From d2be4d7a460365844a7732df8a3eb59e6bb64897 Mon Sep 17 00:00:00 2001
From: zhushengle <zhushengle@huawei.com>
Date: Sat, 30 Oct 2021 15:19:48 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=94=AF=E6=8C=81pthread=5Fmutex?=
 =?UTF-8?q?=E5=B1=9E=E6=80=A7=E7=9B=B8=E5=85=B3=E6=8E=A5=E5=8F=A3?=
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接口列表:
pthread_mutexattr_init
pthread_mutexattr_settype
pthread_mutexattr_destroy

Close #I4G4RQ

Signed-off-by: zhushengle <zhushengle@huawei.com>
Change-Id: I7aea47e375ffe961a3dcbf39da6b84561e3d0a8f
---
 kal/posix/src/pthread_mutex.c | 43 ++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/kal/posix/src/pthread_mutex.c b/kal/posix/src/pthread_mutex.c
index fdd81eca..60ecc71b 100644
--- a/kal/posix/src/pthread_mutex.c
+++ b/kal/posix/src/pthread_mutex.c
@@ -31,6 +31,7 @@
 
 #include <pthread.h>
 #include <time.h>
+#include <securec.h>
 #include "los_compiler.h"
 #include "los_mux.h"
 #include "errno.h"
@@ -61,13 +62,53 @@ static inline int MapError(UINT32 err)
     }
 }
 
+int pthread_mutexattr_init(pthread_mutexattr_t *mutexAttr)
+{
+    if (mutexAttr == NULL) {
+        return EINVAL;
+    }
+
+    mutexAttr->type = PTHREAD_MUTEX_RECURSIVE;
+    return 0;
+}
+
+int pthread_mutexattr_settype(pthread_mutexattr_t *mutexAttr, int type)
+{
+    if (mutexAttr == NULL) {
+        return EINVAL;
+    }
+
+    if (((unsigned)type != PTHREAD_MUTEX_NORMAL) &&
+        ((unsigned)type != PTHREAD_MUTEX_RECURSIVE) &&
+        ((unsigned)type != PTHREAD_MUTEX_ERRORCHECK)) {
+        return EINVAL;
+    }
+
+    if ((unsigned)type != PTHREAD_MUTEX_RECURSIVE) {
+        return EOPNOTSUPP;
+    }
+
+    mutexAttr->type = PTHREAD_MUTEX_RECURSIVE;
+    return 0;
+}
+
+int pthread_mutexattr_destroy(pthread_mutexattr_t *mutexAttr)
+{
+    if (mutexAttr == NULL) {
+        return EINVAL;
+    }
+
+    (VOID)memset_s(mutexAttr, sizeof(pthread_mutexattr_t), 0, sizeof(pthread_mutexattr_t));
+    return 0;
+}
+
 /* Initialize mutex. If mutexAttr is NULL, use default attributes. */
 int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexAttr)
 {
     UINT32 muxHandle;
     UINT32 ret;
 
-    if (mutexAttr != NULL) {
+    if ((mutexAttr != NULL) && (mutexAttr->type != PTHREAD_MUTEX_RECURSIVE)) {
         return EOPNOTSUPP;
     }