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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*
- ** file: parent.c
- ** description: test the process machinery
- ** see also child.c
- */
-
- #include "prmem.h"
- #include "prprf.h"
- #include "prinit.h"
- #include "prproces.h"
-
- typedef struct Child
- {
- const char *name;
- PRProcess *process;
- PRProcessAttr *attr;
- } Child;
-
- static PrintUsage(void)
- {
- PR_fprintf(PR_GetSpecialFD(PR_StandardError),
- "Usage: parent [-d] child [options]\n");
- }
-
- PRIntn main (PRIntn argc, char **argv)
- {
- PRStatus rv;
- PRInt32 test_status = 1;
- PRFileDesc *debug = NULL;
- Child *child = PR_NEWZAP(Child);
-
- if (1 == argc)
- {
- PrintUsage();
- return 2;
- }
-
- argv += 1; /* don't care about our program name */
- while (argv[0][0] == '-')
- {
- if (argv[0][1] == 'd')
- debug = PR_GetSpecialFD(PR_StandardError);
- else
- {
- PrintUsage();
- return 2; /* not sufficient */
- }
- argv += 1;
- }
-
- if (NULL == *argv)
- {
- PrintUsage();
- return 2;
- }
-
- child->name = *argv;
- if (NULL != debug) PR_fprintf(debug, "Forking %s\n", child->name);
-
- child->attr = PR_NewProcessAttr();
- PR_SetStdioRedirect(
- child->attr, PR_StandardOutput,
- PR_GetSpecialFD(PR_StandardOutput));
- PR_SetStdioRedirect(
- child->attr, PR_StandardError,
- PR_GetSpecialFD(PR_StandardError));
-
- child->process = PR_CreateProcess(
- child->name, argv, NULL, 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)
- {
- 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_Cleanup();
- return test_status;
-
- } /* main */
-
- /* parent.c */
-
-