git.sur5r.net Git - openldap/blob - servers/slapd/back-shell/abandon.c

   1 /* abandon.c - shell backend abandon function */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/signal.h>
  13 #include <ac/socket.h>
  14 #include <ac/string.h>
  15
  16 #include "slap.h"
  17 #include "shell.h"
  18
  19 int
  20 shell_back_abandon(
  21     Backend     *be,
  22     Connection  *conn,
  23     Operation   *op,
  24     int         msgid
  25 )
  26 {
  27         struct shellinfo        *si = (struct shellinfo *) be->be_private;
  28         FILE                    *rfp, *wfp;
  29         pid_t                   pid;
  30         Operation               *o;
  31
  32         /* no abandon command defined - just kill the process handling it */
  33         if ( si->si_abandon == NULL ) {
  34                 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
  35                 pid = -1;
  36                 LDAP_STAILQ_FOREACH( o, &conn->c_ops, o_next ) {
  37                         if ( o->o_msgid == msgid ) {
  38                                 pid = (pid_t) o->o_private;
  39                                 break;
  40                         }
  41                 }
  42                 if( pid == -1 ) {
  43                         LDAP_STAILQ_FOREACH( o, &conn->c_pending_ops, o_next ) {
  44                                 if ( o->o_msgid == msgid ) {
  45                                         pid = (pid_t) o->o_private;
  46                                         break;
  47                                 }
  48                         }
  49                 }
  50                 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
  51
  52                 if ( pid != -1 ) {
  53                         Debug( LDAP_DEBUG_ARGS, "shell killing pid %d\n",
  54                                (int) pid, 0, 0 );
  55                         kill( pid, SIGTERM );
  56                 } else {
  57                         Debug( LDAP_DEBUG_ARGS, "shell could not find op %d\n",
  58                             msgid, 0, 0 );
  59                 }
  60                 return 0;
  61         }
  62
  63         if ( forkandexec( si->si_abandon, &rfp, &wfp ) == -1 ) {
  64                 return 0;
  65         }
  66
  67         /* write out the request to the abandon process */
  68         fprintf( wfp, "ABANDON\n" );
  69         fprintf( wfp, "msgid: %d\n", msgid );
  70         print_suffixes( wfp, be );
  71         fclose( wfp );
  72
  73         /* no result from abandon */
  74         fclose( rfp );
  75
  76         return 0;
  77 }