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Opened on 07/22/13 at 12:01:39
Closed on 05/20/15 at 07:27:25
#2130 closed defect (fixed)
Race condition in nanosleep()
| Reported by: | Sebastian Huber | Owned by: | Sebastian Huber |
|---|---|---|---|
| Priority: | low | Milestone: | 4.11 |
| Component: | score | Version: | 4.11 |
| Severity: | critical | Keywords: | |
| Cc: | Blocked By: | ||
| Blocking: |
Description (last modified by Sebastian Huber)
int nanosleep(
const struct timespec *rqtp,
struct timespec *rmtp
)
{
[...]
/*
- Block for the desired amount of time */
_Thread_Disable_dispatch();
executing = _Thread_Executing;
_Thread_Set_state(
executing,
STATES_DELAYING | STATES_INTERRUPTIBLE_BY_SIGNAL
);
<-- A signal at this point will destroy the watchdog chain and the system is corrupt.
_Watchdog_Initialize(
&executing->Timer,
_Thread_Delay_ended,
executing->Object.id,
NULL
);
_Watchdog_Insert_ticks( &executing->Timer, ticks );
_Thread_Enable_dispatch();
[...]
Change History (7)
comment:1 Changed on 07/22/13 at 12:01:39 by Sebastian Huber
comment:2 Changed on 11/24/14 at 18:58:28 by Gedare Bloom
| Version: | HEAD → 4.11 |
|---|
Replace Version=HEAD with Version=4.11 for the tickets with Milestone >= 4.11
comment:3 Changed on 12/18/14 at 12:28:21 by Sebastian Huber
| Description: | modified (diff) |
|---|---|
| Milestone: | 4.11 → 5.0 |
| Priority: | normal → low |
| Severity: | normal → critical |
comment:4 Changed on 03/20/15 at 09:03:14 by Sebastian Huber
This problem can be fixed using the new Thread_Control::Wait::flags. Se also the RTEMS event implementation.
comment:5 Changed on 05/16/15 at 09:30:05 by Sebastian Huber
| Milestone: | 5.0 → 4.11 |
|---|
comment:6 Changed on 05/16/15 at 09:39:15 by Sebastian Huber
| Owner: | changed from Joel Sherrill to Sebastian Huber |
|---|---|
| Status: | new → accepted |
comment:7 Changed on 05/20/15 at 07:27:25 by Sebastian Huber
| Resolution: | → fixed |
|---|---|
| Status: | accepted → closed |
int nanosleep(
)
{
[...]
[...]