Changeset 2314381 in mainline for kernel/generic/src/udebug/udebug.c
- Timestamp:
- 2010-01-26T22:49:26Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- bca408b
- Parents:
- bb0d3d24 (diff), 3698e44 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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kernel/generic/src/udebug/udebug.c
rbb0d3d24 r2314381 460 460 } 461 461 462 /** Wait for debugger to handle a fault in this thread. 463 * 464 * When a thread faults and someone is subscribed to the FAULT kernel event, 465 * this function is called to wait for a debugging session to give userspace 466 * a chance to examine the faulting thead/task. When the debugging session 467 * is over, this function returns (so that thread/task cleanup can continue). 468 */ 469 void udebug_thread_fault(void) 470 { 471 udebug_stoppable_begin(); 472 473 /* Wait until a debugger attends to us. */ 474 mutex_lock(&THREAD->udebug.lock); 475 while (!THREAD->udebug.active) 476 condvar_wait(&THREAD->udebug.active_cv, &THREAD->udebug.lock); 477 mutex_unlock(&THREAD->udebug.lock); 478 479 /* Make sure the debugging session is over before proceeding. */ 480 mutex_lock(&THREAD->udebug.lock); 481 while (THREAD->udebug.active) 482 condvar_wait(&THREAD->udebug.active_cv, &THREAD->udebug.lock); 483 mutex_unlock(&THREAD->udebug.lock); 484 485 udebug_stoppable_end(); 486 } 462 487 463 488 /** @}
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