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author | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-05-28 15:24:18 +0000 |
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committer | kosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-05-28 15:24:18 +0000 |
commit | bde7a62f9150d8a147c4e9b721ced4c2beb9600a (patch) | |
tree | f394543320f73aa2460f6478c4fabcefee6ded46 /process.c | |
parent | ed02c4122a67f209c7c9c4ebdd09647d0ae88e6d (diff) | |
download | ruby-bde7a62f9150d8a147c4e9b721ced4c2beb9600a.tar.gz |
* process.c (before_exec, after_exec): change from macro to function.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'process.c')
-rw-r--r-- | process.c | 40 |
1 files changed, 27 insertions, 13 deletions
@@ -992,33 +992,47 @@ static RETSIGTYPE (*saved_sigpipe_handler)(int) = 0; # define signal(a,b) posix_signal((a),(b)) #endif -static void save_sigpipe(void) +static void before_exec(void) { + /* + * signalmask is inherited across exec() and almost system commands don't + * work if signalmask is blocked. + */ + rb_enable_interrupt(); + #ifdef SIGPIPE /* - * Some OS commands don't initialize signal handler properly. Thus we have to - * reset signal handler before exec(). Otherwise, system() and similar child process - * interaction might fail. (e.g. ruby -e "system 'yes | ls'") [ruby-dev:12261] + * Some OS commands don't initialize signal handler properly. Thus we have + * to reset signal handler before exec(). Otherwise, system() and similar + * child process interaction might fail. (e.g. ruby -e "system 'yes | ls'") + * [ruby-dev:12261] */ saved_sigpipe_handler = signal(SIGPIPE, SIG_DFL); #endif + + if (!forked_child) { + /* + * 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] + */ + rb_thread_stop_timer_thread(); + } } -static void restore_sigpipe(void) +static void after_exec(void) { + rb_thread_reset_timer_thread(); + rb_thread_start_timer_thread(); + #ifdef SIGPIPE signal(SIGPIPE, saved_sigpipe_handler); #endif + + forked_child = 0; + rb_disable_interrupt(); } -/* - * 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(), save_sigpipe(), (void)(forked_child ? 0 : (rb_thread_stop_timer_thread(), 1))) -#define after_exec() \ - (rb_thread_reset_timer_thread(), rb_thread_start_timer_thread(), forked_child = 0, restore_sigpipe(), rb_disable_interrupt()) #define before_fork() before_exec() #define after_fork() (GET_THREAD()->thrown_errinfo = 0, after_exec()) |