Mercurial > trustbridge > nss-cmake-static
annotate nspr/pr/src/misc/pripcsem.c @ 4:b513267f632f tip
Build DBM module
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Tue, 05 Aug 2014 18:58:03 +0200 |
parents | 1e5118fa0cb1 |
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rev | line source |
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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 */ |