diff options
| author | Linus Torvalds <torvalds@home.transmeta.com> | 2003-02-16 03:56:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2003-02-16 03:56:15 -0800 |
| commit | 8ad9ce0793c2890ae32e489a13d127544c3f6eee (patch) | |
| tree | a3fca287fb9e61ea874b134fa69184be28714a94 /fs/proc/array.c | |
| parent | 4883c96a0e3245ca007ad7dd79714daa1c573495 (diff) | |
Do proper signal locking for the old-style /proc/stat too.
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 53edb284329b..e15ffaf61f48 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -316,7 +316,15 @@ int proc_pid_stat(struct task_struct *task, char * buffer) wchan = get_wchan(task); - collect_sigign_sigcatch(task, &sigign, &sigcatch); + sigemptyset(&sigign); + sigemptyset(&sigcatch); + read_lock(&tasklist_lock); + if (task->sighand) { + spin_lock_irq(&task->sighand->siglock); + collect_sigign_sigcatch(task, &sigign, &sigcatch); + spin_lock_irq(&task->sighand->siglock); + } + read_unlock(&tasklist_lock); /* scale priority and nice values from timeslices to -20..20 */ /* to make it look like a "normal" Unix priority/nice value */ |