diff options
Diffstat (limited to 'dwm.c')
| -rw-r--r-- | dwm.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/dwm.c b/dwm.c index dc63a0b..d6dc467 100644 --- a/dwm.c +++ b/dwm.c @@ -178,6 +178,7 @@ static void setlayout(const Arg *arg); static void setmfact(const Arg *arg); static void setup(void); static void showhide(Client *c); +static void sigchld(int signal); static void spawn(const Arg *arg); static void tag(const Arg *arg); static int textnw(const char *text, unsigned int len); @@ -1340,22 +1341,24 @@ showhide(Client *c) { } } + +void +sigchld(int signal) { + while(0 < waitpid(-1, NULL, WNOHANG)); +} + void spawn(const Arg *arg) { - /* The double-fork construct avoids zombie processes and keeps the code - * clean from stupid signal handlers. */ + signal(SIGCHLD, sigchld); if(fork() == 0) { - if(fork() == 0) { - if(dpy) - close(ConnectionNumber(dpy)); - setsid(); - execvp(((char **)arg->v)[0], (char **)arg->v); - fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]); - perror(" failed"); - } + if(dpy) + close(ConnectionNumber(dpy)); + setsid(); + execvp(((char **)arg->v)[0], (char **)arg->v); + fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]); + perror(" failed"); exit(0); } - wait(0); } void |