Added performance counter "Available Physical Memory".

[mono.git] / mono / utils / mono-semaphore.h

diff --git a/mono/utils/mono-semaphore.h b/mono/utils/mono-semaphore.h
index 0330738b18e50887f61380dbad393cad6fbe8a8c..b4e9f26d2ac8f3b113bd3b687f8a63e79d39965c 100644 (file)
--- a/mono/utils/mono-semaphore.h
+++ b/mono/utils/mono-semaphore.h
@@ -11,11 +11,15 @@
 #define _MONO_SEMAPHORE_H_
 
 #include <config.h>
-#ifdef HAVE_SEMAPHORE_H
+#include <glib.h>
+#include <time.h>
+#if defined(HAVE_SEMAPHORE_H) && !defined(HOST_WIN32)
 #include <semaphore.h>
 #endif
+#include <mono/io-layer/io-layer.h>
+#include <mono/utils/mono-publib.h>
 
-#if defined (HAVE_SEMAPHORE_H) || defined (USE_MACH_SEMA)
+#if (defined (HAVE_SEMAPHORE_H) || defined (USE_MACH_SEMA)) && !defined(HOST_WIN32)
 #  define MONO_HAS_SEMAPHORES
 
 #  if defined (USE_MACH_SEMA)
@@ -24,23 +28,36 @@
 #    include <mach/semaphore.h>
 typedef semaphore_t MonoSemType;
 #    define MONO_SEM_INIT(addr,value) semaphore_create (current_task (), (addr), SYNC_POLICY_FIFO, (value))
-#    define MONO_SEM_WAIT(sem) semaphore_wait (*(sem))
-#    define MONO_SEM_POST(sem) semaphore_signal (*(sem))
 #    define MONO_SEM_DESTROY(sem) semaphore_destroy (current_task (), *(sem))
 #  else
 typedef sem_t MonoSemType;
 #    define MONO_SEM_INIT(addr,value) sem_init ((addr), 0, (value))
-#    define MONO_SEM_WAIT(sem) sem_wait ((sem))
-#    define MONO_SEM_POST(sem) sem_post ((sem))
 #    define MONO_SEM_DESTROY(sem) sem_destroy ((sem))
 #  endif
-#elif defined(HOST_WIN32)
+#else
 #  define MONO_HAS_SEMAPHORES
 typedef HANDLE MonoSemType;
-#    define MONO_SEM_INIT(addr,value) do {*(addr) = CreateSemaphore ( NULL,(value),10,NULL);} while(0)
-#    define MONO_SEM_WAIT(sem) WaitForSingleObjectEx (*(sem),INFINITE, TRUE)
-#    define MONO_SEM_POST(sem) (!(ReleaseSemaphore (*(sem),1,NULL)))
-#    define MONO_SEM_DESTROY(sem) CloseHandle (*(sem))
+#    define MONO_SEM_INIT(addr,initial) do {*(addr) = CreateSemaphore ( NULL,(initial),0x7FFFFFFF,NULL);} while(0)
+#    define MONO_SEM_DESTROY(sem) do { CloseHandle (*(sem)); (*(sem))=0; } while(0)
 #endif
 
+#define MONO_SEM_WAIT(sem) MONO_SEM_WAIT_ALERTABLE(sem, FALSE)
+#define MONO_SEM_WAIT_ALERTABLE(sem,alertable) mono_sem_wait ((sem), alertable)
+#define MONO_SEM_POST(sem) mono_sem_post ((sem))
+#define MONO_SEM_TIMEDWAIT(sem, timeout_ms) MONO_SEM_TIMEDWAIT_ALERTABLE(sem, timeout_ms, FALSE)
+#define MONO_SEM_TIMEDWAIT_ALERTABLE(sem, timeout_ms, alertable) mono_sem_timedwait ((sem), (timeout_ms), alertable) 
+
+#define MONO_SEM_WAIT_UNITERRUPTIBLE(sem) do { \
+       while (MONO_SEM_WAIT ((sem)) != 0) {    \
+               /*if (EINTR != errno) ABORT("sem_wait failed"); */      \
+       }       \
+} while (0)
+
+G_BEGIN_DECLS
+
+MONO_API int mono_sem_wait (MonoSemType *sem, gboolean alertable);
+MONO_API int mono_sem_timedwait (MonoSemType *sem, guint32 timeout_ms, gboolean alertable);
+MONO_API int mono_sem_post (MonoSemType *sem);
+
+G_END_DECLS
 #endif /* _MONO_SEMAPHORE_H_ */