Merge branch 'master' of https://github.com/RT-Thread/rt-thread

5 files changed, 26 insertions, 3 deletions

diff --git a/components/libc/compilers/armlibc/README.md b/components/libc/compilers/armlibc/README.md
new file mode 100644
index 0000000000..4d2a73b6be
--- /dev/null
+++ b/components/libc/compilers/armlibc/README.md
@@ -0,0 +1,9 @@
+# ARMLIB (Keil-MDK) porting for RT-Thread
+
+Please define RT_USING_LIBC and compile RT-Thread with Keil-MDK compiler.
+
+
+
+## More Information
+
+https://www.keil.com/support/man/docs/armlib/
\ No newline at end of file
diff --git a/components/libc/compilers/common/readme.md b/components/libc/compilers/common/readme.md
index 0cd56272ff..99797d933c 100644
--- a/components/libc/compilers/common/readme.md
+++ b/components/libc/compilers/common/readme.md
@@ -1,4 +1,4 @@
-# Attention : 
+## Attentions
 
 1. This folder is "common" for armlibc newlibc and dlib. It's not "common" for minilibc.
 
diff --git a/components/libc/compilers/dlib/README.md b/components/libc/compilers/dlib/README.md
index 846eb3f5c0..acd08f9074 100644
--- a/components/libc/compilers/dlib/README.md
+++ b/components/libc/compilers/dlib/README.md
@@ -1,4 +1,9 @@
-Dlib(IAR) porting for RT-Thread.
+# DLIB (IAR) porting for RT-Thread
 
 Please define RT_USING_LIBC and compile RT-Thread with IAR compiler.
 
+
+
+## More Information
+
+http://www.iarsys.co.jp/download/LMS2/arm/7502/ewarm7502doc/arm/doc/EWARM_DevelopmentGuide.ENU.pdf    P.130
\ No newline at end of file
diff --git a/components/libc/compilers/newlib/README.md b/components/libc/compilers/newlib/README.md
new file mode 100644
index 0000000000..385f329a4f
--- /dev/null
+++ b/components/libc/compilers/newlib/README.md
@@ -0,0 +1,9 @@
+# NEWLIB (GCC) porting for RT-Thread
+
+Please define RT_USING_LIBC and compile RT-Thread with GCC compiler.
+
+
+
+## More Information
+
+https://sourceware.org/newlib/libc.html#Reentrancy
\ No newline at end of file
diff --git a/components/libc/pthreads/semaphore.c b/components/libc/pthreads/semaphore.c
index 2bef10022e..2ed93e99b6 100644
--- a/components/libc/pthreads/semaphore.c
+++ b/components/libc/pthreads/semaphore.c
@@ -64,7 +64,7 @@ static sem_t *posix_sem_find(const char* name)
 
     for (iter = posix_sem_list; iter != RT_NULL; iter = iter->next)
     {
-        object = (rt_object_t)&(iter->sem);
+        object = (rt_object_t)iter->sem;
 
         if (strncmp(object->name, name, RT_NAME_MAX) == 0)
         {