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 /* 28 * Copyright 2026 Oxide Computer Company 29 */ 30 31 #ifndef _SYS_LIBC_KERNEL_H 32 #define _SYS_LIBC_KERNEL_H 33 34 /* 35 * This file contains definitions for miscellaneous consolidation-private 36 * interfaces that are private, exclusively between libc and the kernel. 37 * These definitions are for implementation details that can change at 38 * any time, even in a patch. Applications should never see this file. 39 */ 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /* 46 * A vfork() child that calls _exit(_EVAPORATE) without having performed 47 * an execve() will disappear without a trace, just as though the parent 48 * had set the disposition of the SIGCHLD signal to be ignored. libc's 49 * posix_spawn() no longer uses this, but it is retained for branded 50 * userlands whose libc predates spawn(2). 51 */ 52 #define _EVAPORATE 0xffff0000 53 54 #ifdef __cplusplus 55 } 56 #endif 57 58 #endif /* _SYS_LIBC_KERNEL_H */ 59