diff options
| author | deischen <deischen@FreeBSD.org> | 2004-04-08 23:16:21 +0000 |
|---|---|---|
| committer | deischen <deischen@FreeBSD.org> | 2004-04-08 23:16:21 +0000 |
| commit | 6920f21350843fac10f5249f2128ee961be66735 (patch) | |
| tree | 5c4ce9482f48498a0c6de00a8396afa0e05eb845 /lib/libkse | |
| parent | 9d70c1606dc67c40c623ffc82bbffbf77842f4a1 (diff) | |
| download | FreeBSD-src-6920f21350843fac10f5249f2128ee961be66735.zip FreeBSD-src-6920f21350843fac10f5249f2128ee961be66735.tar.gz | |
After forking and initializing the library to single-threaded
mode (where the forked thread is the one and only thread and
is marked as system scope), set the system scope flag before
initializing the signal mask. This prevents trying to use
internal locks that haven't yet been initialized.
Reported by: Dan Nelson <dnelson at allantgroup.com>
Reviewed by: davidxu
Diffstat (limited to 'lib/libkse')
| -rw-r--r-- | lib/libkse/thread/thr_kern.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/libkse/thread/thr_kern.c b/lib/libkse/thread/thr_kern.c index c72e915..d9a5179 100644 --- a/lib/libkse/thread/thr_kern.c +++ b/lib/libkse/thread/thr_kern.c @@ -347,13 +347,14 @@ _kse_single_thread(struct pthread *curthread) _thr_signal_deinit(); } __isthreaded = 0; + curthread->kse->k_kcb->kcb_kmbx.km_curthread = NULL; + curthread->attr.flags |= PTHREAD_SCOPE_SYSTEM; + /* * Restore signal mask early, so any memory problems could * dump core. */ sigprocmask(SIG_SETMASK, &curthread->sigmask, NULL); - curthread->kse->k_kcb->kcb_kmbx.km_curthread = NULL; - curthread->attr.flags |= PTHREAD_SCOPE_SYSTEM; _thr_active_threads = 1; #endif } |
