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Side by Side Diff: nspr/pr/src/memory/prshm.c

Issue 2078763002: Delete bundled copy of NSS and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/nss@master
Patch Set: Delete bundled copy of NSS and replace with README. Created 4 years, 6 months ago
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 /*
7 ** prshm.c -- NSPR Named Shared Memory
8 **
9 ** lth. Jul-1999.
10 */
11 #include <string.h>
12 #include "primpl.h"
13
14 extern PRLogModuleInfo *_pr_shm_lm;
15
16
17 #if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY
18 /* SysV implementation is in pr/src/md/unix/uxshm.c */
19 #elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY
20 /* Posix implementation is in pr/src/md/unix/uxshm.c */
21 #elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY
22 /* Win32 implementation is in pr/src/md/windows/w32shm.c */
23 #else
24 /*
25 ** there is no named_shared_memory
26 */
27 extern PRSharedMemory* _MD_OpenSharedMemory( const char *name, PRSize size, PRI ntn flags, PRIntn mode )
28 {
29 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
30 return NULL;
31 }
32
33 extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags )
34 {
35 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
36 return NULL;
37 }
38
39 extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr )
40 {
41 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
42 return PR_FAILURE;
43 }
44
45 extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm )
46 {
47 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
48 return PR_FAILURE;
49 }
50
51 extern PRStatus _MD_DeleteSharedMemory( const char *name )
52 {
53 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
54 return PR_FAILURE;
55 }
56 #endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */
57
58 /*
59 ** FUNCTION: PR_OpenSharedMemory()
60 **
61 */
62 PR_IMPLEMENT( PRSharedMemory * )
63 PR_OpenSharedMemory(
64 const char *name,
65 PRSize size,
66 PRIntn flags,
67 PRIntn mode
68 )
69 {
70 if (!_pr_initialized) _PR_ImplicitInitialization();
71 return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode ));
72 } /* end PR_OpenSharedMemory() */
73
74 /*
75 ** FUNCTION: PR_AttachSharedMemory()
76 **
77 */
78 PR_IMPLEMENT( void * )
79 PR_AttachSharedMemory(
80 PRSharedMemory *shm,
81 PRIntn flags
82 )
83 {
84 return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags ));
85 } /* end PR_AttachSharedMemory() */
86
87 /*
88 ** FUNCTION: PR_DetachSharedMemory()
89 **
90 */
91 PR_IMPLEMENT( PRStatus )
92 PR_DetachSharedMemory(
93 PRSharedMemory *shm,
94 void *addr
95 )
96 {
97 return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr ));
98 } /* end PR_DetachSharedMemory() */
99
100 /*
101 ** FUNCTION: PR_CloseSharedMemory()
102 **
103 */
104 PR_IMPLEMENT( PRStatus )
105 PR_CloseSharedMemory(
106 PRSharedMemory *shm
107 )
108 {
109 return( _PR_MD_CLOSE_SHARED_MEMORY( shm ));
110 } /* end PR_CloseSharedMemory() */
111
112 /*
113 ** FUNCTION: PR_DeleteSharedMemory()
114 **
115 */
116 PR_EXTERN( PRStatus )
117 PR_DeleteSharedMemory(
118 const char *name
119 )
120 {
121 if (!_pr_initialized) _PR_ImplicitInitialization();
122 return(_PR_MD_DELETE_SHARED_MEMORY( name ));
123 } /* end PR_DestroySharedMemory() */
124 /* end prshm.c */
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