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https://git.openldap.org/openldap/openldap.git
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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.
77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
/* abandon.c - decode and handle an ldap abandon operation */
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/*
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include <stdio.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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do_abandon(
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Connection *conn,
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Operation *op
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)
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{
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int id;
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Operation *o;
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Debug( LDAP_DEBUG_TRACE, "do_abandon\n", 0, 0, 0 );
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/*
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* Parse the abandon request. It looks like this:
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*
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* AbandonRequest := MessageID
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*/
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if ( ber_scanf( op->o_ber, "i", &id ) == LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0 ,0 );
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return;
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}
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Debug( LDAP_DEBUG_ARGS, "do_abandon: id %d\n", id, 0 ,0 );
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/*
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* find the operation being abandoned and set the o_abandon
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* flag. It's up to the backend to periodically check this
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* flag and abort the operation at a convenient time.
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*/
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ldap_pvt_thread_mutex_lock( &conn->c_mutex );
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for ( o = conn->c_ops; o != NULL; o = o->o_next ) {
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if ( o->o_msgid == id )
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goto found_op;
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}
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for ( o = conn->c_pending_ops; o != NULL; o = o->o_next ) {
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if ( o->o_msgid == id )
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break;
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}
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found_op:
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if ( o != NULL ) {
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ldap_pvt_thread_mutex_lock( &o->o_abandonmutex );
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o->o_abandon = 1;
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ldap_pvt_thread_mutex_unlock( &o->o_abandonmutex );
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} else {
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Debug( LDAP_DEBUG_TRACE, "do_abandon: op not found\n", 0, 0,
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0 );
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}
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ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
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}
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