remove signal generator
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/* Definitions of constants and data structure for POSIX 1003.1b-1993
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scheduling interface.
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Copyright (C) 1996-2026 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _BITS_SCHED_H
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#define _BITS_SCHED_H 1
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#ifndef _SCHED_H
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# error "Never include <bits/sched.h> directly; use <sched.h> instead."
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#endif
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/* Scheduling algorithms. */
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#define SCHED_OTHER 0
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#define SCHED_FIFO 1
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#define SCHED_RR 2
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#ifdef __USE_GNU
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# define SCHED_NORMAL 0
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# define SCHED_BATCH 3
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# define SCHED_ISO 4
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# define SCHED_IDLE 5
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# define SCHED_DEADLINE 6
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# define SCHED_EXT 7
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/* Flags that can be used in policy values. */
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# define SCHED_RESET_ON_FORK 0x40000000
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/* Flags for the sched_flags field in struct sched_attr. */
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#define SCHED_FLAG_RESET_ON_FORK 0x01
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#define SCHED_FLAG_RECLAIM 0x02
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#define SCHED_FLAG_DL_OVERRUN 0x04
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#define SCHED_FLAG_KEEP_POLICY 0x08
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#define SCHED_FLAG_KEEP_PARAMS 0x10
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#define SCHED_FLAG_UTIL_CLAMP_MIN 0x20
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#define SCHED_FLAG_UTIL_CLAMP_MAX 0x40
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/* Combinations of sched_flags fields. */
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#define SCHED_FLAG_KEEP_ALL \
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(SCHED_FLAG_KEEP_POLICY | SCHED_FLAG_KEEP_PARAMS)
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#define SCHED_FLAG_UTIL_CLAMP \
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(SCHED_FLAG_UTIL_CLAMP_MIN | SCHED_FLAG_UTIL_CLAMP_MAX)
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/* Use "" to work around incorrect macro expansion of the
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__has_include argument (GCC PR 80005). */
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# ifdef __has_include
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# if __has_include ("linux/sched/types.h")
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/* Some older Linux versions defined sched_param in <linux/sched/types.h>. */
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# define sched_param __glibc_mask_sched_param
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# include <linux/sched/types.h>
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# undef sched_param
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# endif
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# endif
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# ifndef SCHED_ATTR_SIZE_VER0
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# include <linux/types.h>
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# define SCHED_ATTR_SIZE_VER0 48
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# define SCHED_ATTR_SIZE_VER1 56
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struct sched_attr
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{
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__u32 size;
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__u32 sched_policy;
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__u64 sched_flags;
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__s32 sched_nice;
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__u32 sched_priority;
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__u64 sched_runtime;
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__u64 sched_deadline;
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__u64 sched_period;
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__u32 sched_util_min;
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__u32 sched_util_max;
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/* Additional fields may be added at the end. */
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};
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# endif /* !SCHED_ATTR_SIZE_VER0 */
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/* Cloning flags. */
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# define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */
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# define CLONE_VM 0x00000100 /* Set if VM shared between processes. */
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# define CLONE_FS 0x00000200 /* Set if fs info shared between processes. */
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# define CLONE_FILES 0x00000400 /* Set if open files shared between processes. */
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# define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */
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# define CLONE_PIDFD 0x00001000 /* Set if a pidfd should be placed
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in parent. */
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# define CLONE_PTRACE 0x00002000 /* Set if tracing continues on the child. */
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# define CLONE_VFORK 0x00004000 /* Set if the parent wants the child to
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wake it up on mm_release. */
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# define CLONE_PARENT 0x00008000 /* Set if we want to have the same
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parent as the cloner. */
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# define CLONE_THREAD 0x00010000 /* Set to add to same thread group. */
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# define CLONE_NEWNS 0x00020000 /* Set to create new namespace. */
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# define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics. */
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# define CLONE_SETTLS 0x00080000 /* Set TLS info. */
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# define CLONE_PARENT_SETTID 0x00100000 /* Store TID in userlevel buffer
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before MM copy. */
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# define CLONE_CHILD_CLEARTID 0x00200000 /* Register exit futex and memory
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location to clear. */
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# define CLONE_DETACHED 0x00400000 /* Create clone detached. */
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# define CLONE_UNTRACED 0x00800000 /* Set if the tracing process can't
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force CLONE_PTRACE on this clone. */
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# define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in
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the child. */
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# define CLONE_NEWCGROUP 0x02000000 /* New cgroup namespace. */
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# define CLONE_NEWUTS 0x04000000 /* New utsname group. */
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# define CLONE_NEWIPC 0x08000000 /* New ipcs. */
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# define CLONE_NEWUSER 0x10000000 /* New user namespace. */
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# define CLONE_NEWPID 0x20000000 /* New pid namespace. */
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# define CLONE_NEWNET 0x40000000 /* New network namespace. */
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# define CLONE_IO 0x80000000 /* Clone I/O context. */
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/* cloning flags intersect with CSIGNAL so can be used only with unshare and
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clone3 syscalls. */
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#define CLONE_NEWTIME 0x00000080 /* New time namespace */
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#endif
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#include <bits/types/struct_sched_param.h>
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__BEGIN_DECLS
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#ifdef __USE_GNU
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/* Clone current process. */
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extern int clone (int (*__fn) (void *__arg), void *__child_stack,
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int __flags, void *__arg, ...) __THROW;
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/* Unshare the specified resources. */
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extern int unshare (int __flags) __THROW;
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/* Get index of currently used CPU. */
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extern int sched_getcpu (void) __THROW;
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/* Get currently used CPU and NUMA node. */
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extern int getcpu (unsigned int *, unsigned int *) __THROW;
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/* Switch process to namespace of type NSTYPE indicated by FD. */
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extern int setns (int __fd, int __nstype) __THROW;
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/* Apply the scheduling attributes from *ATTR to the process or thread TID. */
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int sched_setattr (pid_t tid, struct sched_attr *attr, unsigned int flags)
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__THROW __nonnull ((2));
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/* Obtain the scheduling attributes of the process or thread TID and
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store it in *ATTR. */
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int sched_getattr (pid_t tid, struct sched_attr *attr, unsigned int size,
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unsigned int flags)
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__THROW __nonnull ((2));
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#endif
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__END_DECLS
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#endif /* bits/sched.h */
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