diff options
| -rw-r--r-- | dwm.c | 20 |
1 files changed, 9 insertions, 11 deletions
@@ -220,7 +220,6 @@ static void setmfact(const Arg *arg); static void setup(void); static void seturgent(Client *c, int urg); static void showhide(Client *c); -static void sigchld(int unused); static void sighup(int unused); static void sigterm(int unused); static void spawn(const Arg *arg); @@ -1711,9 +1710,16 @@ setup(void) int i; XSetWindowAttributes wa; Atom utf8string; + struct sigaction sa; - /* clean up any zombies immediately */ - sigchld(0); + /* do not transform children into zombies when they terminate */ + sigemptyset(&sa.sa_mask); + sa.sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART; + sa.sa_handler = SIG_IGN; + sigaction(SIGCHLD, &sa, NULL); + + /* clean up any zombies (inherited from .xinitrc etc) immediately */ + while (waitpid(-1, NULL, WNOHANG) > 0); signal(SIGHUP, sighup); signal(SIGTERM, sigterm); @@ -1810,14 +1816,6 @@ showhide(Client *c) } void -sigchld(int unused) -{ - if (signal(SIGCHLD, sigchld) == SIG_ERR) - die("can't install SIGCHLD handler:"); - while (0 < waitpid(-1, NULL, WNOHANG)); -} - -void sighup(int unused) { Arg a = {.i = 1}; |