diff options
Diffstat (limited to 'process.c')
-rw-r--r-- | process.c | 21 |
1 files changed, 14 insertions, 7 deletions
@@ -768,29 +768,36 @@ void rb_syswait(pid) int pid; { + static int overriding; RETSIGTYPE (*hfunc)_((int)), (*qfunc)_((int)), (*ifunc)_((int)); int status; - int i; + int i, hooked = Qfalse; + if (!overriding) { #ifdef SIGHUP - hfunc = signal(SIGHUP, SIG_IGN); + hfunc = signal(SIGHUP, SIG_IGN); #endif #ifdef SIGQUIT - qfunc = signal(SIGQUIT, SIG_IGN); + qfunc = signal(SIGQUIT, SIG_IGN); #endif - ifunc = signal(SIGINT, SIG_IGN); + ifunc = signal(SIGINT, SIG_IGN); + overriding = Qtrue; + hooked = Qtrue; + } do { i = rb_waitpid(pid, &status, 0); } while (i == -1 && errno == EINTR); + if (hooked) { #ifdef SIGHUP - signal(SIGHUP, hfunc); + signal(SIGHUP, hfunc); #endif #ifdef SIGQUIT - signal(SIGQUIT, qfunc); + signal(SIGQUIT, qfunc); #endif - signal(SIGINT, ifunc); + signal(SIGINT, ifunc); + } } static VALUE |