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#include <ccan/tal/str/str.h>
#include <common/dev_disconnect.h>
#include <common/status.h>
#include <common/subdaemon.h>
#include <common/utils.h>
#include <common/version.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <wally_core.h>
static void status_backtrace_print(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
status_vfmt(LOG_BROKEN, fmt, ap);
va_end(ap);
}
static void status_backtrace_exit(void)
{
status_failed(STATUS_FAIL_INTERNAL_ERROR, "FATAL SIGNAL");
}
void subdaemon_setup(int argc, char *argv[])
{
if (argc == 2 && streq(argv[1], "--version")) {
printf("%s\n", version());
exit(0);
}
for (int i = 1; i < argc; i++) {
if (streq(argv[i], "--log-io"))
logging_io = true;
}
#if DEVELOPER
/* From debugger, set debugger_spin to 0. */
for (int i = 1; i < argc; i++) {
if (streq(argv[i], "--debugger")) {
char *cmd = tal_fmt(NULL, "${DEBUG_TERM:-gnome-terminal --} gdb -ex 'attach %u' %s &", getpid(), argv[0]);
fprintf(stderr, "Running %s\n", cmd);
/* warn_unused_result is fascist bullshit.
* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425 */
if (system(cmd))
;
/* Continue in the debugger. */
kill(getpid(), SIGSTOP);
}
if (strstarts(argv[i], "--dev-disconnect=")) {
dev_disconnect_init(atoi(argv[i]
+ strlen("--dev-disconnect=")));
}
}
#endif
daemon_setup(argv[0], status_backtrace_print, status_backtrace_exit);
}
#if DEVELOPER
// Indented to avoid header-order check
#include <backtrace.h>
#include <common/memleak.h>
static int dump_syminfo(void *data UNUSED, uintptr_t pc UNUSED,
const char *filename, int lineno,
const char *function)
{
/* This can happen in backtraces. */
if (!filename || !function)
return 0;
status_trace(" %s:%u (%s)", filename, lineno, function);
return 0;
}
static void dump_leak_backtrace(const uintptr_t *bt)
{
if (!bt)
return;
/* First one serves as counter. */
status_trace(" backtrace:");
for (size_t i = 1; i < bt[0]; i++) {
backtrace_pcinfo(backtrace_state,
bt[i], dump_syminfo,
NULL, NULL);
}
}
bool dump_memleak(struct htable *memtable)
{
const tal_t *i;
const uintptr_t *backtrace;
bool found_leak = false;
while ((i = memleak_get(memtable, &backtrace)) != NULL) {
status_broken("MEMLEAK: %p", i);
if (tal_name(i))
status_broken(" label=%s", tal_name(i));
dump_leak_backtrace(backtrace);
status_broken(" parents:");
for (tal_t *p = tal_parent(i); p; p = tal_parent(p)) {
status_broken(" %s", tal_name(p));
p = tal_parent(p);
}
found_leak = true;
}
return found_leak;
}
#endif /* DEVELOPER */