ASAN: trigger leak before exiting
This disables the default leak-check-on-exit behavior which reports a bunch of leaks that are only leaks while exiting, at which point they don’t matter, because the operating system will clean up the memory our process used.
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@ -17,6 +17,9 @@
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#include <sys/un.h>
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#include <i3/ipc.h>
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#include <ev.h>
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#ifdef I3_ASAN_ENABLED
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#include <sanitizer/lsan_interface.h>
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#endif
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#include "common.h"
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@ -212,6 +215,9 @@ void got_data(struct ev_loop *loop, ev_io *watcher, int events) {
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/* EOF received. Since i3 will restart i3bar instances as appropriate,
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* we exit here. */
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DLOG("EOF received, exiting...\n");
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#ifdef I3_ASAN_ENABLED
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__lsan_do_leak_check();
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#endif
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clean_xcb();
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exit(EXIT_SUCCESS);
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}
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@ -32,6 +32,10 @@
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#include <X11/XKBlib.h>
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#include <X11/extensions/XKB.h>
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#ifdef I3_ASAN_ENABLED
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#include <sanitizer/lsan_interface.h>
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#endif
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#include "common.h"
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#include "libi3.h"
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@ -1070,6 +1074,9 @@ void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
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if (xcb_connection_has_error(xcb_connection)) {
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ELOG("X11 connection was closed unexpectedly - maybe your X server terminated / crashed?\n");
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#ifdef I3_ASAN_ENABLED
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__lsan_do_leak_check();
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#endif
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exit(1);
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}
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@ -12,6 +12,10 @@
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#include <float.h>
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#include <stdarg.h>
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#ifdef I3_ASAN_ENABLED
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#include <sanitizer/lsan_interface.h>
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#endif
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#include "all.h"
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#include "shmlog.h"
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@ -1658,6 +1662,9 @@ void cmd_layout_toggle(I3_CMD, const char *toggle_mode) {
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*/
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void cmd_exit(I3_CMD) {
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LOG("Exiting due to user command.\n");
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#ifdef I3_ASAN_ENABLED
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__lsan_do_leak_check();
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#endif
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ipc_shutdown();
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unlink(config.ipc_socket_path);
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xcb_disconnect(conn);
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@ -13,6 +13,10 @@
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*/
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#include "all.h"
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#ifdef I3_ASAN_ENABLED
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#include <sanitizer/lsan_interface.h>
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#endif
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typedef struct placeholder_state {
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/** The X11 placeholder window. */
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xcb_window_t window;
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@ -114,6 +118,9 @@ void restore_connect(void) {
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if (restore_conn != NULL) {
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xcb_disconnect(restore_conn);
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}
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#ifdef I3_ASAN_ENABLED
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__lsan_do_leak_check();
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#endif
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errx(EXIT_FAILURE, "Cannot open display\n");
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}
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