diff options
Diffstat (limited to 'dwl.c')
| -rw-r--r-- | dwl.c | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -224,6 +224,7 @@ static void setlayout(const Arg *arg); static void setmfact(const Arg *arg); static void setmon(Client *c, Monitor *m, unsigned int newtags); static void setup(void); +static void sigchld(int unused); static void spawn(const Arg *arg); static void tag(const Arg *arg); static void tagmon(const Arg *arg); @@ -1458,6 +1459,9 @@ setsel(struct wl_listener *listener, void *data) void setup(void) { + /* clean up child processes immediately */ + sigchld(0); + /* The backend is a wlroots feature which abstracts the underlying input and * output hardware. The autocreate option will choose the most suitable * backend based on the current environment, such as opening an X11 window @@ -1580,6 +1584,17 @@ setup(void) } void +sigchld(int unused) +{ + if (signal(SIGCHLD, sigchld) == SIG_ERR) { + perror("can't install SIGCHLD handler"); + exit(EXIT_FAILURE); + } + while (0 < waitpid(-1, NULL, WNOHANG)) + ; +} + +void spawn(const Arg *arg) { if (fork() == 0) { |