argv != NULL && argv[0][0] == '-')
+ {
+ if (argv[0][1] == 'd') {
+ debug = PR_GetSpecialFD(PR_StandardError);
+ }
+ else
+ {
+ PrintUsage();
+ return 2; /* not sufficient */
+ }
+ argv += 1;
+ }
+ child->argv = argv;
+ }
+
+ if (NULL == *child->argv)
+ {
+ PrintUsage();
+ return 2;
+ }
+
+ child->name = *child->argv;
+ if (NULL != debug) {
+ PR_fprintf(debug, "Forking %s\n", child->name);
+ }
+
+ child->attr = PR_NewProcessAttr();
+ PR_ProcessAttrSetStdioRedirect(
+ child->attr, PR_StandardOutput,
+ PR_GetSpecialFD(PR_StandardOutput));
+ PR_ProcessAttrSetStdioRedirect(
+ child->attr, PR_StandardError,
+ PR_GetSpecialFD(PR_StandardError));
+
+ t_start = PR_IntervalNow();
+ child->process = PR_CreateProcess(
+ child->name, child->argv, NULL, child->attr);
+ t_elapsed = (PRIntervalTime) (PR_IntervalNow() - t_start);
+
+ PR_DestroyProcessAttr(child->attr);
+
+ test_status = (NULL == child->process) ? 1 : 0;
+ if (NULL != debug)
+ {
+ PR_fprintf(
+ debug, "Child was %sforked\n",
+ (0 == test_status) ? "" : "NOT ");
+ if (0 == test_status)
+ PR_fprintf(
+ debug, "PR_CreateProcess took %lu microseconds\n",
+ PR_IntervalToMicroseconds(t_elapsed));
+ }
+
+ if (0 == test_status)
+ {
+ if (NULL != debug) {
+ PR_fprintf(debug, "Waiting for child to exit\n");
+ }
+ rv = PR_WaitProcess(child->process, &test_status);
+ if (PR_SUCCESS == rv)
+ {
+ if (NULL != debug)
+ PR_fprintf(
+ debug, "Child exited %s\n",
+ (0 == test_status) ? "successfully" : "with error");
+ }
+ else
+ {
+ test_status = 1;
+ if (NULL != debug) {
+ PR_fprintf(debug, "PR_WaitProcess failed\n");
+ }
+ }
+ }
+ PR_DELETE(child);
+ PR_Cleanup();
+ return test_status;
+
+} /* main */
+
+/* parent.c */
+