* thread_pthread.c (rb_thread_create_timer_thread): removed

  rb_disable_interrupt()/rb_enable_interrupt().
* vm_core.h: ditto.
* process.c (static void before_exec): ditto.
* process.c (static void after_exec): ditto.
  [Bug #4765] [ruby-dev:43571]

* eval_intern.h: removed rb_trap_restore_mask().
* vm_eval.c (rb_throw_obj): ditto.
* eval.c (setup_exception): ditto.

* signal.c: removed trap_last_mask.
* signal.c (trap_restore_mask): removed.
* signal.c (init_sigchld): comment clarification why signal block
  is needed. and removed trap_last_mask operation.
* signal.c (trap_ensure): removed trap_last_mask operation.

* signal.c (rb_disable_interrupt, rb_enable_interrupt): made
  static and removed sigdelset(SIGVTALARM) and sigdelset(SIGSEGV).

* process.c (rb_syswait): removed implicit signal handler change.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 42 deletions

diff --git a/process.c b/process.c
index 1289db53e4..d811867055 100644
--- a/process.c
+++ b/process.c
@@ -992,12 +992,6 @@ static RETSIGTYPE sig_do_nothing(int sig)
 
 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
@@ -1028,7 +1022,6 @@ static void after_exec(void)
 #endif
 
     forked_child = 0;
-    rb_disable_interrupt();
 }
 
 #define before_fork() before_exec()
@@ -2947,43 +2940,9 @@ rb_f_abort(int argc, VALUE *argv)
 void
 rb_syswait(rb_pid_t pid)
 {
-    static int overriding;
-#ifdef SIGHUP
-    RETSIGTYPE (*hfunc)(int) = 0;
-#endif
-#ifdef SIGQUIT
-    RETSIGTYPE (*qfunc)(int) = 0;
-#endif
-    RETSIGTYPE (*ifunc)(int) = 0;
     int status;
-    int i, hooked = FALSE;
 
-    if (!overriding) {
-#ifdef SIGHUP
-	hfunc = signal(SIGHUP, SIG_IGN);
-#endif
-#ifdef SIGQUIT
-	qfunc = signal(SIGQUIT, SIG_IGN);
-#endif
-	ifunc = signal(SIGINT, SIG_IGN);
-	overriding = TRUE;
-	hooked = TRUE;
-    }
-
-    do {
-	i = rb_waitpid(pid, &status, 0);
-    } while (i == -1 && errno == EINTR);
-
-    if (hooked) {
-#ifdef SIGHUP
-	signal(SIGHUP, hfunc);
-#endif
-#ifdef SIGQUIT
-	signal(SIGQUIT, qfunc);
-#endif
-	signal(SIGINT, ifunc);
-	overriding = FALSE;
-    }
+    rb_waitpid(pid, &status, 0);
 }
 
 static VALUE