| /* Definitions of constants and data structure for POSIX 1003.1b-1993 |
| scheduling interface. |
| Copyright (C) 1996-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _BITS_SCHED_H |
| #define _BITS_SCHED_H 1 |
| |
| #ifndef _SCHED_H |
| # error "Never include <bits/sched.h> directly; use <sched.h> instead." |
| #endif |
| |
| /* Scheduling algorithms. */ |
| #define SCHED_OTHER 0 |
| #define SCHED_FIFO 1 |
| #define SCHED_RR 2 |
| #ifdef __USE_GNU |
| # define SCHED_BATCH 3 |
| # define SCHED_ISO 4 |
| # define SCHED_IDLE 5 |
| # define SCHED_DEADLINE 6 |
| |
| # define SCHED_RESET_ON_FORK 0x40000000 |
| #endif |
| |
| #ifdef __USE_GNU |
| /* Cloning flags. */ |
| # define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */ |
| # define CLONE_VM 0x00000100 /* Set if VM shared between processes. */ |
| # define CLONE_FS 0x00000200 /* Set if fs info shared between processes. */ |
| # define CLONE_FILES 0x00000400 /* Set if open files shared between processes. */ |
| # define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */ |
| # define CLONE_PTRACE 0x00002000 /* Set if tracing continues on the child. */ |
| # define CLONE_VFORK 0x00004000 /* Set if the parent wants the child to |
| wake it up on mm_release. */ |
| # define CLONE_PARENT 0x00008000 /* Set if we want to have the same |
| parent as the cloner. */ |
| # define CLONE_THREAD 0x00010000 /* Set to add to same thread group. */ |
| # define CLONE_NEWNS 0x00020000 /* Set to create new namespace. */ |
| # define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics. */ |
| # define CLONE_SETTLS 0x00080000 /* Set TLS info. */ |
| # define CLONE_PARENT_SETTID 0x00100000 /* Store TID in userlevel buffer |
| before MM copy. */ |
| # define CLONE_CHILD_CLEARTID 0x00200000 /* Register exit futex and memory |
| location to clear. */ |
| # define CLONE_DETACHED 0x00400000 /* Create clone detached. */ |
| # define CLONE_UNTRACED 0x00800000 /* Set if the tracing process can't |
| force CLONE_PTRACE on this clone. */ |
| # define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in |
| the child. */ |
| # define CLONE_NEWCGROUP 0x02000000 /* New cgroup namespace. */ |
| # define CLONE_NEWUTS 0x04000000 /* New utsname group. */ |
| # define CLONE_NEWIPC 0x08000000 /* New ipcs. */ |
| # define CLONE_NEWUSER 0x10000000 /* New user namespace. */ |
| # define CLONE_NEWPID 0x20000000 /* New pid namespace. */ |
| # define CLONE_NEWNET 0x40000000 /* New network namespace. */ |
| # define CLONE_IO 0x80000000 /* Clone I/O context. */ |
| #endif |
| |
| /* Data structure to describe a process' schedulability. */ |
| struct sched_param |
| { |
| int sched_priority; |
| }; |
| |
| __BEGIN_DECLS |
| |
| #ifdef __USE_GNU |
| /* Clone current process. */ |
| extern int clone (int (*__fn) (void *__arg), void *__child_stack, |
| int __flags, void *__arg, ...) __THROW; |
| |
| /* Unshare the specified resources. */ |
| extern int unshare (int __flags) __THROW; |
| |
| /* Get index of currently used CPU. */ |
| extern int sched_getcpu (void) __THROW; |
| |
| /* Switch process to namespace of type NSTYPE indicated by FD. */ |
| extern int setns (int __fd, int __nstype) __THROW; |
| #endif |
| |
| __END_DECLS |
| |
| #endif /* bits/sched.h */ |
