---
src/gallium/auxiliary/os/os_thread.h | 51 ++++++++++++++++++++++++++++++++++
1 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/os/os_thread.h
b/src/gallium/auxiliary/os/os_thread.h
index a084310..6c25b33 100644
--- a/src/gallium/auxiliary/os/os_thread.h
+++ b/src/gallium/auxiliary/os/os_thread.h
@@ -92,6 +92,23 @@ typedef pthread_mutex_t pipe_mutex;
(void) pthread_mutex_unlock(&(mutex))
+/* pipe_spinlock
+ */
+typedef pthread_spinlock_t pipe_spinlock;
+
+#define pipe_spin_init(spinlock) \
+ (void) pthread_spin_init(&(spinlock), 0)
+
+#define pipe_spin_destroy(spinlock) \
+ (void) pthread_spin_destroy(&(spinlock))
+
+#define pipe_spin_lock(spinlock) \
+ (void) pthread_spin_lock(&(spinlock))
+
+#define pipe_spin_unlock(spinlock) \
+ (void) pthread_spin_unlock(&(spinlock))
+
+
/* pipe_condvar
*/
typedef pthread_cond_t pipe_condvar;
@@ -167,6 +184,24 @@ typedef CRITICAL_SECTION pipe_mutex;
#define pipe_mutex_unlock(mutex) \
LeaveCriticalSection(&mutex)
+
+/* pipe_spinlock (fake implemention for windows using mutex)
+ */
+typedef pipe_mutex pipe_spinlock;
+
+#define pipe_spin_init(spinlock) \
+ pipe_mutex_init(spinlock)
+
+#define pipe_spin_destroy(spinlock) \
+ pipe_mutex_destroy(spinlock)
+
+#define pipe_spin_lock(spinlock) \
+ pipe_mutex_lock(spinlock)
+
+#define pipe_spin_unlock(spinlock) \
+ pipe_mutex_unlock(spinlock)
+
+
/* TODO: Need a macro to declare "I don't care about WinXP compatibilty" */
#if 0 && defined (_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600)
/* CONDITION_VARIABLE is only available on newer versions of Windows
@@ -272,6 +307,22 @@ typedef unsigned pipe_mutex;
#define pipe_mutex_unlock(mutex) \
(void) mutex
+
+typedef unsigned pipe_spinlock;
+
+#define pipe_spin_init(spinlock) \
+ (void) spinlock
+
+#define pipe_spin_destroy(spinlock) \
+ (void) spinlock
+
+#define pipe_spin_lock(spinlock) \
+ (void) spinlock
+
+#define pipe_spin_unlock(spinlock) \
+ (void) spinlock
+
+
typedef int64_t pipe_condvar;
#define pipe_static_condvar(condvar) \
--
1.7.1
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