usr/src/uts/common/sys/libc_kernel.h

   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_LIBC_KERNEL_H
  28 #define _SYS_LIBC_KERNEL_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * This file contains definitions for miscellaneous consolidation-private
  34  * interfaces that are private, exclusively between libc and the kernel.
  35  * These definitions are for implementation details that can change at
  36  * any time, even in a patch.  Applications should never see this file.
  37  */
  38
  39 #ifdef __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 /*
  44  * A vfork() child that calls _exit(_EVAPORATE) without having performed
  45  * an execve() will disappear without a trace, just as though the parent
  46  * had set the disposition of the SIGCHLD signal to be ignored.  This is
  47  * used by the the posix_spawn() implementation in libc.
  48  */
  49 #define _EVAPORATE      0xffff0000
  50
  51 #ifdef __cplusplus
  52 }
  53 #endif
  54
  55 #endif /* _SYS_LIBC_KERNEL_H */