diff options
Diffstat (limited to 'kern/thread.c')
| -rw-r--r-- | kern/thread.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kern/thread.c b/kern/thread.c index 1d7a378..d186298 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -429,6 +429,8 @@ kern_return_t thread_create( *new_thread = thread_template; + record_time_stamp (&new_thread->creation_time); + /* * Initialize runtime-dependent fields */ @@ -1473,7 +1475,11 @@ kern_return_t thread_info( if (flavor == THREAD_BASIC_INFO) { register thread_basic_info_t basic_info; - if (*thread_info_count < THREAD_BASIC_INFO_COUNT) { + /* Allow *thread_info_count to be one smaller than the + usual amount, because creation_time is a new member + that some callers might not know about. */ + + if (*thread_info_count < THREAD_BASIC_INFO_COUNT - 1) { return KERN_INVALID_ARGUMENT; } @@ -1496,6 +1502,7 @@ kern_return_t thread_info( &basic_info->system_time); basic_info->base_priority = thread->priority; basic_info->cur_priority = thread->sched_pri; + basic_info->creation_time = thread->creation_time; /* * To calculate cpu_usage, first correct for timer rate, @@ -1547,7 +1554,8 @@ kern_return_t thread_info( thread_unlock(thread); splx(s); - *thread_info_count = THREAD_BASIC_INFO_COUNT; + if (*thread_info_count > THREAD_BASIC_INFO_COUNT) + *thread_info_count = THREAD_BASIC_INFO_COUNT; return KERN_SUCCESS; } else if (flavor == THREAD_SCHED_INFO) { |