From 5d276ea14a84de7fd204dfd635ac7b6d17ea9039 Mon Sep 17 00:00:00 2001 From: kosaki Date: Sun, 26 Dec 2010 12:59:19 +0000 Subject: * process.c (before_exec): add small comment. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30387 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- process.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'process.c') diff --git a/process.c b/process.c index 396ebbe924..2391fb7295 100644 --- a/process.c +++ b/process.c @@ -995,6 +995,10 @@ void rb_thread_reset_timer_thread(void); static int forked_child = 0; +/* + * On old MacOS X, exec() may return ENOTSUPP if the process have multiple threads. + * Therefore we have to kill internal threads at once. [ruby-core: 10583] + */ #define before_exec() \ (rb_enable_interrupt(), (void)(forked_child ? 0 : (rb_thread_stop_timer_thread(), 1))) #define after_exec() \ -- cgit v1.2.3