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-rw-r--r--dwm.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/dwm.c b/dwm.c
index 03baf42..c2bd871 100644
--- a/dwm.c
+++ b/dwm.c
@@ -205,7 +205,6 @@ 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 spawn(const Arg *arg);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
@@ -1543,9 +1542,16 @@ 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);
/* init screen */
screen = DefaultScreen(dpy);
@@ -1639,14 +1645,6 @@ 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
spawn(const Arg *arg)
{
if (arg->v == dmenucmd)