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[Xen-devel] [PATCH] [Mini-OS] Add init_SEMAPHORE

from [Samuel Thibault]

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Subject:	[Xen-devel] [PATCH] [Mini-OS] Add init_SEMAPHORE
From:	Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
Date:	Fri, 23 Nov 2007 16:47:56 +0000
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Add init_SEMAPHORE() to dynamically initialize semaphores.

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxx>

diff -r f2711b7eae95 -r 36bf1e737b87 extras/mini-os/include/semaphore.h
--- a/extras/mini-os/include/semaphore.h        Thu Nov 22 19:55:42 2007 +0000
+++ b/extras/mini-os/include/semaphore.h        Fri Nov 23 13:21:02 2007 +0000
@@ -41,11 +41,13 @@
 
 #define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
 
-static inline void init_MUTEX(struct semaphore *sem)
+static inline void init_SEMAPHORE(struct semaphore *sem, int count)
 {
-  sem->count = 1;
+  sem->count = count;
   init_waitqueue_head(&sem->wait);
 }
 
+#define init_MUTEX(sem) init_SEMAPHORE(sem, 1)
+
 static void inline down(struct semaphore *sem)
 {

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