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-rw-r--r--sway/log.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/sway/log.c b/sway/log.c
index a7d73d5c..bea30837 100644
--- a/sway/log.c
+++ b/sway/log.c
@@ -8,6 +8,7 @@
#include <signal.h>
#include <errno.h>
#include <string.h>
+#include <execinfo.h>
int colored = 1;
log_importance_t v = L_SILENT;
@@ -30,6 +31,8 @@ void init_log(log_importance_t verbosity) {
fcntl(fd[i], F_SETFD, flag | FD_CLOEXEC);
}
}
+ signal(SIGSEGV, error_handler);
+ signal(SIGABRT, error_handler);
}
void sway_log_colors(int mode) {
@@ -114,6 +117,28 @@ bool sway_assert(bool condition, const char* format, ...) {
return false;
}
+void error_handler(int sig) {
+ int i;
+ int max_lines = 20;
+ void *array[max_lines];
+ char **bt;
+ size_t bt_len;
+
+ sway_log(L_ERROR, "Error: Signal %d. Printing backtrace", sig);
+ bt_len = backtrace(array, max_lines);
+ bt = backtrace_symbols(array, bt_len);
+ if (!bt) {
+ sway_log(L_ERROR, "Could not allocate sufficient memory for backtrace_symbols(), falling back to stderr");
+ backtrace_symbols_fd(array, bt_len, STDERR_FILENO);
+ exit(1);
+ }
+
+ for (i = 0; (size_t)i < bt_len; i++) {
+ sway_log(L_ERROR, "Backtrace: %s", bt[i]);
+ }
+ exit(1);
+}
+
#include "workspace.h"
/* XXX:DEBUG:XXX */