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* process.c (before_exec): use sig_do_nothing instead of SIG_DFL

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for avoiding a race.
* process.c (sig_do_nothing): new function.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2011-06-20 13:55:04 +00:00
parent 2552e428f3
commit 1d110a14a4
2 changed files with 13 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Mon Jun 20 22:52:07 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* process.c (before_exec): use sig_do_nothing instead of SIG_DFL
for avoiding a race.
* process.c (sig_do_nothing): new function.
Mon Jun 20 21:31:03 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> Mon Jun 20 21:31:03 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* thread_pthread.c (thread_timer): rename timeout_10ms to * thread_pthread.c (thread_timer): rename timeout_10ms to

8
process.c
View file

@ -984,6 +984,12 @@ static RETSIGTYPE (*saved_sigpipe_handler)(int) = 0;
# define signal(a,b) posix_signal((a),(b)) # define signal(a,b) posix_signal((a),(b))
#endif #endif
#ifdef SIGPIPE
static RETSIGTYPE sig_do_nothing(int sig)
{
}
#endif
static void before_exec(void) static void before_exec(void)
{ {
/* /*
@ -999,7 +1005,7 @@ static void before_exec(void)
* child process interaction might fail. (e.g. ruby -e "system 'yes | ls'") * child process interaction might fail. (e.g. ruby -e "system 'yes | ls'")
* [ruby-dev:12261] * [ruby-dev:12261]
*/ */
saved_sigpipe_handler = signal(SIGPIPE, SIG_DFL); saved_sigpipe_handler = signal(SIGPIPE, sig_do_nothing);
#endif #endif
if (!forked_child) { if (!forked_child) {