medfall

commit d15d90c2e72f6dfb91f9da99a4f647566a29f321
parent ac6af3ad60f843e9c0a234335e9861cd289224ce
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sat Aug 20 20:49:29 +0100

Add win32_semaphore.h

Diffstat:
platform_semaphore.h
 | 
2
++
win32_semaphore.h
 | 
36
++++++++++++++++++++++++++++++++++++
2 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/platform_semaphore.h b/platform_semaphore.h
@@ -6,6 +6,8 @@
 #include "linux_semaphore.h"
 #elif defined( __APPLE__ )
 #include "darwin_semaphore.h"
+#elif defined( _WIN32 )
+#include "win32_semaphore.h"
 #else
 #error new platform
 #endif
diff --git a/win32_semaphore.h b/win32_semaphore.h
@@ -0,0 +1,36 @@
+#ifndef _WIN32_SEMAPHORE_H_
+#define _WIN32_SEMAPHORE_H_
+
+#include <windows.h>
+
+struct Semaphore {
+	HANDLE sem;
+};
+
+inline void semaphore_init( Semaphore * sem ) {
+	LONG max = 1024; // TODO
+	sem->sem = CreateSemaphore( NULL, 0, max, NULL );
+	if( sem->sem == NULL ) {
+		// ERROR( "CreateSemaphore failed" );
+		printf( "CreateSemaphore failed" );
+		exit( 1 );
+	}
+}
+
+inline void semaphore_signal( Semaphore * sem ) {
+	if( ReleaseSemaphore( sem->sem, 1, NULL ) == 0 ) {
+		// ERROR( "ReleaseSemaphore failed" );
+		printf( "ReleaseSemaphore failed" );
+		exit( 1 );
+	}
+}
+
+inline void semaphore_wait( Semaphore * sem ) {
+	if( WaitForSingleObject( sem->sem, INFINITE ) == WAIT_FAILED ) {
+		// ERROR( "WaitForSingleObject failed" );
+		printf( "WaitForSingleObject failed" );
+		exit( 1 );
+	}
+}
+
+#endif // _WIN32_SEMAPHORE_H_