nsprpub/pr/src/misc/pripcsem.c@6474c204b198 (annotated)
nsprpub/pr/src/misc/pripcsem.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * File: pripcsem.c |
| michael@0 | 8 | * |
| michael@0 | 9 | * Description: implements the named semaphores API in prsemipc.h |
| michael@0 | 10 | * for classic NSPR. If _PR_HAVE_NAMED_SEMAPHORES is not defined, |
| michael@0 | 11 | * the named semaphore functions all fail with the error code |
| michael@0 | 12 | * PR_NOT_IMPLEMENTED_ERROR. |
| michael@0 | 13 | */ |
| michael@0 | 14 | |
| michael@0 | 15 | #include "primpl.h" |
| michael@0 | 16 | |
| michael@0 | 17 | #ifdef _PR_PTHREADS |
| michael@0 | 18 | |
| michael@0 | 19 | #error "This file should not be compiled for the pthreads version" |
| michael@0 | 20 | |
| michael@0 | 21 | #else |
| michael@0 | 22 | |
| michael@0 | 23 | #ifndef _PR_HAVE_NAMED_SEMAPHORES |
| michael@0 | 24 | |
| michael@0 | 25 | PRSem * _PR_MD_OPEN_SEMAPHORE( |
| michael@0 | 26 | const char *osname, PRIntn flags, PRIntn mode, PRUintn value) |
| michael@0 | 27 | { |
| michael@0 | 28 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 29 | return NULL; |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | PRStatus _PR_MD_WAIT_SEMAPHORE(PRSem *sem) |
| michael@0 | 33 | { |
| michael@0 | 34 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 35 | return PR_FAILURE; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | PRStatus _PR_MD_POST_SEMAPHORE(PRSem *sem) |
| michael@0 | 39 | { |
| michael@0 | 40 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 41 | return PR_FAILURE; |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | PRStatus _PR_MD_CLOSE_SEMAPHORE(PRSem *sem) |
| michael@0 | 45 | { |
| michael@0 | 46 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 47 | return PR_FAILURE; |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | PRStatus _PR_MD_DELETE_SEMAPHORE(const char *osname) |
| michael@0 | 51 | { |
| michael@0 | 52 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); |
| michael@0 | 53 | return PR_FAILURE; |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | #endif /* !_PR_HAVE_NAMED_SEMAPHORES */ |
| michael@0 | 57 | |
| michael@0 | 58 | PR_IMPLEMENT(PRSem *) PR_OpenSemaphore( |
| michael@0 | 59 | const char *name, PRIntn flags, PRIntn mode, PRUintn value) |
| michael@0 | 60 | { |
| michael@0 | 61 | char osname[PR_IPC_NAME_SIZE]; |
| michael@0 | 62 | |
| michael@0 | 63 | if (!_pr_initialized) _PR_ImplicitInitialization(); |
| michael@0 | 64 | if (_PR_MakeNativeIPCName(name, osname, sizeof(osname), _PRIPCSem) |
| michael@0 | 65 | == PR_FAILURE) { |
| michael@0 | 66 | return NULL; |
| michael@0 | 67 | } |
| michael@0 | 68 | return _PR_MD_OPEN_SEMAPHORE(osname, flags, mode, value); |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | PR_IMPLEMENT(PRStatus) PR_WaitSemaphore(PRSem *sem) |
| michael@0 | 72 | { |
| michael@0 | 73 | return _PR_MD_WAIT_SEMAPHORE(sem); |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | PR_IMPLEMENT(PRStatus) PR_PostSemaphore(PRSem *sem) |
| michael@0 | 77 | { |
| michael@0 | 78 | return _PR_MD_POST_SEMAPHORE(sem); |
| michael@0 | 79 | } |
| michael@0 | 80 | |
| michael@0 | 81 | PR_IMPLEMENT(PRStatus) PR_CloseSemaphore(PRSem *sem) |
| michael@0 | 82 | { |
| michael@0 | 83 | return _PR_MD_CLOSE_SEMAPHORE(sem); |
| michael@0 | 84 | } |
| michael@0 | 85 | |
| michael@0 | 86 | PR_IMPLEMENT(PRStatus) PR_DeleteSemaphore(const char *name) |
| michael@0 | 87 | { |
| michael@0 | 88 | char osname[PR_IPC_NAME_SIZE]; |
| michael@0 | 89 | |
| michael@0 | 90 | if (!_pr_initialized) _PR_ImplicitInitialization(); |
| michael@0 | 91 | if (_PR_MakeNativeIPCName(name, osname, sizeof(osname), _PRIPCSem) |
| michael@0 | 92 | == PR_FAILURE) { |
| michael@0 | 93 | return PR_FAILURE; |
| michael@0 | 94 | } |
| michael@0 | 95 | return _PR_MD_DELETE_SEMAPHORE(osname); |
| michael@0 | 96 | } |
| michael@0 | 97 | |
| michael@0 | 98 | #endif /* _PR_PTHREADS */ |
