| 98,27 → 98,6 |
|---|
| waitq_sleep_finish(wq, rc, ipl); |
| } |
| |
| /** Do a preliminary check that a debugging session is in progress. |
| * |
| * This only requires the THREAD->udebug.lock mutex (and not TASK->udebug.lock |
| * mutex). For an undebugged task, this will never block (while there could be |
| * collisions by different threads on the TASK mutex), thus improving SMP |
| * perormance for undebugged tasks. |
| * |
| * @return True if the thread was in a debugging session when the function |
| * checked, false otherwise. |
| */ |
| static bool udebug_thread_precheck(void) |
| { |
| bool res; |
| |
| mutex_lock(&THREAD->udebug.lock); |
| res = THREAD->udebug.active; |
| mutex_unlock(&THREAD->udebug.lock); |
| |
| return res; |
| } |
| |
| /** Start of stoppable section. |
| * |
| * A stoppable section is a section of code where if the thread can be stoped. In other words, |
| 245,11 → 224,6 |
|---|
| |
| etype = end_variant ? UDEBUG_EVENT_SYSCALL_E : UDEBUG_EVENT_SYSCALL_B; |
| |
| /* Early check for undebugged tasks */ |
| if (!udebug_thread_precheck()) { |
| return; |
| } |
| |
| mutex_lock(&TASK->udebug.lock); |
| mutex_lock(&THREAD->udebug.lock); |
| |