X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslurpd%2Ffm.c;h=37a0954619695cf9cb08293ae205114774738ffe;hb=d84ffb62a6c7528ef711547194307af629e0d082;hp=e63002f8269abc7c245e0781582e25de1c2f3e0e;hpb=72ba4cfb715001d30a6e48a2d7012f060f29d684;p=openldap
diff --git a/servers/slurpd/fm.c b/servers/slurpd/fm.c
index e63002f826..37a0954619 100644
--- a/servers/slurpd/fm.c
+++ b/servers/slurpd/fm.c
@@ -1,5 +1,18 @@
-/*
- * Copyright (c) 1996 Regents of the University of Michigan.
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software .
+ *
+ * Copyright 1998-2005 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * .
+ */
+/* Portions Copyright (c) 1996 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
@@ -9,6 +22,10 @@
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by the University of Michigan
+ * (as part of U-MICH LDAP).
+ */
/*
* fm.c - file management routines.
@@ -17,10 +34,12 @@
#include "portable.h"
#include
-#include /* get free() */
+#include
#include
#include
+#include
+#include
#include "slurp.h"
#include "globals.h"
@@ -31,7 +50,6 @@
*/
static char *get_record LDAP_P(( FILE * ));
static void populate_queue LDAP_P(( char *f ));
-static RETSIGTYPE set_shutdown LDAP_P((int));
/*
@@ -48,18 +66,20 @@ fm(
)
{
int rc;
+ int i;
+ fd_set readfds;
/* Set up our signal handlers:
* SIG{TERM,INT,HUP} causes a shutdown
- * LDAP_SIGUSR1 - does nothing, used to wake up sleeping threads.
- * LDAP_SIGUSR2 - causes slurpd to read its administrative interface file.
- * (not yet implemented).
*/
- (void) SIGNAL( LDAP_SIGUSR1, do_nothing );
- (void) SIGNAL( LDAP_SIGUSR2, do_admin );
- (void) SIGNAL( SIGTERM, set_shutdown );
- (void) SIGNAL( SIGINT, set_shutdown );
- (void) SIGNAL( SIGHUP, set_shutdown );
+ (void) SIGNAL( SIGTERM, slurp_set_shutdown );
+ (void) SIGNAL( SIGINT, slurp_set_shutdown );
+#ifdef SIGHUP
+ (void) SIGNAL( SIGHUP, slurp_set_shutdown );
+#endif
+#if defined(SIGBREAK) && defined(HAVE_NT_SERVICE_MANAGER)
+ (void) SIGNAL( SIGBREAK, do_nothing );
+#endif
if ( sglob->one_shot_mode ) {
if ( file_nonempty( sglob->slapd_replogfile )) {
@@ -81,6 +101,7 @@ fm(
populate_queue( sglob->slurpd_replogfile );
}
+ FD_ZERO( &readfds );
while ( !sglob->slurpd_shutdown ) {
if ( file_nonempty( sglob->slapd_replogfile )) {
@@ -99,7 +120,13 @@ fm(
}
}
} else {
- ldap_pvt_thread_sleep( sglob->no_work_interval );
+ struct timeval tv;
+
+ FD_SET( sglob->wake_sds[0], &readfds );
+ tv.tv_sec = sglob->no_work_interval;
+ tv.tv_usec = 0;
+
+ rc = select( sglob->wake_sds[0]+1, &readfds, NULL, NULL, &tv );
}
/* Garbage-collect queue */
@@ -119,6 +146,12 @@ fm(
}
}
}
+ sglob->rq->rq_lock( sglob->rq ); /* lock queue */
+ ldap_pvt_thread_cond_broadcast( &(sglob->rq->rq_more) ); /* wake repl threads */
+ for ( i = 0; i < sglob->num_replicas; i++ ) {
+ (sglob->replicas[ i ])->ri_wake( sglob->replicas[ i ]);
+ }
+ sglob->rq->rq_unlock( sglob->rq ); /* unlock queue */
Debug( LDAP_DEBUG_ARGS, "fm: exiting\n", 0, 0, 0 );
return NULL;
}
@@ -129,22 +162,13 @@ fm(
/*
* Set a global flag which signals that we're shutting down.
*/
-static RETSIGTYPE
-set_shutdown(int x)
+RETSIGTYPE
+slurp_set_shutdown(int sig)
{
- int i;
-
sglob->slurpd_shutdown = 1; /* set flag */
- ldap_pvt_thread_kill( sglob->fm_tid, LDAP_SIGUSR1 ); /* wake up file mgr */
- sglob->rq->rq_lock( sglob->rq ); /* lock queue */
- ldap_pvt_thread_cond_broadcast( &(sglob->rq->rq_more) ); /* wake repl threads */
- for ( i = 0; i < sglob->num_replicas; i++ ) {
- (sglob->replicas[ i ])->ri_wake( sglob->replicas[ i ]);
- }
- sglob->rq->rq_unlock( sglob->rq ); /* unlock queue */
- (void) SIGNAL( SIGTERM, set_shutdown ); /* reinstall handlers */
- (void) SIGNAL( SIGINT, set_shutdown );
- (void) SIGNAL( SIGHUP, set_shutdown );
+ tcp_write( sglob->wake_sds[1], "0", 1); /* wake up file mgr */
+
+ (void) SIGNAL_REINSTALL( sig, slurp_set_shutdown ); /* reinstall handlers */
}
@@ -154,9 +178,9 @@ set_shutdown(int x)
* A do-nothing signal handler.
*/
RETSIGTYPE
-do_nothing(int i)
+do_nothing(int sig)
{
- (void) SIGNAL( LDAP_SIGUSR1, do_nothing );
+ (void) SIGNAL_REINSTALL( sig, do_nothing );
}
@@ -172,7 +196,6 @@ populate_queue(
)
{
FILE *fp, *lfp;
- Rq *rq = sglob->rq;
char *p;
if ( acquire_lock( f, &fp, &lfp ) < 0 ) {
@@ -231,12 +254,13 @@ get_record(
while (( fgets( line, sizeof(line), fp ) != NULL ) &&
(( len = strlen( line )) > 1 )) {
- while ( lcur + len + 1 > lmax ) {
- lmax += BUFSIZ;
- buf = (char *) ch_realloc( buf, lmax );
- }
- strcpy( buf + lcur, line );
- lcur += len;
+
+ while ( lcur + len + 1 > lmax ) {
+ lmax += BUFSIZ;
+ buf = (char *) ch_realloc( buf, lmax );
+ }
+ strcpy( buf + lcur, line );
+ lcur += len;
}
return( buf );
}