mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-15 03:01:09 +08:00
8f02beada9
remove race conditions on connection close. BROKEN: various counters for dn=monitor. Initial testing on FreeBSD (with and without pthreads) was successfull. Have not yet tested preemptive threading environments. Have not built against backends other than LDBM.
109 lines
1.6 KiB
C
109 lines
1.6 KiB
C
/* operation.c - routines to deal with pending ldap operations */
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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void
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slap_op_free( Operation *op )
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{
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assert( op->o_next == NULL );
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if ( op->o_ber != NULL ) {
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ber_free( op->o_ber, 1 );
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}
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if ( op->o_dn != NULL ) {
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free( op->o_dn );
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}
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if ( op->o_ndn != NULL ) {
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free( op->o_ndn );
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}
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ldap_pvt_thread_mutex_destroy( &op->o_abandonmutex );
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free( (char *) op );
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}
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Operation *
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slap_op_alloc(
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BerElement *ber,
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unsigned long msgid,
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unsigned long tag,
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long id
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)
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{
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Operation *op;
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op = (Operation *) ch_calloc( 1, sizeof(Operation) );
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ldap_pvt_thread_mutex_init( &op->o_abandonmutex );
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op->o_abandon = 0;
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op->o_ber = ber;
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op->o_msgid = msgid;
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op->o_tag = tag;
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op->o_dn = NULL;
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op->o_ndn = NULL;
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op->o_time = slap_get_time();
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op->o_opid = id;
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op->o_next = NULL;
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return( op );
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}
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int slap_op_add(
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Operation **olist,
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Operation *op
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)
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{
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Operation **tmp;
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for ( tmp = olist; *tmp != NULL; tmp = &(*tmp)->o_next )
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; /* NULL */
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*tmp = op;
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return 0;
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}
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int
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slap_op_remove( Operation **olist, Operation *op )
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{
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Operation **tmp;
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for ( tmp = olist; *tmp != NULL && *tmp != op; tmp = &(*tmp)->o_next )
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; /* NULL */
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if ( *tmp == NULL ) {
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Debug( LDAP_DEBUG_ANY, "op_delete: can't find op %ld\n",
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op->o_msgid, 0, 0 );
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return -1;
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}
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*tmp = (*tmp)->o_next;
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op->o_next = NULL;
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return 0;
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}
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Operation * slap_op_pop( Operation **olist )
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{
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Operation *tmp = *olist;
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if(tmp != NULL) {
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*olist = tmp->o_next;
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tmp->o_next = NULL;
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}
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return tmp;
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}
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