| 1 | /* Definitions of constants and data structure for POSIX 1003.1b-1993 |
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| 2 | scheduling interface. |
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| 3 | Copyright (C) 1996, 1997, 1998, 1999, 2001 Free Software Foundation, Inc. |
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| 4 | This file is part of the GNU C Library. |
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| 5 | |
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| 6 | The GNU C Library is free software; you can redistribute it and/or |
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| 7 | modify it under the terms of the GNU Lesser General Public |
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| 8 | License as published by the Free Software Foundation; either |
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| 9 | version 2.1 of the License, or (at your option) any later version. |
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| 10 | |
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| 11 | The GNU C Library is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | Lesser General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU Lesser General Public |
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| 17 | License along with the GNU C Library; if not, write to the Free |
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| 18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 19 | 02111-1307 USA. */ |
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| 20 | |
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| 21 | #ifndef __need_schedparam |
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| 22 | |
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| 23 | #ifndef _SCHED_H |
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| 24 | # error "Never include <bits/sched.h> directly; use <sched.h> instead." |
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| 25 | #endif |
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| 26 | |
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| 27 | |
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| 28 | /* Scheduling algorithms. */ |
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| 29 | #define SCHED_OTHER 0 |
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| 30 | #define SCHED_FIFO 1 |
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| 31 | #define SCHED_RR 2 |
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| 32 | |
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| 33 | #ifdef __USE_MISC |
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| 34 | /* Cloning flags. */ |
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| 35 | # define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */ |
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| 36 | # define CLONE_VM 0x00000100 /* Set if VM shared between processes. */ |
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| 37 | # define CLONE_FS 0x00000200 /* Set if fs info shared between processes. */ |
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| 38 | # define CLONE_FILES 0x00000400 /* Set if open files shared between processes. */ |
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| 39 | # define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */ |
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| 40 | # define CLONE_PID 0x00001000 /* Set if pid shared. */ |
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| 41 | # define CLONE_PTRACE 0x00002000 /* Set if tracing continues on the child. */ |
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| 42 | # define CLONE_VFORK 0x00004000 /* Set if the parent wants the child to |
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| 43 | wake it up on mm_release. */ |
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| 44 | #endif |
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| 45 | |
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| 46 | /* The official definition. */ |
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| 47 | struct sched_param |
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| 48 | { |
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| 49 | int __sched_priority; |
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| 50 | }; |
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| 51 | |
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| 52 | __BEGIN_DECLS |
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| 53 | |
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| 54 | /* Clone current process. */ |
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| 55 | #ifdef __USE_MISC |
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| 56 | extern int clone (int (*__fn) (void *__arg), void *__child_stack, |
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| 57 | int __flags, void *__arg) __THROW; |
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| 58 | #endif |
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| 59 | |
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| 60 | __END_DECLS |
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| 61 | |
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| 62 | #endif /* need schedparam */ |
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| 63 | |
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| 64 | #if !defined __defined_schedparam \ |
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| 65 | && (defined __need_schedparam || defined _SCHED_H) |
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| 66 | # define __defined_schedparam 1 |
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| 67 | /* Data structure to describe a process' schedulability. */ |
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| 68 | struct __sched_param |
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| 69 | { |
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| 70 | int __sched_priority; |
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| 71 | }; |
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| 72 | # undef __need_schedparam |
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| 73 | #endif |
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