Mirrors_Framework/rtems
1
0
Fork 0
mirror of https://gitlab.rtems.org/rtems/rtos/rtems.git synced 2026-09-21 04:51:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

libcsupport: Avoid Giant lock in _times()

Browse Source
This commit is contained in:
Sebastian Huber
2015-05-19 12:00:43 +02:00
parent d5a9c808f0
commit 5f7f469a96
1 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cpukit/libcsupport/src/__times.c
+6 -5
View File
@@ -66,9 +66,10 @@ clock_t _times(
#ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
{
Timestamp_Control per_tick;
uint32_t ticks_of_executing;
uint32_t fractional_ticks;
Timestamp_Control per_tick;
uint32_t ticks_of_executing;
uint32_t fractional_ticks;
Per_CPU_Control *cpu_self;
_Timestamp_Set(
&per_tick,
@@ -78,7 +79,7 @@ clock_t _times(
TOD_NANOSECONDS_PER_SECOND)
);
_Thread_Disable_dispatch();
cpu_self = _Thread_Dispatch_disable();
executing = _Thread_Executing;
_Thread_Update_cpu_time_used(
executing,
@@ -90,7 +91,7 @@ clock_t _times(
&ticks_of_executing,
&fractional_ticks
);
_Thread_Enable_dispatch();
_Thread_Dispatch_enable( cpu_self );
ptms->tms_utime = ticks_of_executing * us_per_tick;
}
#else