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132
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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: Public Domain
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5 * License: Public Domain
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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 module tango.stdc.posix.semaphore;
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10
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11 private import tango.stdc.posix.config;
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12 private import tango.stdc.posix.time;
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13
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14 extern (C):
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15
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16 //
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17 // Required
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18 //
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19 /*
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20 sem_t
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21 SEM_FAILED
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22
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23 int sem_close(sem_t*);
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24 int sem_destroy(sem_t*);
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25 int sem_getvalue(sem_t*, int*);
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26 int sem_init(sem_t*, int, uint);
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27 sem_t* sem_open(char*, int, ...);
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28 int sem_post(sem_t*);
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29 int sem_trywait(sem_t*);
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30 int sem_unlink(char*);
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31 int sem_wait(sem_t*);
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32 */
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33
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34 version( linux )
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35 {
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36 private alias int __atomic_lock_t;
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37
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38 private struct _pthread_fastlock
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39 {
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40 c_long __status;
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41 __atomic_lock_t __spinlock;
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42 }
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43
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44 struct sem_t
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45 {
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46 _pthread_fastlock __sem_lock;
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47 int __sem_value;
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48 void* __sem_waiting;
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49 }
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50
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51 const SEM_FAILED = cast(sem_t*) null;
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52 }
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53 else version( darwin )
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54 {
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55 alias int sem_t;
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56
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57 const SEM_FAILED = cast(sem_t*) null;
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58 }
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59
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60 int sem_close(sem_t*);
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61 int sem_destroy(sem_t*);
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62 int sem_getvalue(sem_t*, int*);
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63 int sem_init(sem_t*, int, uint);
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64 sem_t* sem_open(char*, int, ...);
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65 int sem_post(sem_t*);
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66 int sem_trywait(sem_t*);
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67 int sem_unlink(char*);
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68 int sem_wait(sem_t*);
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69
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70 //
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71 // Timeouts (TMO)
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72 //
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73 /*
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74 int sem_timedwait(sem_t*, timespec*);
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75 */
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76
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77 version( linux )
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78 {
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79 int sem_timedwait(sem_t*, timespec*);
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80 }
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81 else version( darwin )
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82 {
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83 int sem_timedwait(sem_t*, timespec*);
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84 }
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