We now have a launcher interface and distinct implementations for logind, weston-launch, and direct DRM, each in their own files. This helps up clean up the spaghetti code into something that's hopefully a bit more understood. There should be no functional changes here. Reviewed-by: Derek Foreman <derekf@osg.samsung.com> update: Dropped redundant free() in weston_launcher_destroy()dev
Jasper St. Pierre
9 years ago
committed by
Bryce Harrington
parent
30bcf35ceb
commit
72dea06d79
@ -0,0 +1,315 @@ |
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/*
|
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* Copyright © 2012 Benjamin Franzke |
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* Copyright © 2013 Intel Corporation |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that the above copyright notice appear in all copies and that both that |
||||
* copyright notice and this permission notice appear in supporting |
||||
* documentation, and that the name of the copyright holders not be used in |
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* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include "config.h" |
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#include "compositor.h" |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <signal.h> |
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#include <sys/stat.h> |
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#include <sys/ioctl.h> |
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#include <linux/vt.h> |
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#include <linux/kd.h> |
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#include <linux/major.h> |
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#include "launcher-impl.h" |
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#define DRM_MAJOR 226 |
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#ifndef KDSKBMUTE |
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#define KDSKBMUTE 0x4B51 |
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#endif |
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#ifdef HAVE_LIBDRM |
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#include <xf86drm.h> |
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static inline int |
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is_drm_master(int drm_fd) |
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{ |
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drm_magic_t magic; |
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return drmGetMagic(drm_fd, &magic) == 0 && |
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drmAuthMagic(drm_fd, magic) == 0; |
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} |
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#else |
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static inline int |
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drmDropMaster(int drm_fd) |
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{ |
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return 0; |
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} |
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static inline int |
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drmSetMaster(int drm_fd) |
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{ |
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return 0; |
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} |
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static inline int |
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is_drm_master(int drm_fd) |
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{ |
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return 0; |
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} |
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#endif |
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struct launcher_direct { |
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struct weston_launcher base; |
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struct weston_compositor *compositor; |
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int kb_mode, tty, drm_fd; |
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struct wl_event_source *vt_source; |
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}; |
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static int |
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vt_handler(int signal_number, void *data) |
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{ |
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struct launcher_direct *launcher = data; |
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struct weston_compositor *compositor = launcher->compositor; |
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if (compositor->session_active) { |
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compositor->session_active = 0; |
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wl_signal_emit(&compositor->session_signal, compositor); |
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drmDropMaster(launcher->drm_fd); |
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ioctl(launcher->tty, VT_RELDISP, 1); |
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} else { |
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ioctl(launcher->tty, VT_RELDISP, VT_ACKACQ); |
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drmSetMaster(launcher->drm_fd); |
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compositor->session_active = 1; |
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wl_signal_emit(&compositor->session_signal, compositor); |
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} |
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return 1; |
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} |
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static int |
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setup_tty(struct launcher_direct *launcher, int tty) |
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{ |
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struct wl_event_loop *loop; |
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struct vt_mode mode = { 0 }; |
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struct stat buf; |
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char tty_device[32] ="<stdin>"; |
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int ret, kd_mode; |
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if (tty == 0) { |
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launcher->tty = dup(tty); |
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if (launcher->tty == -1) { |
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weston_log("couldn't dup stdin: %m\n"); |
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return -1; |
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} |
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} else { |
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snprintf(tty_device, sizeof tty_device, "/dev/tty%d", tty); |
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launcher->tty = open(tty_device, O_RDWR | O_CLOEXEC); |
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if (launcher->tty == -1) { |
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weston_log("couldn't open tty %s: %m\n", tty_device); |
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return -1; |
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} |
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} |
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if (fstat(launcher->tty, &buf) == -1 || |
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major(buf.st_rdev) != TTY_MAJOR || minor(buf.st_rdev) == 0) { |
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weston_log("%s not a vt\n", tty_device); |
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weston_log("if running weston from ssh, " |
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"use --tty to specify a tty\n"); |
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goto err_close; |
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} |
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ret = ioctl(launcher->tty, KDGETMODE, &kd_mode); |
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if (ret) { |
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weston_log("failed to get VT mode: %m\n"); |
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return -1; |
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} |
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if (kd_mode != KD_TEXT) { |
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weston_log("%s is already in graphics mode, " |
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"is another display server running?\n", tty_device); |
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goto err_close; |
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} |
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ioctl(launcher->tty, VT_ACTIVATE, minor(buf.st_rdev)); |
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ioctl(launcher->tty, VT_WAITACTIVE, minor(buf.st_rdev)); |
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if (ioctl(launcher->tty, KDGKBMODE, &launcher->kb_mode)) { |
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weston_log("failed to read keyboard mode: %m\n"); |
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goto err_close; |
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} |
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if (ioctl(launcher->tty, KDSKBMUTE, 1) && |
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ioctl(launcher->tty, KDSKBMODE, K_OFF)) { |
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weston_log("failed to set K_OFF keyboard mode: %m\n"); |
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goto err_close; |
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} |
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ret = ioctl(launcher->tty, KDSETMODE, KD_GRAPHICS); |
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if (ret) { |
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weston_log("failed to set KD_GRAPHICS mode on tty: %m\n"); |
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goto err_close; |
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} |
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/*
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* SIGRTMIN is used as global VT-acquire+release signal. Note that |
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* SIGRT* must be tested on runtime, as their exact values are not |
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* known at compile-time. POSIX requires 32 of them to be available. |
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*/ |
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if (SIGRTMIN > SIGRTMAX) { |
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weston_log("not enough RT signals available: %u-%u\n", |
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SIGRTMIN, SIGRTMAX); |
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ret = -EINVAL; |
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goto err_close; |
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} |
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mode.mode = VT_PROCESS; |
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mode.relsig = SIGRTMIN; |
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mode.acqsig = SIGRTMIN; |
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if (ioctl(launcher->tty, VT_SETMODE, &mode) < 0) { |
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weston_log("failed to take control of vt handling\n"); |
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goto err_close; |
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} |
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loop = wl_display_get_event_loop(launcher->compositor->wl_display); |
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launcher->vt_source = |
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wl_event_loop_add_signal(loop, SIGRTMIN, vt_handler, launcher); |
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if (!launcher->vt_source) |
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goto err_close; |
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return 0; |
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err_close: |
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close(launcher->tty); |
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return -1; |
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} |
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static int |
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launcher_direct_open(struct weston_launcher *launcher_base, const char *path, int flags) |
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{ |
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struct launcher_direct *launcher = wl_container_of(launcher_base, launcher, base); |
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struct stat s; |
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int fd; |
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fd = open(path, flags | O_CLOEXEC); |
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if (fd == -1) |
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return -1; |
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if (fstat(fd, &s) == -1) { |
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close(fd); |
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return -1; |
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} |
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if (major(s.st_rdev) == DRM_MAJOR) { |
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launcher->drm_fd = fd; |
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if (!is_drm_master(fd)) { |
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weston_log("drm fd not master\n"); |
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close(fd); |
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return -1; |
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} |
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} |
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return fd; |
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} |
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static void |
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launcher_direct_close(struct weston_launcher *launcher_base, int fd) |
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{ |
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close(fd); |
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} |
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static void |
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launcher_direct_restore(struct weston_launcher *launcher_base) |
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{ |
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struct launcher_direct *launcher = wl_container_of(launcher_base, launcher, base); |
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struct vt_mode mode = { 0 }; |
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if (ioctl(launcher->tty, KDSKBMUTE, 0) && |
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ioctl(launcher->tty, KDSKBMODE, launcher->kb_mode)) |
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weston_log("failed to restore kb mode: %m\n"); |
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if (ioctl(launcher->tty, KDSETMODE, KD_TEXT)) |
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weston_log("failed to set KD_TEXT mode on tty: %m\n"); |
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/* We have to drop master before we switch the VT back in
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* VT_AUTO, so we don't risk switching to a VT with another |
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* display server, that will then fail to set drm master. */ |
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drmDropMaster(launcher->drm_fd); |
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mode.mode = VT_AUTO; |
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if (ioctl(launcher->tty, VT_SETMODE, &mode) < 0) |
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weston_log("could not reset vt handling\n"); |
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} |
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static int |
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launcher_direct_activate_vt(struct weston_launcher *launcher_base, int vt) |
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{ |
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struct launcher_direct *launcher = wl_container_of(launcher_base, launcher, base); |
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return ioctl(launcher->tty, VT_ACTIVATE, vt); |
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} |
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static int |
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launcher_direct_connect(struct weston_launcher **out, struct weston_compositor *compositor, |
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int tty, const char *seat_id, bool sync_drm) |
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{ |
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struct launcher_direct *launcher; |
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if (geteuid() != 0) |
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return -EINVAL; |
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launcher = zalloc(sizeof(*launcher)); |
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if (launcher == NULL) |
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return -ENOMEM; |
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launcher->base.iface = &launcher_direct_iface; |
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launcher->compositor = compositor; |
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if (setup_tty(launcher, tty) == -1) { |
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free(launcher); |
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return -1; |
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} |
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* (struct launcher_direct **) out = launcher; |
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return 0; |
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} |
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static void |
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launcher_direct_destroy(struct weston_launcher *launcher_base) |
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{ |
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struct launcher_direct *launcher = wl_container_of(launcher_base, launcher, base); |
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launcher_direct_restore(&launcher->base); |
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wl_event_source_remove(launcher->vt_source); |
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if (launcher->tty >= 0) |
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close(launcher->tty); |
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free(launcher); |
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} |
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struct launcher_interface launcher_direct_iface = { |
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launcher_direct_connect, |
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launcher_direct_destroy, |
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launcher_direct_open, |
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launcher_direct_close, |
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launcher_direct_activate_vt, |
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launcher_direct_restore, |
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}; |
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@ -0,0 +1,45 @@ |
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/*
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* Copyright © 2015 Jasper St. Pierre |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
||||
* that the above copyright notice appear in all copies and that both that |
||||
* copyright notice and this permission notice appear in supporting |
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* documentation, and that the name of the copyright holders not be used in |
||||
* advertising or publicity pertaining to distribution of the software |
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* without specific, written prior permission. The copyright holders make |
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* no representations about the suitability of this software for any |
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* purpose. It is provided "as is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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|
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#include "config.h" |
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|
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#include "compositor.h" |
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|
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struct weston_launcher; |
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struct launcher_interface { |
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int (* connect) (struct weston_launcher **launcher_out, struct weston_compositor *compositor, |
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int tty, const char *seat_id, bool sync_drm); |
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void (* destroy) (struct weston_launcher *launcher); |
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int (* open) (struct weston_launcher *launcher, const char *path, int flags); |
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void (* close) (struct weston_launcher *launcher, int fd); |
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int (* activate_vt) (struct weston_launcher *launcher, int vt); |
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void (* restore) (struct weston_launcher *launcher); |
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}; |
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|
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struct weston_launcher { |
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struct launcher_interface *iface; |
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}; |
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|
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extern struct launcher_interface launcher_logind_iface; |
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extern struct launcher_interface launcher_weston_launch_iface; |
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extern struct launcher_interface launcher_direct_iface; |
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@ -1,123 +0,0 @@ |
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/*
|
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* Copyright © 2013 David Herrmann |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
||||
* "Software"), to deal in the Software without restriction, including |
||||
* without limitation the rights to use, copy, modify, merge, publish, |
||||
* distribute, sublicense, and/or sell copies of the Software, and to |
||||
* permit persons to whom the Software is furnished to do so, subject to |
||||
* the following conditions: |
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* |
||||
* The above copyright notice and this permission notice (including the |
||||
* next paragraph) shall be included in all copies or substantial |
||||
* portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
||||
* SOFTWARE. |
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*/ |
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|
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#include "config.h" |
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|
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#include <errno.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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|
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#include "compositor.h" |
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|
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struct weston_logind; |
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|
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#if defined(HAVE_SYSTEMD_LOGIN) && defined(HAVE_DBUS) |
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|
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#include <systemd/sd-login.h> |
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|
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int |
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weston_logind_open(struct weston_logind *wl, const char *path, |
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int flags); |
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|
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void |
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weston_logind_close(struct weston_logind *wl, int fd); |
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|
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void |
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weston_logind_restore(struct weston_logind *wl); |
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|
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int |
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weston_logind_activate_vt(struct weston_logind *wl, int vt); |
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|
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int |
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weston_logind_connect(struct weston_logind **out, |
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struct weston_compositor *compositor, |
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const char *seat_id, int tty, bool sync_drm); |
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|
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void |
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weston_logind_destroy(struct weston_logind *wl); |
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|
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static inline int |
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weston_sd_session_get_vt(const char *sid, unsigned int *out) |
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{ |
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#ifdef HAVE_SYSTEMD_LOGIN_209 |
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return sd_session_get_vt(sid, out); |
||||
#else |
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int r; |
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char *tty; |
||||
|
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r = sd_session_get_tty(sid, &tty); |
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if (r < 0) |
||||
return r; |
||||
|
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r = sscanf(tty, "tty%u", out); |
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free(tty); |
||||
|
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if (r != 1) |
||||
return -EINVAL; |
||||
|
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return 0; |
||||
#endif |
||||
} |
||||
|
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#else /* defined(HAVE_SYSTEMD_LOGIN) && defined(HAVE_DBUS) */ |
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|
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static inline int |
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weston_logind_open(struct weston_logind *wl, const char *path, |
||||
int flags) |
||||
{ |
||||
return -ENOSYS; |
||||
} |
||||
|
||||
static inline void |
||||
weston_logind_close(struct weston_logind *wl, int fd) |
||||
{ |
||||
} |
||||
|
||||
static inline void |
||||
weston_logind_restore(struct weston_logind *wl) |
||||
{ |
||||
} |
||||
|
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static inline int |
||||
weston_logind_activate_vt(struct weston_logind *wl, int vt) |
||||
{ |
||||
return -ENOSYS; |
||||
} |
||||
|
||||
static inline int |
||||
weston_logind_connect(struct weston_logind **out, |
||||
struct weston_compositor *compositor, |
||||
const char *seat_id, int tty, bool sync_drm) |
||||
{ |
||||
return -ENOSYS; |
||||
} |
||||
|
||||
static inline void |
||||
weston_logind_destroy(struct weston_logind *wl) |
||||
{ |
||||
} |
||||
|
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#endif /* defined(HAVE_SYSTEMD_LOGIN) && defined(HAVE_DBUS) */ |
||||
@ -0,0 +1,302 @@ |
||||
/*
|
||||
* Copyright © 2012 Benjamin Franzke |
||||
* Copyright © 2013 Intel Corporation |
||||
* |
||||
* Permission to use, copy, modify, distribute, and sell this software and |
||||
* its documentation for any purpose is hereby granted without fee, provided |
||||
* that the above copyright notice appear in all copies and that both that |
||||
* copyright notice and this permission notice appear in supporting |
||||
* documentation, and that the name of the copyright holders not be used in |
||||
* advertising or publicity pertaining to distribution of the software |
||||
* without specific, written prior permission. The copyright holders make |
||||
* no representations about the suitability of this software for any |
||||
* purpose. It is provided "as is" without express or implied warranty. |
||||
* |
||||
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
||||
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
||||
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
||||
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
||||
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
||||
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
||||
*/ |
||||
|
||||
#include "config.h" |
||||
|
||||
#include <stdio.h> |
||||
#include <stdlib.h> |
||||
#include <string.h> |
||||
|
||||
#include <errno.h> |
||||
#include <signal.h> |
||||
#include <sys/socket.h> |
||||
#include <sys/types.h> |
||||
#include <sys/stat.h> |
||||
#include <sys/uio.h> |
||||
#include <sys/ioctl.h> |
||||
#include <fcntl.h> |
||||
#include <unistd.h> |
||||
#include <linux/vt.h> |
||||
#include <linux/kd.h> |
||||
#include <linux/major.h> |
||||
|
||||
#include "compositor.h" |
||||
#include "weston-launch.h" |
||||
#include "launcher-impl.h" |
||||
|
||||
#define DRM_MAJOR 226 |
||||
|
||||
#ifndef KDSKBMUTE |
||||
#define KDSKBMUTE 0x4B51 |
||||
#endif |
||||
|
||||
#ifdef HAVE_LIBDRM |
||||
|
||||
#include <xf86drm.h> |
||||
|
||||
static inline int |
||||
is_drm_master(int drm_fd) |
||||
{ |
||||
drm_magic_t magic; |
||||
|
||||
return drmGetMagic(drm_fd, &magic) == 0 && |
||||
drmAuthMagic(drm_fd, magic) == 0; |
||||
} |
||||
|
||||
#else |
||||
|
||||
static inline int |
||||
drmDropMaster(int drm_fd) |
||||
{ |
||||
return 0; |
||||
} |
||||
|
||||
static inline int |
||||
drmSetMaster(int drm_fd) |
||||
{ |
||||
return 0; |
||||
} |
||||
|
||||
static inline int |
||||
is_drm_master(int drm_fd) |
||||
{ |
||||
return 0; |
||||
} |
||||
|
||||
#endif |
||||
|
||||
|
||||
union cmsg_data { unsigned char b[4]; int fd; }; |
||||
|
||||
struct launcher_weston_launch { |
||||
struct weston_launcher base; |
||||
struct weston_compositor *compositor; |
||||
struct wl_event_loop *loop; |
||||
int fd; |
||||
struct wl_event_source *source; |
||||
|
||||
int kb_mode, tty, drm_fd; |
||||
struct wl_event_source *vt_source; |
||||
}; |
||||
|
||||
static int |
||||
launcher_weston_launch_open(struct weston_launcher *launcher_base, |
||||
const char *path, int flags) |
||||
{ |
||||
struct launcher_weston_launch *launcher = wl_container_of(launcher_base, launcher, base); |
||||
int n, ret; |
||||
struct msghdr msg; |
||||
struct cmsghdr *cmsg; |
||||
struct iovec iov; |
||||
union cmsg_data *data; |
||||
char control[CMSG_SPACE(sizeof data->fd)]; |
||||
ssize_t len; |
||||
struct weston_launcher_open *message; |
||||
|
||||
n = sizeof(*message) + strlen(path) + 1; |
||||
message = malloc(n); |
||||
if (!message) |
||||
return -1; |
||||
|
||||
message->header.opcode = WESTON_LAUNCHER_OPEN; |
||||
message->flags = flags; |
||||
strcpy(message->path, path); |
||||
|
||||
do { |
||||
len = send(launcher->fd, message, n, 0); |
||||
} while (len < 0 && errno == EINTR); |
||||
free(message); |
||||
|
||||
memset(&msg, 0, sizeof msg); |
||||
iov.iov_base = &ret; |
||||
iov.iov_len = sizeof ret; |
||||
msg.msg_iov = &iov; |
||||
msg.msg_iovlen = 1; |
||||
msg.msg_control = control; |
||||
msg.msg_controllen = sizeof control; |
||||
|
||||
do { |
||||
len = recvmsg(launcher->fd, &msg, MSG_CMSG_CLOEXEC); |
||||
} while (len < 0 && errno == EINTR); |
||||
|
||||
if (len != sizeof ret || |
||||
ret < 0) |
||||
return -1; |
||||
|
||||
cmsg = CMSG_FIRSTHDR(&msg); |
||||
if (!cmsg || |
||||
cmsg->cmsg_level != SOL_SOCKET || |
||||
cmsg->cmsg_type != SCM_RIGHTS) { |
||||
fprintf(stderr, "invalid control message\n"); |
||||
return -1; |
||||
} |
||||
|
||||
data = (union cmsg_data *) CMSG_DATA(cmsg); |
||||
if (data->fd == -1) { |
||||
fprintf(stderr, "missing drm fd in socket request\n"); |
||||
return -1; |
||||
} |
||||
|
||||
return data->fd; |
||||
} |
||||
|
||||
static void |
||||
launcher_weston_launch_close(struct weston_launcher *launcher_base, int fd) |
||||
{ |
||||
close(fd); |
||||
} |
||||
|
||||
static void |
||||
launcher_weston_launch_restore(struct weston_launcher *launcher_base) |
||||
{ |
||||
struct launcher_weston_launch *launcher = wl_container_of(launcher_base, launcher, base); |
||||
struct vt_mode mode = { 0 }; |
||||
|
||||
if (ioctl(launcher->tty, KDSKBMUTE, 0) && |
||||
ioctl(launcher->tty, KDSKBMODE, launcher->kb_mode)) |
||||
weston_log("failed to restore kb mode: %m\n"); |
||||
|
||||
if (ioctl(launcher->tty, KDSETMODE, KD_TEXT)) |
||||
weston_log("failed to set KD_TEXT mode on tty: %m\n"); |
||||
|
||||
/* We have to drop master before we switch the VT back in
|
||||
* VT_AUTO, so we don't risk switching to a VT with another |
||||
* display server, that will then fail to set drm master. */ |
||||
drmDropMaster(launcher->drm_fd); |
||||
|
||||
mode.mode = VT_AUTO; |
||||
if (ioctl(launcher->tty, VT_SETMODE, &mode) < 0) |
||||
weston_log("could not reset vt handling\n"); |
||||
} |
||||
|
||||
static int |
||||
launcher_weston_launch_data(int fd, uint32_t mask, void *data) |
||||
{ |
||||
struct launcher_weston_launch *launcher = data; |
||||
int len, ret; |
||||
|
||||
if (mask & (WL_EVENT_HANGUP | WL_EVENT_ERROR)) { |
||||
weston_log("launcher socket closed, exiting\n"); |
||||
/* Normally the weston-launch will reset the tty, but
|
||||
* in this case it died or something, so do it here so |
||||
* we don't end up with a stuck vt. */ |
||||
launcher_weston_launch_restore(&launcher->base); |
||||
exit(-1); |
||||
} |
||||
|
||||
do { |
||||
len = recv(launcher->fd, &ret, sizeof ret, 0); |
||||
} while (len < 0 && errno == EINTR); |
||||
|
||||
switch (ret) { |
||||
case WESTON_LAUNCHER_ACTIVATE: |
||||
launcher->compositor->session_active = 1; |
||||
wl_signal_emit(&launcher->compositor->session_signal, |
||||
launcher->compositor); |
||||
break; |
||||
case WESTON_LAUNCHER_DEACTIVATE: |
||||
launcher->compositor->session_active = 0; |
||||
wl_signal_emit(&launcher->compositor->session_signal, |
||||
launcher->compositor); |
||||
break; |
||||
default: |
||||
weston_log("unexpected event from weston-launch\n"); |
||||
break; |
||||
} |
||||
|
||||
return 1; |
||||
} |
||||
|
||||
static int |
||||
launcher_weston_launch_activate_vt(struct weston_launcher *launcher_base, int vt) |
||||
{ |
||||
struct launcher_weston_launch *launcher = wl_container_of(launcher_base, launcher, base); |
||||
return ioctl(launcher->tty, VT_ACTIVATE, vt); |
||||
} |
||||
|
||||
static int |
||||
launcher_weston_launch_connect(struct weston_launcher **out, struct weston_compositor *compositor, |
||||
int tty, const char *seat_id, bool sync_drm) |
||||
{ |
||||
struct launcher_weston_launch *launcher; |
||||
struct wl_event_loop *loop; |
||||
|
||||
launcher = malloc(sizeof *launcher); |
||||
if (launcher == NULL) |
||||
return -ENOMEM; |
||||
|
||||
launcher->base.iface = &launcher_weston_launch_iface; |
||||
* (struct launcher_weston_launch **) out = launcher; |
||||
launcher->compositor = compositor; |
||||
launcher->drm_fd = -1; |
||||
launcher->fd = weston_environment_get_fd("WESTON_LAUNCH_SOCK"); |
||||
if (launcher->fd != -1) { |
||||
launcher->tty = weston_environment_get_fd("WESTON_TTY_FD"); |
||||
/* We don't get a chance to read out the original kb
|
||||
* mode for the tty, so just hard code K_UNICODE here |
||||
* in case we have to clean if weston-launch dies. */ |
||||
launcher->kb_mode = K_UNICODE; |
||||
|
||||
loop = wl_display_get_event_loop(compositor->wl_display); |
||||
launcher->source = wl_event_loop_add_fd(loop, launcher->fd, |
||||
WL_EVENT_READABLE, |
||||
launcher_weston_launch_data, |
||||
launcher); |
||||
if (launcher->source == NULL) { |
||||
free(launcher); |
||||
return -ENOMEM; |
||||
} |
||||
|
||||
return 0; |
||||
} else { |
||||
return -1; |
||||
} |
||||
} |
||||
|
||||
static void |
||||
launcher_weston_launch_destroy(struct weston_launcher *launcher_base) |
||||
{ |
||||
struct launcher_weston_launch *launcher = wl_container_of(launcher_base, launcher, base); |
||||
|
||||
if (launcher->fd != -1) { |
||||
close(launcher->fd); |
||||
wl_event_source_remove(launcher->source); |
||||
} else { |
||||
launcher_weston_launch_restore(&launcher->base); |
||||
wl_event_source_remove(launcher->vt_source); |
||||
} |
||||
|
||||
if (launcher->tty >= 0) |
||||
close(launcher->tty); |
||||
|
||||
free(launcher); |
||||
} |
||||
|
||||
struct launcher_interface launcher_weston_launch_iface = { |
||||
launcher_weston_launch_connect, |
||||
launcher_weston_launch_destroy, |
||||
launcher_weston_launch_open, |
||||
launcher_weston_launch_close, |
||||
launcher_weston_launch_activate_vt, |
||||
launcher_weston_launch_restore, |
||||
}; |
||||
Loading…
Reference in new issue