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Use SIGUSR2 for vt switching instead of SIGUSR1 

Xwayland uses SIGUSR1 to signal readiness.
With direct(-freebsd) session and Xwayland, wlroots was confusing the
Xwayland readiness signal with a vt switch signal, freezing the desktop.

Same problem was found in Weston in 2014:
https://phabricator.freedesktop.org/T7080
This commit is contained in:
Greg V 2017-11-22 15:57:05 +03:00
parent 71aa634ac5
commit 1ae944c071
3 changed files with 8 additions and 6 deletions
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6
backend/session/direct-freebsd.c
View File

@ -148,8 +148,8 @@ static bool setup_tty(struct direct_session *session, struct wl_display *display
struct vt_mode mode = {
.mode = VT_PROCESS,
.relsig = SIGUSR1,
.acqsig = SIGUSR1,
.relsig = SIGUSR2,
.acqsig = SIGUSR2,
.frsig = SIGIO, // has to be set
};
@ -159,7 +159,7 @@ static bool setup_tty(struct direct_session *session, struct wl_display *display
}
struct wl_event_loop *loop = wl_display_get_event_loop(display);
session->vt_source = wl_event_loop_add_signal(loop, SIGUSR1,
session->vt_source = wl_event_loop_add_signal(loop, SIGUSR2,
vt_handler, session);
if (!session->vt_source) {
goto error;

6
backend/session/direct.c
View File

@ -184,8 +184,8 @@ static bool setup_tty(struct direct_session *session, struct wl_display *display
struct vt_mode mode = {
.mode = VT_PROCESS,
.relsig = SIGUSR1,
.acqsig = SIGUSR1,
.relsig = SIGUSR2,
.acqsig = SIGUSR2,
};
if (ioctl(fd, VT_SETMODE, &mode) < 0) {
@ -194,7 +194,7 @@ static bool setup_tty(struct direct_session *session, struct wl_display *display
}
struct wl_event_loop *loop = wl_display_get_event_loop(display);
session->vt_source = wl_event_loop_add_signal(loop, SIGUSR1,
session->vt_source = wl_event_loop_add_signal(loop, SIGUSR2,
vt_handler, session);
if (!session->vt_source) {
goto error;

2
xwayland/sockets.c
View File

@ -21,7 +21,9 @@
static const char *lock_fmt = "/tmp/.X%d-lock";
static const char *socket_dir = "/tmp/.X11-unix";
static const char *socket_fmt = "/tmp/.X11-unix/X%d";
#ifndef __linux__
static const char *socket_fmt2 = "/tmp/.X11-unix/X%d_";
#endif
static int open_socket(struct sockaddr_un *addr, size_t path_size) {
int fd, rc;