[update] support armclang and c++11.

components/libc/compilers/common/none-gcc/sys/types.h

@@ -25,6 +25,7 @@ typedef signed int       ssize_t;       /* Used for a count of bytes or an error
 #else
 typedef long signed int  ssize_t;       /* Used for a count of bytes or an error indication. */
 #endif
+typedef long             suseconds_t;   /* microseconds. */
 typedef unsigned long    useconds_t;    /* microseconds (unsigned) */
 
 typedef unsigned long    dev_t;

components/libc/compilers/common/sys/time.h

@@ -48,9 +48,10 @@ rt_int8_t rt_tz_is_dst(void);
 #ifndef _TIMEVAL_DEFINED
 #define _TIMEVAL_DEFINED
 #if !(defined(_WIN32))
-struct timeval {
-    long    tv_sec;     /* seconds */
-    long    tv_usec;    /* and microseconds */
+struct timeval
+{
+    time_t      tv_sec;     /* seconds */
+    suseconds_t tv_usec;    /* and microseconds */
 };
 #endif
 #endif /* _TIMEVAL_DEFINED */