1 files changed, 125 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/parent.c b/nsprpub/pr/tests/parent.c
new file mode 100644
index 0000000000..e49af2a989
--- /dev/null
+++ b/nsprpub/pr/tests/parent.c
@@ -0,0 +1,125 @@
+/* -*- 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 */
+