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Remove SIGSERV and SIGABORT handler

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From now on let's just let the core dumps happen and ask users to
provide them.
This commit is contained in:
Drew DeVault 2016-07-17 11:29:29 -04:00
parent 3bb880bf20
commit c8917395c0
1 changed files with 1 additions and 46 deletions
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47
common/log.c
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@ -30,8 +30,6 @@ void init_log(log_importance_t verbosity) {
loglevel_default = verbosity; loglevel_default = verbosity;
} }
v = verbosity; v = verbosity;
signal(SIGSEGV, error_handler);
signal(SIGABRT, error_handler);
} }
void set_log_level(log_importance_t verbosity) { void set_log_level(log_importance_t verbosity) {
@ -39,7 +37,7 @@ void set_log_level(log_importance_t verbosity) {
} }
log_importance_t get_log_level(void) { log_importance_t get_log_level(void) {
return v; return v;
} }
void reset_log_level(void) { void reset_log_level(void) {
@ -136,46 +134,3 @@ bool _sway_assert(bool condition, const char* format, ...) {
return false; return false;
} }
void error_handler(int sig) {
#if SWAY_Backtrace_FOUND
int i;
int max_lines = 20;
void *array[max_lines];
char **bt;
size_t bt_len;
char maps_file[256];
char maps_buffer[1024];
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]);
}
sway_log(L_ERROR, "Maps:");
pid_t pid = getpid();
if (snprintf(maps_file, 255, "/proc/%zd/maps", (size_t)pid) < 255) {
FILE *maps = fopen(maps_file, "r");
while (!feof(maps)) {
char *m = read_line_buffer(maps, maps_buffer, 1024);
if (!m) {
sway_log(L_ERROR, "Unable to allocate memory to show maps");
break;
}
sway_log(L_ERROR, "%s", m);
}
fclose(maps);
}
#else
sway_log(L_ERROR, "Error: Signal %d.", sig);
#endif
exit(1);
}