src/system/libroot/os/sem.c

   1 /*
   2  * Copyright 2002-2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include <OS.h>
   8 #include <syscalls.h>
   9
  10
  11 sem_id
  12 create_sem(int32 count, const char *name)
  13 {
  14         return _kern_create_sem(count, name);
  15 }
  16
  17
  18 status_t
  19 delete_sem(sem_id id)
  20 {
  21         return _kern_delete_sem(id);
  22 }
  23
  24
  25 status_t
  26 acquire_sem(sem_id id)
  27 {
  28         return _kern_acquire_sem(id);
  29 }
  30
  31
  32 status_t
  33 acquire_sem_etc(sem_id id, int32 count, uint32 flags, bigtime_t timeout)
  34 {
  35         return _kern_acquire_sem_etc(id, count, flags, timeout);
  36 }
  37
  38
  39 // ToDo: the next two calls (switch_sem()) are not yet public API; no decision
  40 //      has been made yet, so they may get changed or removed until R1
  41
  42 status_t
  43 switch_sem(sem_id releaseSem, sem_id id)
  44 {
  45         return _kern_switch_sem(releaseSem, id);
  46 }
  47
  48
  49 status_t
  50 switch_sem_etc(sem_id releaseSem, sem_id id, int32 count, uint32 flags, bigtime_t timeout)
  51 {
  52         return _kern_switch_sem_etc(releaseSem, id, count, flags, timeout);
  53 }
  54
  55
  56 status_t
  57 release_sem(sem_id id)
  58 {
  59         return _kern_release_sem(id);
  60 }
  61
  62
  63 status_t
  64 release_sem_etc(sem_id id, int32 count, uint32 flags)
  65 {
  66         return _kern_release_sem_etc(id, count, flags);
  67 }
  68
  69
  70 status_t
  71 get_sem_count(sem_id sem, int32 *count)
  72 {
  73         return _kern_get_sem_count(sem, count);
  74 }
  75
  76
  77 status_t
  78 set_sem_owner(sem_id sem, team_id team)
  79 {
  80         return _kern_set_sem_owner(sem, team);
  81 }
  82
  83
  84 status_t
  85 _get_sem_info(sem_id sem, sem_info *info, size_t size)
  86 {
  87         return _kern_get_sem_info(sem, info, size);
  88 }
  89
  90
  91 status_t
  92 _get_next_sem_info(team_id team, int32 *cookie, sem_info *info, size_t size)
  93 {
  94         return _kern_get_next_sem_info(team, cookie, info, size);
  95 }
  96