d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Forcibly unlock the malloc() locks in the child process after fork(),

Browse Source 
by temporary pretending that the process is still multithreaded.
Current malloc lock primitives do nothing for singlethreaded process.

Reviewed by:	davidxu, deischen
This commit is contained in:
Konstantin Belousov 2009-03-19 10:32:25 +00:00
parent 8392059492
commit 29986e1bac
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=190025
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/libthr/thread/thr_fork.c
View File

@ -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) {