-#undef I3__FILE__
-#define I3__FILE__ "main.c"
/*
* vim:ts=4:sw=4:expandtab
*
* main.c: Initialization, main loop
*
*/
+#include "all.h"
+
#include <ev.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <libgen.h>
-#include "all.h"
#include "shmlog.h"
+#ifdef I3_ASAN_ENABLED
+#include <sanitizer/lsan_interface.h>
+#endif
+
#include "sd-daemon.h"
/* The original value of RLIMIT_CORE when i3 was started. We need to restore
/** The number of file descriptors passed via socket activation. */
int listen_fds;
-/* We keep the xcb_check watcher around to be able to enable and disable it
+/* We keep the xcb_prepare watcher around to be able to enable and disable it
* temporarily for drag_pointer(). */
-static struct ev_check *xcb_check;
+static struct ev_prepare *xcb_prepare;
extern Con *focused;
bool xcursor_supported = true;
bool xkb_supported = true;
+bool force_xinerama = false;
+
/*
- * This callback is only a dummy, see xcb_prepare_cb and xcb_check_cb.
+ * This callback is only a dummy, see xcb_prepare_cb.
* See also man libev(3): "ev_prepare" and "ev_check" - customise your event loop
*
*/
static void xcb_got_event(EV_P_ struct ev_io *w, int revents) {
- /* empty, because xcb_prepare_cb and xcb_check_cb are used */
+ /* empty, because xcb_prepare_cb are used */
}
/*
- * Flush before blocking (and waiting for new events)
+ * Called just before the event loop sleeps. Ensures xcb’s incoming and outgoing
+ * queues are empty so that any activity will trigger another event loop
+ * iteration, and hence another xcb_prepare_cb invocation.
*
*/
static void xcb_prepare_cb(EV_P_ ev_prepare *w, int revents) {
- xcb_flush(conn);
-}
-
-/*
- * Instead of polling the X connection socket we leave this to
- * xcb_poll_for_event() which knows better than we can ever know.
- *
- */
-static void xcb_check_cb(EV_P_ ev_check *w, int revents) {
+ /* Process all queued (and possibly new) events before the event loop
+ sleeps. */
xcb_generic_event_t *event;
while ((event = xcb_poll_for_event(conn)) != NULL) {
free(event);
}
+
+ /* Flush all queued events to X11. */
+ xcb_flush(conn);
}
/*
void main_set_x11_cb(bool enable) {
DLOG("Setting main X11 callback to enabled=%d\n", enable);
if (enable) {
- ev_check_start(main_loop, xcb_check);
+ ev_prepare_start(main_loop, xcb_prepare);
/* Trigger the watcher explicitly to handle all remaining X11 events.
* drag_pointer()’s event handler exits in the middle of the loop. */
- ev_feed_event(main_loop, xcb_check, 0);
+ ev_feed_event(main_loop, xcb_prepare, 0);
} else {
- ev_check_stop(main_loop, xcb_check);
+ ev_prepare_stop(main_loop, xcb_prepare);
}
}
int main(int argc, char *argv[]) {
/* Keep a symbol pointing to the I3_VERSION string constant so that we have
* it in gdb backtraces. */
- const char *_i3_version __attribute__((unused)) = i3_version;
+ static const char *_i3_version __attribute__((used)) = I3_VERSION;
char *override_configpath = NULL;
bool autostart = true;
char *layout_path = NULL;
bool delete_layout_path = false;
- bool force_xinerama = false;
+ bool disable_randr15 = false;
char *fake_outputs = NULL;
bool disable_signalhandler = false;
bool only_check_config = false;
{"restart", required_argument, 0, 0},
{"force-xinerama", no_argument, 0, 0},
{"force_xinerama", no_argument, 0, 0},
+ {"disable-randr15", no_argument, 0, 0},
+ {"disable_randr15", no_argument, 0, 0},
{"disable-signalhandler", no_argument, 0, 0},
{"shmlog-size", required_argument, 0, 0},
{"shmlog_size", required_argument, 0, 0},
"Please check if your driver really does not support RandR "
"and disable this option as soon as you can.\n");
break;
+ } else if (strcmp(long_options[option_index].name, "disable-randr15") == 0 ||
+ strcmp(long_options[option_index].name, "disable_randr15") == 0) {
+ disable_randr15 = true;
+ break;
} else if (strcmp(long_options[option_index].name, "disable-signalhandler") == 0) {
disable_signalhandler = true;
break;
memset(&addr, 0, sizeof(struct sockaddr_un));
addr.sun_family = AF_LOCAL;
strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path) - 1);
+ FREE(socket_path);
if (connect(sockfd, (const struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0)
err(EXIT_FAILURE, "Could not connect to i3");
- if (ipc_send_message(sockfd, strlen(payload), I3_IPC_MESSAGE_TYPE_COMMAND,
+ if (ipc_send_message(sockfd, strlen(payload), I3_IPC_MESSAGE_TYPE_RUN_COMMAND,
(uint8_t *)payload) == -1)
err(EXIT_FAILURE, "IPC: write()");
+ FREE(payload);
uint32_t reply_length;
uint32_t reply_type;
err(EXIT_FAILURE, "IPC: read()");
return 1;
}
- if (reply_type != I3_IPC_MESSAGE_TYPE_COMMAND)
- errx(EXIT_FAILURE, "IPC: received reply of type %d but expected %d (COMMAND)", reply_type, I3_IPC_MESSAGE_TYPE_COMMAND);
+ if (reply_type != I3_IPC_REPLY_TYPE_COMMAND)
+ errx(EXIT_FAILURE, "IPC: received reply of type %d but expected %d (COMMAND)", reply_type, I3_IPC_REPLY_TYPE_COMMAND);
printf("%.*s\n", reply_length, reply);
+ FREE(reply);
return 0;
}
memset(cwd, '\0', cwd_size);
if (read(patternfd, cwd, cwd_size) > 0)
/* a trailing newline is included in cwd */
- LOG("CORE DUMPS: Your core_pattern is: \"%s\".\n", cwd);
+ LOG("CORE DUMPS: Your core_pattern is: %s", cwd);
close(patternfd);
}
free(cwd);
visual_type = get_visualtype(root_screen);
}
+ init_dpi();
+
DLOG("root_depth = %d, visual_id = 0x%08x.\n", root_depth, visual_type->visual_id);
- DLOG("root_screen->height_in_pixels = %d, root_screen->height_in_millimeters = %d, dpi = %d\n",
- root_screen->height_in_pixels, root_screen->height_in_millimeters,
- (int)((double)root_screen->height_in_pixels * 25.4 / (double)root_screen->height_in_millimeters));
+ DLOG("root_screen->height_in_pixels = %d, root_screen->height_in_millimeters = %d\n",
+ root_screen->height_in_pixels, root_screen->height_in_millimeters);
DLOG("One logical pixel corresponds to %d physical pixels on this display.\n", logical_px(1));
xcb_get_geometry_cookie_t gcookie = xcb_get_geometry(conn, root);
config.ipc_socket_path = sstrdup(config.ipc_socket_path);
}
+ if (config.force_xinerama) {
+ force_xinerama = true;
+ }
+
xcb_void_cookie_t cookie;
cookie = xcb_change_window_attributes_checked(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]){ROOT_EVENT_MASK});
xcb_generic_error_t *error = xcb_request_check(conn, cookie);
if (error != NULL) {
ELOG("Another window manager seems to be running (X error %d)\n", error->error_code);
+#ifdef I3_ASAN_ENABLED
+ __lsan_do_leak_check();
+#endif
return 1;
}
xcb_xkb_per_client_flags_reply_t *pcf_reply;
/* The last three parameters are unset because they are only relevant
* when using a feature called “automatic reset of boolean controls”:
- * http://www.x.org/releases/X11R7.7/doc/kbproto/xkbproto.html#Automatic_Reset_of_Boolean_Controls
+ * https://www.x.org/releases/X11R7.7/doc/kbproto/xkbproto.html#Automatic_Reset_of_Boolean_Controls
* */
pcf_reply = xcb_xkb_per_client_flags_reply(
conn,
fake_outputs_init(fake_outputs);
FREE(fake_outputs);
config.fake_outputs = NULL;
- } else if (force_xinerama || config.force_xinerama) {
+ } else if (force_xinerama) {
/* Force Xinerama (for drivers which don't support RandR yet, esp. the
* nVidia binary graphics driver), when specified either in the config
* file or on command-line */
xinerama_init();
} else {
DLOG("Checking for XRandR...\n");
- randr_init(&randr_base);
+ randr_init(&randr_base, disable_randr15 || config.disable_randr15);
}
/* We need to force disabling outputs which have been loaded from the
TAILQ_FOREACH(con, &(croot->nodes_head), nodes) {
Output *output;
TAILQ_FOREACH(output, &outputs, outputs) {
- if (output->active || strcmp(con->name, output->name) != 0)
+ if (output->active || strcmp(con->name, output_primary_name(output)) != 0)
continue;
/* This will correctly correlate the output with its content
ewmh_update_desktop_viewport();
struct ev_io *xcb_watcher = scalloc(1, sizeof(struct ev_io));
- xcb_check = scalloc(1, sizeof(struct ev_check));
- struct ev_prepare *xcb_prepare = scalloc(1, sizeof(struct ev_prepare));
+ xcb_prepare = scalloc(1, sizeof(struct ev_prepare));
ev_io_init(xcb_watcher, xcb_got_event, xcb_get_file_descriptor(conn), EV_READ);
ev_io_start(main_loop, xcb_watcher);
- ev_check_init(xcb_check, xcb_check_cb);
- ev_check_start(main_loop, xcb_check);
-
ev_prepare_init(xcb_prepare, xcb_prepare_cb);
ev_prepare_start(main_loop, xcb_prepare);