mirror of
https://github.com/ElementsProject/lightning.git
synced 2024-11-19 18:11:28 +01:00
00cb5adfe6
This is ignored in subdaemons which are per-peer, but very useful for multi-peer daemons like connectd and gossipd. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
#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, NULL, 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;
|
|
}
|
|
|
|
daemon_maybe_debug(argv);
|
|
|
|
#if DEVELOPER
|
|
for (int i = 1; i < argc; i++) {
|
|
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_debug(" %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_debug(" 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 */
|