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| author | kib <kib@FreeBSD.org> | 2009-03-19 10:32:25 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2009-03-19 10:32:25 +0000 |
| commit | 2ca0e1eded054dced59e390aebf48519d0a9456e (patch) | |
| tree | a0450674c2c0d99069b790fb48baa2337ceb6d84 /lib/libthr/thread/thr_fork.c | |
| parent | 363d0f86330f4538f3809062e530487a08812859 (diff) | |
| download | FreeBSD-src-2ca0e1eded054dced59e390aebf48519d0a9456e.zip FreeBSD-src-2ca0e1eded054dced59e390aebf48519d0a9456e.tar.gz | |
Forcibly unlock the malloc() locks in the child process after fork(),
by temporary pretending that the process is still multithreaded.
Current malloc lock primitives do nothing for singlethreaded process.
Reviewed by: davidxu, deischen
Diffstat (limited to 'lib/libthr/thread/thr_fork.c')
| -rw-r--r-- | lib/libthr/thread/thr_fork.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libthr/thread/thr_fork.c b/lib/libthr/thread/thr_fork.c index bc410d1..afb5a1d 100644 --- a/lib/libthr/thread/thr_fork.c +++ b/lib/libthr/thread/thr_fork.c @@ -173,8 +173,11 @@ _fork(void) /* Ready to continue, unblock signals. */ _thr_signal_unblock(curthread); - if (unlock_malloc) + if (unlock_malloc) { + __isthreaded = 1; _malloc_postfork(); + __isthreaded = 0; + } /* Run down atfork child handlers. */ TAILQ_FOREACH(af, &_thr_atfork_list, qe) { |
