mono/utils/mono-coop-semaphore.h

   1 /**
   2  * \file
   3  */
   4
   5 #ifndef __MONO_COOP_SEMAPHORE_H__
   6 #define __MONO_COOP_SEMAPHORE_H__
   7
   8 #include <config.h>
   9 #include <glib.h>
  10
  11 #include "mono-os-semaphore.h"
  12 #include "mono-threads-api.h"
  13
  14 G_BEGIN_DECLS
  15
  16 /* We put the OS sync primitives in struct, so the compiler will warn us if
  17  * we use mono_os_(mutex|cond|sem)_... on MonoCoop(Mutex|Cond|Sem) structures */
  18
  19 typedef struct _MonoCoopSem MonoCoopSem;
  20 struct _MonoCoopSem {
  21         MonoSemType s;
  22 };
  23
  24 static inline void
  25 mono_coop_sem_init (MonoCoopSem *sem, int value)
  26 {
  27         mono_os_sem_init (&sem->s, value);
  28 }
  29
  30 static inline void
  31 mono_coop_sem_destroy (MonoCoopSem *sem)
  32 {
  33         mono_os_sem_destroy (&sem->s);
  34 }
  35
  36 static inline gint
  37 mono_coop_sem_wait (MonoCoopSem *sem, MonoSemFlags flags)
  38 {
  39         gint res;
  40
  41         MONO_ENTER_GC_SAFE;
  42
  43         res = mono_os_sem_wait (&sem->s, flags);
  44
  45         MONO_EXIT_GC_SAFE;
  46
  47         return res;
  48 }
  49
  50 static inline MonoSemTimedwaitRet
  51 mono_coop_sem_timedwait (MonoCoopSem *sem, guint timeout_ms, MonoSemFlags flags)
  52 {
  53         MonoSemTimedwaitRet res;
  54
  55         MONO_ENTER_GC_SAFE;
  56
  57         res = mono_os_sem_timedwait (&sem->s, timeout_ms, flags);
  58
  59         MONO_EXIT_GC_SAFE;
  60
  61         return res;
  62 }
  63
  64 static inline void
  65 mono_coop_sem_post (MonoCoopSem *sem)
  66 {
  67         mono_os_sem_post (&sem->s);
  68 }
  69
  70 G_END_DECLS
  71
  72 #endif /* __MONO_COOP_SEMAPHORE_H__ */