[dpdk-dev] [PATCH v2 1/2] eal/windows: add pthread mutex lock

Suanming Mou suanmingm at nvidia.com
Mon Oct 5 01:48:05 CEST 2020


Add pthread mutex lock as it is needed for the thread safe rte_flow
functions.

Signed-off-by: Suanming Mou <suanmingm at nvidia.com>
---

v2:
 - Using critical section for windows pthread mutex.

---
 lib/librte_eal/windows/include/pthread.h | 33 ++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/lib/librte_eal/windows/include/pthread.h b/lib/librte_eal/windows/include/pthread.h
index 99013dc..644fd49 100644
--- a/lib/librte_eal/windows/include/pthread.h
+++ b/lib/librte_eal/windows/include/pthread.h
@@ -28,6 +28,10 @@
 /* defining pthread_attr_t type on Windows since there is no in Microsoft libc*/
 typedef void *pthread_attr_t;
 
+typedef void *pthread_mutexattr_t;
+
+typedef CRITICAL_SECTION pthread_mutex_t;
+
 typedef SYNCHRONIZATION_BARRIER pthread_barrier_t;
 
 #define pthread_barrier_init(barrier, attr, count) \
@@ -139,6 +143,35 @@
 	return 0;
 }
 
+static inline int
+pthread_mutex_init(pthread_mutex_t *mutex,
+		   __rte_unused pthread_mutexattr_t *attr)
+{
+	InitializeCriticalSection(mutex);
+	return 0;
+}
+
+static inline int
+pthread_mutex_lock(pthread_mutex_t *mutex)
+{
+	EnterCriticalSection(mutex);
+	return 0;
+}
+
+static inline int
+pthread_mutex_unlock(pthread_mutex_t *mutex)
+{
+	LeaveCriticalSection(mutex);
+	return 0;
+}
+
+static inline int
+pthread_mutex_destroy(pthread_mutex_t *mutex)
+{
+	DeleteCriticalSection(mutex);
+	return 0;
+}
+
 #ifdef __cplusplus
 }
 #endif
-- 
1.8.3.1



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