diff options
| author | Thomas Bushnell <thomas@gnu.org> | 1997-08-20 20:31:38 +0000 |
|---|---|---|
| committer | Thomas Bushnell <thomas@gnu.org> | 1997-08-20 20:31:38 +0000 |
| commit | 1ed9c11c8bac06eee70182600c872f24552e8dd4 (patch) | |
| tree | 37ad773785169d6f5ce51000ff58fad81bf95842 /kern/task.c | |
| parent | 4c4451c49c52b33f1714f3dd61c055cc84a91a8e (diff) | |
Wed Aug 20 16:05:19 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* kern/thread.h (struct thread): New member `creation_time'.
* include/mach/thread_info.h: New member `creation_time'.
* kern/thread.c (thread_create): Set creation time stamp.
(thread_info) [THREAD_BASIC_INFO]: Fill in new creation time
field. Carefully preserve compatibility with old callers.
* kern/task.h (struct task): New member `creation_time'.
* include/mach/task_info.h: New member `creation_time'.
* kern/task.c (task_create): Set creation time stamp.
(task_info) [TASK_BASIC_INFO]: Fill in new creation time field.
Carefully preserve compatibility with old callers.
* kern/mach_clock.c (record_time_stamp): New function.
* kern/time_out.h (record_time_stamp): Add prototype.
Diffstat (limited to 'kern/task.c')
| -rw-r--r-- | kern/task.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kern/task.c b/kern/task.c index f72bb0f..9302e6a 100644 --- a/kern/task.c +++ b/kern/task.c @@ -166,6 +166,8 @@ kern_return_t task_create( new_task->total_system_time.seconds = 0; new_task->total_system_time.microseconds = 0; + record_time_stamp (&new_task->creation_time); + if (parent_task != TASK_NULL) { task_lock(parent_task); pset = parent_task->processor_set; @@ -774,7 +776,11 @@ kern_return_t task_info( { register task_basic_info_t basic_info; - if (*task_info_count < TASK_BASIC_INFO_COUNT) { + /* Allow *task_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 (*task_info_count < TASK_BASIC_INFO_COUNT - 1) { return KERN_INVALID_ARGUMENT; } @@ -797,9 +803,11 @@ kern_return_t task_info( = task->total_system_time.seconds; basic_info->system_time.microseconds = task->total_system_time.microseconds; + basic_info->creation_time = task->creation_time; task_unlock(task); - *task_info_count = TASK_BASIC_INFO_COUNT; + if (*task_info_count > TASK_BASIC_INFO_COUNT) + *task_info_count = TASK_BASIC_INFO_COUNT; break; } |