core-lightning/lightningd/io_loop_with_timers.c
Rusty Russell 6c335dfcc6 plugins: don't crash if getmanifest times out.
I mean, we still crash, but we give an error now :)

lightningd: FATAL SIGNAL 11 (version v0.7.1-82-g92c38a0)
0x5592e75e19c8 send_backtrace
	common/daemon.c:40
0x5592e75e1a6e crashdump
	common/daemon.c:53
0x7fad1514ef5f ???
	???:0
0x5592e75b2f3a io_loop_with_timers
	lightningd/io_loop_with_timers.c:29
0x5592e75d8a54 plugins_init
	lightningd/plugin.c:1018
0x5592e75b8e22 main
	lightningd/lightningd.c:671
0x7fad15131b6a ???
	???:0
0x5592e75a10f9 ???
	???:0
0xffffffffffffffff ???
	???:0
Segmentation fault (core dumped)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-07-24 16:16:53 +02:00

40 lines
1.1 KiB
C

#include "lightningd/io_loop_with_timers.h"
#include <ccan/io/io.h>
#include <ccan/timer/timer.h>
#include <common/timeout.h>
#include <lightningd/lightningd.h>
#include <wallet/db.h>
#include <wallet/wallet.h>
void *io_loop_with_timers(struct lightningd *ld)
{
void *retval = NULL;
struct timer *expired;
while (!retval) {
/* ~ccan/io's io_loop() continuously calls
* io_poll_lightningd() for all file descriptors registered
* with it, then calls their callbacks or closes them if they
* fail, as appropriate.
*
* It will only exit if there's an expired timer, *or* someone
* calls io_break, or if there are no more file descriptors
* (which never happens in our code). */
retval = io_loop(ld->timers, &expired);
/*~ Notice that timers are called here in the event loop like
* anything else, so there are no weird concurrency issues. */
if (expired) {
/* This routine is legal in early startup, too. */
if (ld->wallet)
db_begin_transaction(ld->wallet->db);
timer_expired(ld, expired);
if (ld->wallet)
db_commit_transaction(ld->wallet->db);
}
}
return retval;
}