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Added in backtrace printing

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This commit is contained in:
Luminarys 2015-08-24 15:44:58 -05:00
parent dbad30a409
commit 7c5b6f8c52
2 changed files with 26 additions and 0 deletions
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1
include/log.h
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@ -16,6 +16,7 @@ void sway_log(log_importance_t verbosity, const char* format, ...) __attribute__
void sway_log_errno(log_importance_t verbosity, char* format, ...) __attribute__((format(printf,2,3)));
void sway_abort(const char* format, ...) __attribute__((format(printf,1,2)));
bool sway_assert(bool condition, const char* format, ...) __attribute__((format(printf,2,3)));
void error_handler(int sig);
void layout_log(const swayc_t *c, int depth);
#endif

25
sway/log.c
View file

@ -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 */