diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2003-12-20 23:39:42 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-12-20 23:39:42 +0000 |
| commit | c0ecb80a43103964d30d8629ce45098fca307081 (patch) | |
| tree | 859db25ae2d571c91dabf49a70c8c2e1da535ebe /nptl/pthread_cancel.c | |
| parent | bbe35eb57144c081d10e76e35e52e9b400202b72 (diff) | |
Update.
2003-12-20 Ulrich Drepper <drepper@redhat.com>
* elf/rtld.c (dl_main): Optimize order or subexpressions in if().
Diffstat (limited to 'nptl/pthread_cancel.c')
| -rw-r--r-- | nptl/pthread_cancel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c index 1523da82aa..8d1b8640f8 100644 --- a/nptl/pthread_cancel.c +++ b/nptl/pthread_cancel.c @@ -65,6 +65,12 @@ pthread_cancel (th) thread as canceled. */ INTERNAL_SYSCALL_DECL (err); + /* One comment: The PID field in the TCB can temporarily be + changed (in fork). But this must not affect this code + here. Since this function would have to be called while + the thread is executing fork, it would have to happen in + a signal handler. But this is no allowed, pthread_cancel + is not guaranteed to be async-safe. */ int val; #if __ASSUME_TGKILL val = INTERNAL_SYSCALL (tgkill, err, 3, |