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annotate druntime/import/core/sys/posix/semaphore.d @ 1458:e0b2d67cfe7c

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Added druntime (this should be removed once it works).
author Robert Clipsham <robert@octarineparrot.com>
date Tue, 02 Jun 2009 17:43:06 +0100
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1458
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1 /**
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2 * D header file for POSIX.
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3 *
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4 * Copyright: Copyright Sean Kelly 2005 - 2009.
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5 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
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6 * Authors: Sean Kelly
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7 * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
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8 *
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9 * Copyright Sean Kelly 2005 - 2009.
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10 * Distributed under the Boost Software License, Version 1.0.
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11 * (See accompanying file LICENSE_1_0.txt or copy at
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12 * http://www.boost.org/LICENSE_1_0.txt)
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13 */
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14 module core.sys.posix.semaphore;
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15
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16 private import core.sys.posix.config;
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17 private import core.sys.posix.time;
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18
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19 extern (C):
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20
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21 //
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22 // Required
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23 //
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24 /*
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25 sem_t
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26 SEM_FAILED
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27
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28 int sem_close(sem_t*);
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29 int sem_destroy(sem_t*);
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30 int sem_getvalue(sem_t*, int*);
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31 int sem_init(sem_t*, int, uint);
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32 sem_t* sem_open(in char*, int, ...);
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33 int sem_post(sem_t*);
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34 int sem_trywait(sem_t*);
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35 int sem_unlink(in char*);
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36 int sem_wait(sem_t*);
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37 */
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38
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39 version( linux )
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40 {
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41 private alias int __atomic_lock_t;
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42
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43 private struct _pthread_fastlock
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44 {
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45 c_long __status;
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46 __atomic_lock_t __spinlock;
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47 }
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48
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49 struct sem_t
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50 {
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51 _pthread_fastlock __sem_lock;
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52 int __sem_value;
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53 void* __sem_waiting;
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54 }
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55
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56 enum SEM_FAILED = cast(sem_t*) null;
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57 }
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58 else version( OSX )
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59 {
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60 alias int sem_t;
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61
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62 enum SEM_FAILED = cast(sem_t*) null;
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63 }
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64 else version( freebsd )
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65 {
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66 enum SEM_MAGIC = 0x09fa4012;
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67 enum SEM_USER = 0;
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68
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69 alias void* sem_t;
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70
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71 enum SEM_FAILED = cast(sem_t*) null;
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72 }
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73
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74 int sem_close(sem_t*);
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75 int sem_destroy(sem_t*);
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76 int sem_getvalue(sem_t*, int*);
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77 int sem_init(sem_t*, int, uint);
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78 sem_t* sem_open(in char*, int, ...);
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79 int sem_post(sem_t*);
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80 int sem_trywait(sem_t*);
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81 int sem_unlink(in char*);
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82 int sem_wait(sem_t*);
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83
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84 //
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85 // Timeouts (TMO)
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86 //
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87 /*
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88 int sem_timedwait(sem_t*, in timespec*);
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89 */
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90
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91 version( linux )
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92 {
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93 int sem_timedwait(sem_t*, in timespec*);
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94 }
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95 else version( OSX )
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96 {
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97 int sem_timedwait(sem_t*, in timespec*);
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98 }
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99 else version( freebsd )
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100 {
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101 int sem_timedwait(sem_t*, in timespec*);
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102 }