Revert "remove sigchld function"
This reverts commit 1fa72b0772
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Fixes #97.
This commit is contained in:
parent
1fa72b0772
commit
43b6e804cf
20
dwl.c
20
dwl.c
@ -278,6 +278,7 @@ 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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@ -1983,9 +1984,8 @@ 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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/* Indicate explicitly to the OS that we are not interested in info
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/* clean up child processes immediately */
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* about child processes (per POSIX.1-2001) */
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sigchld(0);
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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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@ -2136,6 +2136,20 @@ 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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/* We should be able to remove this function in favor of a simple
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* signal(SIGCHLD, SIG_IGN);
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* but the Xwayland implementation in wlroots currently prevents us from
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* setting our own disposition for SIGCHLD.
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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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