#0  0x000000000040892c in binary_search (v=0x614840, key=1) at vector.c:149
  144:     int l,r,x;
  145:     l = 0;
  146:     r = v->size - 1;
  147:     while (r >= l) {
  148:         x = (l + r)/2;
  149:         if (key <  v->item[x].key) r = x - 1; else l = x + 1;
  150:         if (key == v->item[x].key) return &(v->item[x]);
  151:     }
  152:     return NULL;
  153: }
  154: 
#1  0x00000000004088d8 in vector_contains (v=0x614840, key=1) at vector.c:138
  133: 
  134: /*** vector_contains **********************************************************/
  135: int  vector_contains(VECTOR *v, int key)
  136: {
  137:     assert(v != NULL);
  138:     return (binary_search(v, key) != NULL);
  139: }
  140: 
  141: /*** vector_item **************************************************************/
  142: static struct vector_item *binary_search(VECTOR *v, int key)
  143: {
#2  0x000000000040540b in pptp_call_close (conn=0x614750, call=0x6128e0) at pptp_ctrl.c:388
  383: {
  384:     struct pptp_call_clear_rqst rqst = {
  385:         PPTP_HEADER_CTRL(PPTP_CALL_CLEAR_RQST), 0, 0
  386:     };
  387:     assert(conn && conn->call); assert(call);
  388:     assert(vector_contains(conn->call, call->call_id));
  389:     /* haven't thought about PAC yet */
  390:     assert(call->call_type == PPTP_CALL_PNS);
  391:     assert(call->state.pns != PNS_IDLE);
  392:     rqst.call_id = hton16(call->call_id);
  393:     /* don't check state against WAIT_DISCONNECT... allow multiple disconnect
#3  0x000000000040ae85 in callmgr_main (argc=3, argv=0x7fff0ec8dd10, envp=0x7fff0ec8f158) at pptp_callmgr.c:256
  251:         /* kill all open calls */
  252:         for (i = 0; i < vector_size(call_list); i++) {
  253:             PPTP_CALL *call = vector_get_Nth(call_list, i);
  254:             struct local_callinfo *lci = pptp_call_closure_get(conn, call);
  255:             log("Closing connection (shutdown)");
  256:             pptp_call_close(conn, call);
  257:             if(lci->pid[0] > 1) kill(lci->pid[0], SIGTERM);
  258:             if(lci->pid[1] > 1) kill(lci->pid[1], SIGTERM);
  259:         }
  260:         /* attempt to dispatch these messages */
  261:         FD_ZERO(&read_set);
#4  0x0000000000402d52 in launch_callmgr (inetaddr={s_addr = 2789997777}, phonenr=0x0, argc=5, argv=0x7fff0ec8f128, envp=0x7fff0ec8f158) at pptp.c:446
  441: {
  442:       char *my_argv[3] = { argv[0], inet_ntoa(inetaddr), phonenr };
  443:       char buf[128];
  444:       snprintf(buf, sizeof(buf), "pptp: call manager for %s", my_argv[1]);
  445:       inststr(argc, argv, envp, buf);
  446:       exit(callmgr_main(3, my_argv, envp));
  447: }
  448: 
  449: /*** exchange data with the call manager  *************************************/
  450: /* XXX need better error checking XXX */
  451: int get_call_id(int sock, pid_t gre, pid_t pppd, 
#5  0x0000000000402bc2 in open_callmgr (inetaddr={s_addr = 2789997777}, phonenr=0x0, argc=5, argv=0x7fff0ec8f128, envp=0x7fff0ec8f158, pty_fd=0, gre_fd=4)
#6  0x00000000004027bc in main (argc=5, argv=0x7fff0ec8f128, envp=0x7fff0ec8f158) at pptp.c:328
  323: 
  324:     do {
  325:         /*
  326:          * Open connection to call manager (Launch call manager if necessary.)
  327:          */
  328:         callmgr_sock = open_callmgr(inetaddr, phonenr, argc, argv, envp,
  329: 		pty_fd, gre_fd);
  330:         /* Exchange PIDs, get call ID */
  331:     } while (get_call_id(callmgr_sock, parent_pid, child_pid, 
  332:                 &call_id, &peer_call_id) < 0);
  333: 
#7  0x00002b459c2568e4 in __libc_start_main () from /lib/libc.so.6
#8  0x0000000000401d89 in _start ()