[dpdk-dev] [PATCH v4 1/2] eal/windows: add pthread mutex lock

[Tal Shnaiderman]

> Subject: [dpdk-dev] [PATCH v4 1/2] eal/windows: add pthread mutex lock
> 
> Add pthread mutex lock as it is needed for the thread safe rte_flow
> functions.
> 
> Signed-off-by: Suanming Mou <suanmingm at nvidia.com>
> Acked-by: Dmitry Kozlyuk <dmitry.kozliuk at gmail.com>
> ---
> 	
> v4:
>  - Add PTHREAD_MUTEX_INITIALIZER macro.
> 
> v3:
>  - No updates.
> 
> v2:
>  - Using critical section for windows pthread mutex.
> 
> ---
> 
>  lib/librte_eal/windows/include/pthread.h | 35
> ++++++++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/lib/librte_eal/windows/include/pthread.h
> b/lib/librte_eal/windows/include/pthread.h
> index 99013dc..c62251f 100644
> --- a/lib/librte_eal/windows/include/pthread.h
> +++ b/lib/librte_eal/windows/include/pthread.h
> @@ -28,6 +28,12 @@
>  /* 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;
> +
> +#define PTHREAD_MUTEX_INITIALIZER {(void *)-1, -1, 0, 0, 0, 0}
> +
>  typedef SYNCHRONIZATION_BARRIER pthread_barrier_t;
> 
>  #define pthread_barrier_init(barrier, attr, count) \ @@ -139,6 +145,35 @@
>  	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

Tested-by: Tal Shnaiderman <talshn at nvidia.com>
Acked-by: Tal Shnaiderman <talshn at nvidia.com>