open ffrt recursive mutex

Signed-off-by: yuanzhipu <2710242656@qq.com>

resourceschedule/ffrt/c/mutex.h

@@ -39,6 +39,53 @@
 #define FFRT_API_C_MUTEX_H
 #include "type_def.h"
 
+/**
+ * @brief Initializes mutex attr.
+ *
+ * @param mutex Indicates a pointer to the mutex.
+ * @param attr Indicates a pointer to the mutex attribute.
+ * @return {@link ffrt_success} 0 - success
+           {@link ffrt_error_inval} 22 - if attr is null.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API int ffrt_mutexattr_init(ffrt_mutexattr_t* attr);
+
+/**
+ * @brief set mutex type.
+ *
+ * @param attr Indicates a pointer to the mutex attribute.
+ * @param type Indicates a int to the mutex type.
+ * @return {@link ffrt_success} 0 - success
+           {@link ffrt_error_inval} 22 - if attr is null or type is not 0 or 2.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API int ffrt_mutexattr_settype(ffrt_mutexattr_t* attr, int type);
+
+/**
+ * @brief get mutex type.
+ *
+ * @param attr Indicates a pointer to the mutex attribute.
+ * @param type Indicates a pointer to the mutex type.
+ * @return {@link ffrt_success} 0 - success
+           {@link ffrt_error_inval} 22 - if attr is null or type is null.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API int ffrt_mutexattr_gettype(ffrt_mutexattr_t* attr, int* type);
+
+/**
+ * @brief destroy mutex attr, the user needs to invoke this interface.
+ *
+ * @param attr Indicates a pointer to the mutex attribute.
+ * @return {@link ffrt_success} 0 - success
+           {@link ffrt_error_inval} 22 - if attr is null.
+ * @since 12
+ * @version 1.0
+ */
+FFRT_C_API int ffrt_mutexattr_destroy(ffrt_mutexattr_t* attr);
+
 /**
  * @brief Initializes a mutex.
  *

resourceschedule/ffrt/c/type_def.h

@@ -183,6 +183,23 @@ typedef struct {
     long storage;
 } ffrt_mutexattr_t;
 
+/**
+ * @brief ffrt mutex type enum
+ *
+ * Describes the mutex type, ffrt_mutex_normal is normal mutex;
+ * ffrt_mutex_recursive is recursive mutex, ffrt_mutex_default is normal mutex.
+ *
+ * @since 12
+ */
+typedef enum {
+    /** ffrt normal mutex type */
+    ffrt_mutex_normal = 0,
+    /** ffrt recursive mutex type */
+    ffrt_mutex_recursive = 2,
+    /** ffrt default mutex type */
+    ffrt_mutex_default = ffrt_mutex_normal
+} ffrt_mutex_type;
+
 typedef struct {
     uint32_t storage[(ffrt_mutex_storage_size + sizeof(uint32_t) - 1) / sizeof(uint32_t)];
 } ffrt_mutex_t;