crossroads

Git mirror of https://crossroads.e-tunity.com/
git clone git://git.finwo.net/app/crossroads
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deallocreporter.c (1641B)

      1 /*************************************************************************
      2  * This file is part of Crosroads 1.23, a load balancer and fail over
      3  * utility for TCP. Copyright (c) Karel Kubat, distributed under GPL.
      4  * Visit http://crossroads.e-tunity.com for information.
      5  *************************************************************************/
      6 #include "crossroads.h"
      7 
      8 void dealloc_reporter (Service *s) {
      9     int shmid;
     10 
     11     msg ("Freeing reporting memory for service %s (key %d)",
     12 	 s->name, s->shmkey);
     13 
     14     /* Get the shared memory ID. If this fails and we're in stage 0,
     15      * then ignore the error. The true handler will have already released it.
     16      */
     17     if ( (shmid = shmget (s->shmkey, sizeof(Servicereport),
     18 			  0644) ) >= 0) {
     19 	msg ("Got existing shm at id %d", shmid);
     20 	/* Mark to be released. If this fails then warn. */
     21 	if (shmctl (shmid, IPC_RMID, 0) < 0 && program_stage != stage_main)
     22 	    warning ("WARNING: Cannot mark shared memory as destructable: %s "
     23 		     "Root might need to 'ipcrm -m %d' and "
     24 		     "'ipcrm -s %d' to clean up!",
     25 		     strerror(errno), shmid, semid);
     26 	if (semctl (semid, 0, IPC_RMID) < 0 && program_stage != stage_main)
     27 	    warning ("WARNING: Cannot remove semaphore: %s "
     28 		     "Root might need to 'ipcrm -s %d' to clean up!",
     29 		     strerror(errno), semid);
     30     }
     31     else if (program_stage != stage_main) {
     32 	/* Errno 2 means that the shm block was already removed (by a
     33 	 * different listener) Don't warn if that's the case.
     34 	 */
     35 	if (errno != 2)
     36 	    warning ("Cannot get shared memory for service %s (key %d: %d/%s)",
     37 		     s->name, s->shmkey, errno, strerror(errno));
     38     }
     39 }