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Diffstat (limited to 'mozilla/nsprpub/pr/tests/parent.c')
| -rw-r--r-- | mozilla/nsprpub/pr/tests/parent.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/mozilla/nsprpub/pr/tests/parent.c b/mozilla/nsprpub/pr/tests/parent.c new file mode 100644 index 0000000..91bf5ee --- /dev/null +++ b/mozilla/nsprpub/pr/tests/parent.c @@ -0,0 +1,157 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* +** 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 */ + |