remove sigchld function
Explicitly setting the handler for SIGCHLD to SIG_IGN tells the OS to reap zombie processes automatically, which is what we wanted anyway.
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parent
15f5d31f98
commit
1fa72b0772
15
dwl.c
15
dwl.c
@ -278,7 +278,6 @@ static void setlayout(const Arg *arg);
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static void setmfact(const Arg *arg);
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static void setmfact(const Arg *arg);
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static void setmon(Client *c, Monitor *m, unsigned int newtags);
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static void setmon(Client *c, Monitor *m, unsigned int newtags);
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static void setup(void);
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static void setup(void);
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static void sigchld(int unused);
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static void spawn(const Arg *arg);
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static void spawn(const Arg *arg);
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static void tag(const Arg *arg);
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static void tag(const Arg *arg);
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static void tagmon(const Arg *arg);
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static void tagmon(const Arg *arg);
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@ -1984,8 +1983,9 @@ setup(void)
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* clients from the Unix socket, manging Wayland globals, and so on. */
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* clients from the Unix socket, manging Wayland globals, and so on. */
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dpy = wl_display_create();
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dpy = wl_display_create();
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/* clean up child processes immediately */
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/* Indicate explicitly to the OS that we are not interested in info
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sigchld(0);
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* about child processes (per POSIX.1-2001) */
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signal(SIGCHLD, SIG_IGN);
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/* The backend is a wlroots feature which abstracts the underlying input and
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/* The backend is a wlroots feature which abstracts the underlying input and
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* output hardware. The autocreate option will choose the most suitable
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* output hardware. The autocreate option will choose the most suitable
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@ -2136,15 +2136,6 @@ setup(void)
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#endif
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#endif
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}
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}
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void
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sigchld(int unused)
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{
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if (signal(SIGCHLD, sigchld) == SIG_ERR)
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EBARF("can't install SIGCHLD handler");
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while (0 < waitpid(-1, NULL, WNOHANG))
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;
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}
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void
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void
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spawn(const Arg *arg)
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spawn(const Arg *arg)
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{
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{
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