void __traceobj_mark(struct traceobj *trobj,
const char *file, int line, int mark)
{
struct tracemark *tmk;
struct service svc;
int cur_mark;
CANCEL_DEFER(svc);
pthread_testcancel();
push_cleanup_lock(&trobj->lock);
write_lock(&trobj->lock);
cur_mark = trobj->cur_mark;
if (cur_mark >= trobj->nr_marks) {
dump_marks(trobj);
panic("too many marks: [%d] at %s:%d", mark, file, line);
}
tmk = trobj->marks + cur_mark;
tmk->file = file;
tmk->line = line;
tmk->mark = mark;
trobj->cur_mark++;
write_unlock(&trobj->lock);
pop_cleanup_lock(&trobj->lock);
CANCEL_RESTORE(svc);
}
void backtrace_dump(struct backtrace_data *btd)
{
struct error_frame *ef;
FILE *tracefp = stderr;
int n = 0;
if (btd == NULL)
btd = &main_btd;
push_cleanup_lock(&__printlock);
read_lock(&__printlock);
if (btd->inner == NULL)
goto no_error;
fprintf(tracefp,
"%s\n[ ERROR BACKTRACE: thread %s ]\n\n",
dashes, btd->name);
for (ef = btd->inner; ef; ef = ef->next, n++)
fprintf(tracefp, "%s #%-2d %s in %s(), %s:%d\n",
ef->next ? " " : "=>",
n, symerror(ef->retval),
ef->fn, ef->file, ef->lineno);
fputs(dashes, tracefp);
fputc('\n', tracefp);
fflush(tracefp);
flush_backtrace(btd);
no_error:
read_unlock(&__printlock);
pop_cleanup_lock(&__printlock);
}
static void dump_marks_on_error(struct traceobj *trobj)
{
struct service svc;
CANCEL_DEFER(svc);
push_cleanup_lock(&trobj->lock);
read_lock(&trobj->lock);
dump_marks(trobj);
read_unlock(&trobj->lock);
pop_cleanup_lock(&trobj->lock);
CANCEL_RESTORE(svc);
}
void traceobj_join(struct traceobj *trobj)
{
struct service svc;
CANCEL_DEFER(svc);
push_cleanup_lock(&trobj->lock);
read_lock(&trobj->lock);
while (trobj->nr_threads < 0 || trobj->nr_threads > 0)
threadobj_cond_wait(&trobj->join, &trobj->lock);
read_unlock(&trobj->lock);
pop_cleanup_lock(&trobj->lock);
CANCEL_RESTORE(svc);
}
