1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_FORK_H 28 #define _SYS_FORK_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) 39 40 #if !defined(_KERNEL) 41 42 extern pid_t forkx(int); 43 extern pid_t forkallx(int); 44 extern pid_t vforkx(int); 45 46 #if defined(__sparc) 47 #pragma unknown_control_flow(vforkx) 48 #endif 49 50 #endif /* !defined(_KERNEL) */ 51 52 /* 53 * The argument to any of the forkx() functions is a set of flags 54 * formed by or-ing together zero or more of the following flags. 55 * fork()/forkall()/vfork() are equivalent to the corresponding 56 * forkx()/forkallx()/vforkx() functions with a zero argument. 57 */ 58 59 /* 60 * Do not post a SIGCHLD signal to the parent when the child terminates, 61 * regardless of the disposition of the SIGCHLD signal in the parent. 62 * SIGCHLD signals are still possible for job control stop and continue 63 * actions (CLD_STOPPED, CLD_CONTINUED) if the parent has requested them. 64 */ 65 #define FORK_NOSIGCHLD 0x0001 66 67 /* 68 * Do not allow wait-for-multiple-pids by the parent, as in waitid(P_ALL) 69 * or waitid(P_PGID), to reap the child and do not allow the child to 70 * be reaped automatically due the disposition of the SIGCHLD signal 71 * being set to be ignored. Only a specific wait for the child, as 72 * in waitid(P_PID, pid), is allowed and it is required, else when 73 * the child exits it will remain a zombie until the parent exits. 74 */ 75 #define FORK_WAITPID 0x0002 76 77 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */ 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif /* _SYS_FORK_H */ 84