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move sigchld() into XWayland section

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This commit is contained in:
Devin J. Pohly 2022-03-29 16:09:29 -05:00
parent e08bd12922
commit 0ddde0c85a
1 changed files with 24 additions and 20 deletions
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44
dwl.c
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@ -258,7 +258,6 @@ 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 startdrag(struct wl_listener *listener, void *data);
static void tag(const Arg *arg);
@ -341,6 +340,7 @@ static void activatex11(struct wl_listener *listener, void *data);
static void configurex11(struct wl_listener *listener, void *data);
static void createnotifyx11(struct wl_listener *listener, void *data);
static Atom getatom(xcb_connection_t *xc, const char *name);
static void sigchld(int unused);
static void xwaylandready(struct wl_listener *listener, void *data);
static struct wl_listener new_xwayland_surface = {.notify = createnotifyx11};
static struct wl_listener xwayland_ready = {.notify = xwaylandready};
@ -1762,7 +1762,11 @@ setup(void)
dpy = wl_display_create();
/* Set up signal handlers */
#ifdef XWAYLAND
sigchld(0);
#else
signal(SIGCHLD, SIG_IGN);
#endif
signal(SIGINT, quitsignal);
signal(SIGTERM, quitsignal);
@ -1922,25 +1926,6 @@ setup(void)
#endif
}
void
sigchld(int unused)
{
siginfo_t in;
/* We should be able to remove this function in favor of a simple
* signal(SIGCHLD, SIG_IGN);
* but the Xwayland implementation in wlroots currently prevents us from
* setting our own disposition for SIGCHLD.
*/
if (signal(SIGCHLD, sigchld) == SIG_ERR)
EBARF("can't install SIGCHLD handler");
/* WNOWAIT leaves the child in a waitable state, in case this is the
* XWayland process
*/
while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid
&& in.si_pid != xwayland->server->pid)
waitpid(in.si_pid, NULL, 0);
}
void
spawn(const Arg *arg)
{
@ -2317,6 +2302,25 @@ getatom(xcb_connection_t *xc, const char *name)
return atom;
}
void
sigchld(int unused)
{
siginfo_t in;
/* We should be able to remove this function in favor of a simple
* signal(SIGCHLD, SIG_IGN);
* but the Xwayland implementation in wlroots currently prevents us from
* setting our own disposition for SIGCHLD.
*/
if (signal(SIGCHLD, sigchld) == SIG_ERR)
EBARF("can't install SIGCHLD handler");
/* WNOWAIT leaves the child in a waitable state, in case this is the
* XWayland process
*/
while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid
&& in.si_pid != xwayland->server->pid)
waitpid(in.si_pid, NULL, 0);
}
void
xwaylandready(struct wl_listener *listener, void *data)
{