1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* 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 Netscape are
* Copyright (C) 1999-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
#include "nspr.h"
#include "plgetopt.h"
#include <stdio.h>
#define NO_SUCH_SEM_NAME "/tmp/nosuchsem.sem"
#define SEM_NAME1 "/tmp/foo.sem"
#define SEM_MODE 0666
static PRBool debug_mode = PR_FALSE;
static void Help(void)
{
fprintf(stderr, "semaerr test program usage:\n");
fprintf(stderr, "\t-d debug mode (FALSE)\n");
fprintf(stderr, "\t-h this message\n");
} /* Help */
int main(int argc, char **argv)
{
PLOptStatus os;
PLOptState *opt = PL_CreateOptState(argc, argv, "dh");
PRSem *sem;
char *child_argv[32];
char **child_arg;
PRProcess *proc;
PRInt32 exit_code;
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt))) {
if (PL_OPT_BAD == os) continue;
switch (opt->option) {
case 'd': /* debug mode */
debug_mode = PR_TRUE;
break;
case 'h':
default:
Help();
return 2;
}
}
PL_DestroyOptState(opt);
/*
* Open a nonexistent semaphore without the PR_SEM_CREATE
* flag should fail with PR_FILE_NOT_FOUND_ERROR.
*/
(void) PR_DeleteSemaphore(NO_SUCH_SEM_NAME);
sem = PR_OpenSemaphore(NO_SUCH_SEM_NAME, 0, 0, 0);
if (NULL != sem) {
fprintf(stderr, "Opening nonexistent semaphore %s "
"without the PR_SEM_CREATE flag should fail "
"but succeeded\n", NO_SUCH_SEM_NAME);
exit(1);
}
if (PR_GetError() != PR_FILE_NOT_FOUND_ERROR) {
fprintf(stderr, "Expected error is %d but got (%d, %d)\n",
PR_FILE_NOT_FOUND_ERROR, PR_GetError(), PR_GetOSError());
exit(1);
}
/*
* Create a semaphore and let the another process
* try PR_SEM_CREATE and PR_SEM_CREATE|PR_SEM_EXCL.
*/
if (PR_DeleteSemaphore(SEM_NAME1) == PR_SUCCESS) {
fprintf(stderr, "warning: deleted semaphore %s from previous "
"run of the test\n", SEM_NAME1);
}
sem = PR_OpenSemaphore(SEM_NAME1, PR_SEM_CREATE, SEM_MODE, 0);
if (sem == NULL) {
fprintf(stderr, "PR_OpenSemaphore failed (%d, %d)\n",
PR_GetError(), PR_GetOSError());
exit(1);
}
child_arg = child_argv;
*child_arg++ = "semaerr1";
if (debug_mode) {
*child_arg++ = "-d";
}
*child_arg = NULL;
proc = PR_CreateProcess(child_argv[0], child_argv, NULL, NULL);
if (proc == NULL) {
fprintf(stderr, "PR_CreateProcess failed\n");
exit(1);
}
if (PR_WaitProcess(proc, &exit_code) == PR_FAILURE) {
fprintf(stderr, "PR_WaitProcess failed\n");
exit(1);
}
if (exit_code != 0) {
fprintf(stderr, "process semaerr1 failed\n");
exit(1);
}
if (PR_CloseSemaphore(sem) == PR_FAILURE) {
fprintf(stderr, "PR_CloseSemaphore failed\n");
exit(1);
}
if (PR_DeleteSemaphore(SEM_NAME1) == PR_FAILURE) {
fprintf(stderr, "PR_DeleteSemaphore failed\n");
exit(1);
}
printf("PASS\n");
return 0;
}
|
