1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 struct child_info { 21 int index; /* our index into the array */ 22 int status; /* return status of this thread */ 23 int child_count; /* Count of children created */ 24 int talk_count; /* Count of siblings that */ 25 /* have talked to us */ 26 pthread_t *threads; /* dynamic array of thread */ 27 /* ids of children */ 28 pthread_mutex_t talk_mutex; /* mutex for the talk_count */ 29 pthread_mutex_t child_mutex; /* mutex for the child_count */ 30 pthread_cond_t talk_condvar; /* condition variable for talk_count */ 31 pthread_cond_t child_condvar; /* condition variable for child_count */ 32 struct child_info **child_ptrs; /* dynamic array of ptrs */ 33 /* to children */ 34 } ; 35 36 typedef struct child_info c_info; 37
