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ITS#6736: Delay destruction of slap_listeners[]

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This commit is contained in:
Hallvard Furuseth 2010-12-06 08:17:00 +00:00
parent 042fa7ff9a
commit a5d1029f53
1 changed files with 28 additions and 6 deletions
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34
servers/slapd/daemon.c
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@ -83,6 +83,7 @@ int slapd_tcp_wmem;
#endif /* LDAP_TCP_BUFFER */
Listener **slap_listeners = NULL;
static volatile sig_atomic_t listening = 1; /* 0 when slap_listeners closed */
#ifndef SLAPD_LISTEN_BACKLOG
#define SLAPD_LISTEN_BACKLOG 1024
@ -907,7 +908,7 @@ slapd_remove(
* the select() loop. Now that we're removing a session from our
* control, we can try to resume a dropped listener to use.
*/
if ( emfile ) {
if ( emfile && listening ) {
int i;
for ( i = 0; slap_listeners[i] != NULL; i++ ) {
Listener *lr = slap_listeners[i];
@ -1739,9 +1740,12 @@ close_listeners(
{
int l;
if ( !listening )
return;
listening = 0;
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
Listener *lr = slap_listeners[l];
slap_listeners[l] = NULL;
if ( lr->sl_sd != AC_SOCKET_INVALID ) {
int s = lr->sl_sd;
@ -1756,7 +1760,18 @@ close_listeners(
slapd_close( s );
}
}
}
static void
destroy_listeners( void )
{
Listener *lr, **ll = slap_listeners;
if ( ll == NULL )
return;
while ( (lr = *ll++) != NULL ) {
if ( lr->sl_url.bv_val ) {
ber_memfree( lr->sl_url.bv_val );
}
@ -1767,6 +1782,9 @@ close_listeners(
free( lr );
}
free( slap_listeners );
slap_listeners = NULL;
}
static int
@ -2408,6 +2426,7 @@ loop:
nwriters = slap_daemon[tid].sd_nwriters;
if ( listening )
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
Listener *lr = slap_listeners[l];
@ -2566,6 +2585,7 @@ loop:
* true for Unix select and poll. We treat Windows select
* like this too, even though it's a kludge.
*/
if ( listening )
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
int rc;
@ -2807,7 +2827,7 @@ loop:
0, 0, 0 );
}
if ( slapd_gentle_shutdown != 2 ) close_listeners ( 0 );
close_listeners( 0 );
if ( !slapd_gentle_shutdown ) {
slapd_abrupt_shutdown = 1;
@ -2822,9 +2842,6 @@ loop:
}
ldap_pvt_thread_pool_destroy( &connection_pool, 1 );
free( slap_listeners );
slap_listeners = NULL;
return NULL;
}
@ -2904,6 +2921,7 @@ slapd_daemon( void )
for ( i=0; i<slapd_daemon_threads; i++ )
ldap_pvt_thread_join( listener_tid[i], (void *)NULL );
destroy_listeners();
ch_free( listener_tid );
return 0;
@ -3023,6 +3041,10 @@ slapd_add_internal( ber_socket_t s, int isactive )
Listener **
slapd_get_listeners( void )
{
/* Could return array with no listeners if !listening, but current
* callers mostly look at the URLs. E.g. syncrepl uses this to
* identify the server, which means it wants the startup arguments.
*/
return slap_listeners;
}