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annotate nspr/pr/src/misc/pripcsem.c @ 2:a945361df361

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Fix NSS_LIBRARIES variable
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 30 Jul 2014 16:20:44 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 /* This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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5
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6 /*
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7 * File: pripcsem.c
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8 *
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9 * Description: implements the named semaphores API in prsemipc.h
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10 * for classic NSPR. If _PR_HAVE_NAMED_SEMAPHORES is not defined,
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11 * the named semaphore functions all fail with the error code
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12 * PR_NOT_IMPLEMENTED_ERROR.
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13 */
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14
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15 #include "primpl.h"
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16
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17 #ifdef _PR_PTHREADS
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18
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19 #error "This file should not be compiled for the pthreads version"
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20
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21 #else
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22
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23 #ifndef _PR_HAVE_NAMED_SEMAPHORES
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24
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25 PRSem * _PR_MD_OPEN_SEMAPHORE(
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26 const char *osname, PRIntn flags, PRIntn mode, PRUintn value)
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27 {
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28 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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29 return NULL;
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30 }
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31
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32 PRStatus _PR_MD_WAIT_SEMAPHORE(PRSem *sem)
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33 {
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34 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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35 return PR_FAILURE;
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36 }
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37
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38 PRStatus _PR_MD_POST_SEMAPHORE(PRSem *sem)
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39 {
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40 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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41 return PR_FAILURE;
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42 }
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43
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44 PRStatus _PR_MD_CLOSE_SEMAPHORE(PRSem *sem)
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45 {
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46 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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47 return PR_FAILURE;
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48 }
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49
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50 PRStatus _PR_MD_DELETE_SEMAPHORE(const char *osname)
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51 {
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52 PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
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53 return PR_FAILURE;
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54 }
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55
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56 #endif /* !_PR_HAVE_NAMED_SEMAPHORES */
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57
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58 PR_IMPLEMENT(PRSem *) PR_OpenSemaphore(
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59 const char *name, PRIntn flags, PRIntn mode, PRUintn value)
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60 {
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61 char osname[PR_IPC_NAME_SIZE];
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62
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63 if (!_pr_initialized) _PR_ImplicitInitialization();
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64 if (_PR_MakeNativeIPCName(name, osname, sizeof(osname), _PRIPCSem)
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65 == PR_FAILURE) {
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66 return NULL;
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67 }
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68 return _PR_MD_OPEN_SEMAPHORE(osname, flags, mode, value);
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69 }
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70
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71 PR_IMPLEMENT(PRStatus) PR_WaitSemaphore(PRSem *sem)
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72 {
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73 return _PR_MD_WAIT_SEMAPHORE(sem);
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74 }
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75
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76 PR_IMPLEMENT(PRStatus) PR_PostSemaphore(PRSem *sem)
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77 {
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78 return _PR_MD_POST_SEMAPHORE(sem);
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79 }
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80
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81 PR_IMPLEMENT(PRStatus) PR_CloseSemaphore(PRSem *sem)
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82 {
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83 return _PR_MD_CLOSE_SEMAPHORE(sem);
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84 }
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85
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86 PR_IMPLEMENT(PRStatus) PR_DeleteSemaphore(const char *name)
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87 {
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88 char osname[PR_IPC_NAME_SIZE];
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89
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90 if (!_pr_initialized) _PR_ImplicitInitialization();
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91 if (_PR_MakeNativeIPCName(name, osname, sizeof(osname), _PRIPCSem)
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92 == PR_FAILURE) {
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93 return PR_FAILURE;
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94 }
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95 return _PR_MD_DELETE_SEMAPHORE(osname);
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96 }
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97
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98 #endif /* _PR_PTHREADS */
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