2 files changed, 36 insertions, 29 deletions

diff --git a/components/libc/compilers/common/sys/time.h b/components/libc/compilers/common/sys/time.h
index 4ca665c536..c2320429e0 100644
--- a/components/libc/compilers/common/sys/time.h
+++ b/components/libc/compilers/common/sys/time.h
@@ -19,6 +19,7 @@
 extern "C" {
 #endif
 
+/* timezone */
 #define DST_NONE    0   /* not on dst */
 #define DST_USA     1   /* USA style dst */
 #define DST_AUST    2   /* Australian style dst */
@@ -31,12 +32,21 @@ extern "C" {
 #define DST_TUR     9   /* Turkey */
 #define DST_AUSTALT 10  /* Australian style with shift in 1986 */
 
-#ifndef _TIMEVAL_DEFINED
-#define _TIMEVAL_DEFINED
+struct timezone {
+  int tz_minuteswest;   /* minutes west of Greenwich */
+  int tz_dsttime;       /* type of dst correction */
+};
+
+void rt_tz_set(rt_int8_t tz);
+rt_int8_t rt_tz_get(void);
+rt_int8_t rt_tz_is_dst(void);
+
 /*
  * Structure returned by gettimeofday(2) system call,
  * and used in other calls.
  */
+#ifndef _TIMEVAL_DEFINED
+#define _TIMEVAL_DEFINED
 #if !(defined(_WIN32))
 struct timeval {
     long    tv_sec;     /* seconds */
@@ -45,18 +55,6 @@ struct timeval {
 #endif
 #endif /* _TIMEVAL_DEFINED */
 
-#if !(defined(__GNUC__) && !defined(__ARMCC_VERSION)/*GCC*/) && !(defined(__ICCARM__) && (__VER__ >= 8010001)) && !defined(_WIN32)
-struct timespec {
-    time_t  tv_sec;     /* seconds */
-    long    tv_nsec;    /* and nanoseconds */
-};
-#endif
-
-struct timezone {
-  int tz_minuteswest;   /* minutes west of Greenwich */
-  int tz_dsttime;       /* type of dst correction */
-};
-
 int stime(const time_t *t);
 time_t timegm(struct tm * const t);
 int gettimeofday(struct timeval *tv, struct timezone *tz);
@@ -67,6 +65,14 @@ struct tm *gmtime_r(const time_t *timep, struct tm *r);
 
 #ifdef RT_USING_POSIX
 #include <sys/types.h>
+
+#if !(defined(__GNUC__) && !defined(__ARMCC_VERSION)/*GCC*/) && !(defined(__ICCARM__) && (__VER__ >= 8010001)) && !defined(_WIN32)
+struct timespec {
+    time_t  tv_sec;     /* seconds */
+    long    tv_nsec;    /* and nanoseconds */
+};
+#endif
+
 /* posix clock and timer */
 #define MILLISECOND_PER_SECOND  1000UL
 #define MICROSECOND_PER_SECOND  1000000UL
@@ -96,15 +102,9 @@ struct tm *gmtime_r(const time_t *timep, struct tm *r);
 int clock_getres  (clockid_t clockid, struct timespec *res);
 int clock_gettime (clockid_t clockid, struct timespec *tp);
 int clock_settime (clockid_t clockid, const struct timespec *tp);
-int clock_time_to_tick(const struct timespec *time);
+int rt_timespec_to_tick(const struct timespec *time);
 #endif /* RT_USING_POSIX */
 
-
-/* timezone APIs (Not standard LIBC APIs) */
-void rt_tz_set(rt_int8_t tz);
-rt_int8_t rt_tz_get(void);
-rt_int8_t rt_tz_is_dst(void);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/components/libc/compilers/common/time.c b/components/libc/compilers/common/time.c
index 8f4856a330..6e4ec58950 100644
--- a/components/libc/compilers/common/time.c
+++ b/components/libc/compilers/common/time.c
@@ -465,8 +465,8 @@ RTM_EXPORT(difftime);
 RTM_EXPORT(strftime);
 
 #ifdef RT_USING_POSIX
-static struct timeval _timevalue;
-static int clock_time_system_init()
+static volatile struct timeval _timevalue;
+static int _rt_clock_time_system_init()
 {
     time_t time;
     rt_tick_t tick;
@@ -493,7 +493,7 @@ static int clock_time_system_init()
 
     return 0;
 }
-INIT_COMPONENT_EXPORT(clock_time_system_init);
+INIT_COMPONENT_EXPORT(_rt_clock_time_system_init);
 
 int clock_getres(clockid_t clockid, struct timespec *res)
 {
@@ -614,7 +614,7 @@ int clock_settime(clockid_t clockid, const struct timespec *tp)
 }
 RTM_EXPORT(clock_settime);
 
-int clock_time_to_tick(const struct timespec *time)
+int rt_timespec_to_tick(const struct timespec *time)
 {
     int tick;
     int nsecond, second;
@@ -645,19 +645,19 @@ int clock_time_to_tick(const struct timespec *time)
 
     return tick;
 }
-RTM_EXPORT(clock_time_to_tick);
+RTM_EXPORT(rt_timespec_to_tick);
 
 #endif /* RT_USING_POSIX */
 
 
-/* timezone APIs (Not standard LIBC APIs) */
+/* timezone */
 #ifndef RT_LIBC_DEFAULT_TIMEZONE
 #define RT_LIBC_DEFAULT_TIMEZONE    8
 #endif
 
 #include <rthw.h>
 
-volatile static rt_int8_t rt_current_timezone = RT_LIBC_DEFAULT_TIMEZONE;
+static volatile rt_int8_t rt_current_timezone = RT_LIBC_DEFAULT_TIMEZONE;
 
 void rt_tz_set(rt_int8_t tz)
 {
@@ -669,7 +669,14 @@ void rt_tz_set(rt_int8_t tz)
 
 rt_int8_t rt_tz_get(void)
 {
-    return rt_current_timezone;
+    rt_int8_t tz;
+    register rt_base_t level;
+
+    level = rt_hw_interrupt_disable();
+    tz = rt_current_timezone;
+    rt_hw_interrupt_enable(level);
+
+    return tz;
 }
 
 rt_int8_t rt_tz_is_dst(void)