usr/src/uts/common/sys/lwp.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 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_LWP_H
  28 #define _SYS_LWP_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #include <sys/synch.h>
  33 #include <sys/ucontext.h>
  34
  35 #ifdef  __cplusplus
  36 extern "C" {
  37 #endif
  38
  39 /*
  40  * lwp create flags
  41  */
  42 #define LWP_DAEMON      0x00000020
  43 #define LWP_DETACHED    0x00000040
  44 #define LWP_SUSPENDED   0x00000080
  45
  46 /*
  47  * Definitions for user programs calling into the _lwp interface.
  48  */
  49 struct lwpinfo {
  50         timestruc_t lwp_utime;
  51         timestruc_t lwp_stime;
  52         long        lwpinfo_pad[64];
  53 };
  54
  55 #if defined(_SYSCALL32)
  56
  57 /* Kernel's view of user ILP32 lwpinfo structure */
  58
  59 struct lwpinfo32 {
  60         timestruc32_t   lwp_utime;
  61         timestruc32_t   lwp_stime;
  62         int32_t         lwpinfo_pad[64];
  63 };
  64
  65 #endif  /* _SYSCALL32 */
  66
  67 #define _LWP_FSBASE     0
  68 #define _LWP_GSBASE     1
  69
  70 #define _LWP_SETPRIVATE 0
  71 #define _LWP_GETPRIVATE 1
  72
  73 #ifndef _KERNEL
  74
  75 typedef uint_t lwpid_t;
  76
  77 int             _lwp_kill(lwpid_t, int);
  78 int             _lwp_info(struct lwpinfo *);
  79 lwpid_t         _lwp_self(void);
  80 int             _lwp_suspend(lwpid_t);
  81 int             _lwp_continue(lwpid_t);
  82
  83 #endif  /* _KERNEL */
  84
  85 #ifdef  __cplusplus
  86 }
  87 #endif
  88
  89 #endif  /* _SYS_LWP_H */