src/tools/fs_shell/sem.cpp

   1 /*
   2  * Copyright 2007, Ingo Weinhold, bonefish@cs.tu-berlin.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 #include "compatibility.h"
   7
   8 #include <string.h>
   9
  10 #include <OS.h>
  11
  12 #include "fssh_errors.h"
  13 #include "fssh_os.h"
  14
  15
  16 static void
  17 copy_sem_info(fssh_sem_info* info, const sem_info* systemInfo)
  18 {
  19         info->sem = systemInfo->sem;
  20         info->team = systemInfo->team;
  21         strcpy(info->name, systemInfo->name);
  22         info->count = systemInfo->count;
  23         info->latest_holder = systemInfo->latest_holder;
  24 }
  25
  26
  27 // #pragma mark -
  28
  29
  30 fssh_sem_id
  31 fssh_create_sem(int32_t count, const char *name)
  32 {
  33         return create_sem(count, name);
  34 }
  35
  36
  37 fssh_status_t
  38 fssh_delete_sem(fssh_sem_id id)
  39 {
  40         return delete_sem(id);
  41 }
  42
  43
  44 fssh_status_t
  45 fssh_acquire_sem(fssh_sem_id id)
  46 {
  47         return acquire_sem(id);
  48 }
  49
  50
  51 fssh_status_t
  52 fssh_acquire_sem_etc(fssh_sem_id id, int32_t count, uint32_t flags,
  53         fssh_bigtime_t timeout)
  54 {
  55         return acquire_sem_etc(id, count, flags, timeout);
  56 }
  57
  58
  59 fssh_status_t
  60 fssh_release_sem(fssh_sem_id id)
  61 {
  62         return release_sem(id);
  63 }
  64
  65
  66 fssh_status_t
  67 fssh_release_sem_etc(fssh_sem_id id, int32_t count, uint32_t flags)
  68 {
  69         return release_sem_etc(id, count, flags);
  70 }
  71
  72
  73 fssh_status_t
  74 fssh_get_sem_count(fssh_sem_id id, int32_t *threadCount)
  75 {
  76         return get_sem_count(id, (int32*)threadCount);
  77 }
  78
  79
  80 fssh_status_t
  81 fssh_set_sem_owner(fssh_sem_id id, fssh_team_id team)
  82 {
  83         // return set_sem_owner(id, team);
  84         // The FS shell is the kernel and no other teams exist.
  85         return FSSH_B_OK;
  86 }
  87
  88
  89 fssh_status_t
  90 _fssh_get_sem_info(fssh_sem_id id, struct fssh_sem_info *info,
  91         fssh_size_t infoSize)
  92 {
  93         sem_info systemInfo;
  94         status_t result = get_sem_info(id, &systemInfo);
  95         if (result != B_OK)
  96                 return result;
  97
  98         copy_sem_info(info, &systemInfo);
  99
 100         return FSSH_B_OK;
 101 }
 102
 103
 104 fssh_status_t
 105 _fssh_get_next_sem_info(fssh_team_id team, int32_t *cookie,
 106         struct fssh_sem_info *info, fssh_size_t infoSize)
 107 {
 108         sem_info systemInfo;
 109         status_t result = get_next_sem_info(team, (int32*)cookie, &systemInfo);
 110         if (result != B_OK)
 111                 return result;
 112
 113         copy_sem_info(info, &systemInfo);
 114
 115         return FSSH_B_OK;
 116 }
 117