Mirrors_Framework/rtems
1
0
Fork 0
mirror of https://gitlab.rtems.org/rtems/rtos/rtems.git synced 2026-09-25 14:31:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

score: Split _Thread_Change_priority()

Browse Source 
Update #2412.
Update #2556.
Update #2765.
This commit is contained in:
Sebastian Huber
2016-07-27 10:55:30 +02:00
parent 0b83633729
commit f4d1f30792
2 changed files with 62 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cpukit/score/include/rtems/score/threadimpl.h
+10
View File
@@ -460,6 +460,16 @@ typedef bool ( *Thread_Change_priority_filter )(
void *arg
);
Thread_Control *_Thread_Apply_priority(
Thread_Control *the_thread,
Priority_Control new_priority,
void *arg,
Thread_Change_priority_filter filter,
bool prepend_it
);
void _Thread_Update_priority( Thread_Control *the_thread );
/**
* @brief Changes the priority of a thread if allowed by the filter function.
*
cpukit/score/src/threadchangepriority.c
+52 -9
View File
@@ -22,7 +22,7 @@
#include <rtems/score/threadimpl.h>
#include <rtems/score/schedulerimpl.h>
void _Thread_Change_priority(
static Thread_Control *_Thread_Apply_priority_locked(
Thread_Control *the_thread,
Priority_Control new_priority,
void *arg,
@@ -30,11 +30,6 @@ void _Thread_Change_priority(
bool prepend_it
)
{
ISR_lock_Context lock_context;
ISR_lock_Control *lock;
lock = _Thread_Lock_acquire( the_thread, &lock_context );
/*
* For simplicity set the priority restore hint unconditionally since this is
* an average case optimization. Otherwise complicated atomic operations
@@ -62,17 +57,65 @@ void _Thread_Change_priority(
new_priority,
the_thread->Wait.queue
);
} else {
the_thread = NULL;
}
_Thread_Lock_release( lock, &lock_context );
return the_thread;
}
Thread_Control *_Thread_Apply_priority(
Thread_Control *the_thread,
Priority_Control new_priority,
void *arg,
Thread_Change_priority_filter filter,
bool prepend_it
)
{
ISR_lock_Context lock_context;
ISR_lock_Control *lock;
lock = _Thread_Lock_acquire( the_thread, &lock_context );
the_thread = _Thread_Apply_priority_locked(
the_thread,
new_priority,
arg,
filter,
prepend_it
);
_Thread_Lock_release( lock, &lock_context );
return the_thread;
}
void _Thread_Update_priority( Thread_Control *the_thread )
{
if ( the_thread != NULL ) {
ISR_lock_Context lock_context;
_Thread_State_acquire( the_thread, &lock_context );
_Scheduler_Update_priority( the_thread );
_Thread_State_release( the_thread, &lock_context );
} else {
_Thread_Lock_release( lock, &lock_context );
}
}
void _Thread_Change_priority(
Thread_Control *the_thread,
Priority_Control new_priority,
void *arg,
Thread_Change_priority_filter filter,
bool prepend_it
)
{
the_thread = _Thread_Apply_priority(
the_thread,
new_priority,
arg,
filter,
prepend_it
);
_Thread_Update_priority( the_thread );
}
static bool _Thread_Raise_priority_filter(
Thread_Control *the_thread,
Priority_Control *new_priority,