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lightningd: close and reopen db across fork for daemonize

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Fixes: #1092
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2018-02-27 05:59:58 +10:30
committed by Christian Decker
parent 58fae47868
commit b7ed5670d5
5 changed files with 38 additions and 7 deletions
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6
lightningd/lightningd.c
View File

@@ -237,11 +237,12 @@ static void init_txfilter(struct wallet *w, struct txfilter *filter)
}
}
static void daemonize_but_keep_dir(void)
static void daemonize_but_keep_dir(struct lightningd *ld)
{
/* daemonize moves us into /, but we want to be here */
const char *cwd = path_cwd(NULL);
db_close_for_fork(ld->wallet->db);
if (!cwd)
fatal("Could not get current directory: %s", strerror(errno));
if (!daemonize())
@@ -252,6 +253,7 @@ static void daemonize_but_keep_dir(void)
fatal("Could not return to directory %s: %s",
cwd, strerror(errno));
db_reopen_after_fork(ld->wallet->db);
tal_free(cwd);
}
@@ -382,7 +384,7 @@ int main(int argc, char *argv[])
/* Now we're about to start, become daemon if desired. */
if (ld->daemon)
daemonize_but_keep_dir();
daemonize_but_keep_dir(ld);
/* Mark ourselves live. */
log_info(ld->log, "Server started with public key %s, alias %s (color #%s) and lightningd %s",

10
lightningd/test/run-find_my_path.c
View File

@@ -16,12 +16,18 @@ void crashlog_activate(const char *argv0 UNNEEDED, struct log *log UNNEEDED)
/* Generated stub for db_begin_transaction_ */
void db_begin_transaction_(struct db *db UNNEEDED, const char *location UNNEEDED)
{ fprintf(stderr, "db_begin_transaction_ called!\n"); abort(); }
/* Generated stub for db_close_for_fork */
void db_close_for_fork(struct db *db UNNEEDED)
{ fprintf(stderr, "db_close_for_fork called!\n"); abort(); }
/* Generated stub for db_commit_transaction */
void db_commit_transaction(struct db *db UNNEEDED)
{ fprintf(stderr, "db_commit_transaction called!\n"); abort(); }
/* Generated stub for db_get_intvar */
s64 db_get_intvar(struct db *db UNNEEDED, char *varname UNNEEDED, s64 defval UNNEEDED)
{ fprintf(stderr, "db_get_intvar called!\n"); abort(); }
/* Generated stub for db_reopen_after_fork */
void db_reopen_after_fork(struct db *db UNNEEDED)
{ fprintf(stderr, "db_reopen_after_fork called!\n"); abort(); }
/* Generated stub for debug_poll */
int debug_poll(struct pollfd *fds UNNEEDED, nfds_t nfds UNNEEDED, int timeout UNNEEDED)
{ fprintf(stderr, "debug_poll called!\n"); abort(); }
@@ -35,7 +41,7 @@ void free_htlcs(struct lightningd *ld UNNEEDED, const struct channel *channel UN
void gossip_init(struct lightningd *ld UNNEEDED)
{ fprintf(stderr, "gossip_init called!\n"); abort(); }
/* Generated stub for handle_opts */
bool handle_opts(struct lightningd *ld UNNEEDED, int argc UNNEEDED, char *argv[] UNUSED)
bool handle_opts(struct lightningd *ld UNNEEDED, int argc UNNEEDED, char *argv[])
{ fprintf(stderr, "handle_opts called!\n"); abort(); }
/* Generated stub for hash_htlc_key */
size_t hash_htlc_key(const struct htlc_key *htlc_key UNNEEDED)
@@ -78,7 +84,7 @@ void subd_shutdown(struct subd *subd UNNEEDED, unsigned int seconds UNNEEDED)
void timer_expired(tal_t *ctx UNNEEDED, struct timer *timer UNNEEDED)
{ fprintf(stderr, "timer_expired called!\n"); abort(); }
/* Generated stub for txfilter_add_derkey */
void txfilter_add_derkey(struct txfilter *filter UNNEEDED, u8 derkey[PUBKEY_DER_LEN] UNUSED)
void txfilter_add_derkey(struct txfilter *filter UNNEEDED, u8 derkey[PUBKEY_DER_LEN])
{ fprintf(stderr, "txfilter_add_derkey called!\n"); abort(); }
/* Generated stub for txfilter_new */
struct txfilter *txfilter_new(const tal_t *ctx UNNEEDED)