Merging upstream version 6.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 139 deletions

diff --git a/man3/pthread_attr_setscope.3 b/man3/pthread_attr_setscope.3
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-'\" t
-.\" Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk
-.\"     <mtk.manpages@gmail.com>
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.TH pthread_attr_setscope 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-pthread_attr_setscope, pthread_attr_getscope \- set/get contention scope
-attribute in thread attributes object
-.SH LIBRARY
-POSIX threads library
-.RI ( libpthread ", " \-lpthread )
-.SH SYNOPSIS
-.nf
-.B #include <pthread.h>
-.P
-.BI "int pthread_attr_setscope(pthread_attr_t *" attr ", int " scope );
-.BI "int pthread_attr_getscope(const pthread_attr_t *restrict " attr ,
-.BI "                          int *restrict " scope );
-.fi
-.SH DESCRIPTION
-The
-.BR pthread_attr_setscope ()
-function sets the contention scope attribute of the
-thread attributes object referred to by
-.I attr
-to the value specified in
-.IR scope .
-The contention scope attribute defines the set of threads
-against which a thread competes for resources such as the CPU.
-POSIX.1 specifies two possible values for
-.IR scope :
-.TP
-.B PTHREAD_SCOPE_SYSTEM
-The thread competes for resources with all other threads
-in all processes on the system that are in the same scheduling
-allocation domain (a group of one or more processors).
-.B PTHREAD_SCOPE_SYSTEM
-threads are scheduled relative to one another
-according to their scheduling policy and priority.
-.TP
-.B PTHREAD_SCOPE_PROCESS
-The thread competes for resources with all other threads
-in the same process that were also created with the
-.B PTHREAD_SCOPE_PROCESS
-contention scope.
-.B PTHREAD_SCOPE_PROCESS
-threads are scheduled relative to other threads in the process
-according to their scheduling policy and priority.
-POSIX.1 leaves it unspecified how these threads contend
-with other threads in other process on the system or
-with other threads in the same process that
-were created with the
-.B PTHREAD_SCOPE_SYSTEM
-contention scope.
-.P
-POSIX.1 requires that an implementation support at least one of these
-contention scopes.
-Linux supports
-.BR PTHREAD_SCOPE_SYSTEM ,
-but not
-.BR PTHREAD_SCOPE_PROCESS .
-.P
-On systems that support multiple contention scopes, then,
-in order for the parameter setting made by
-.BR pthread_attr_setscope ()
-to have effect when calling
-.BR pthread_create (3),
-the caller must use
-.BR pthread_attr_setinheritsched (3)
-to set the inherit-scheduler attribute of the attributes object
-.I attr
-to
-.BR PTHREAD_EXPLICIT_SCHED .
-.P
-The
-.BR pthread_attr_getscope ()
-function returns the contention scope attribute of the
-thread attributes object referred to by
-.I attr
-in the buffer pointed to by
-.IR scope .
-.SH RETURN VALUE
-On success, these functions return 0;
-on error, they return a nonzero error number.
-.SH ERRORS
-.BR pthread_attr_setscope ()
-can fail with the following errors:
-.TP
-.B EINVAL
-An invalid value was specified in
-.IR scope .
-.TP
-.B ENOTSUP
-.I scope
-specified the value
-.BR PTHREAD_SCOPE_PROCESS ,
-which is not supported on Linux.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface	Attribute	Value
-T{
-.na
-.nh
-.BR pthread_attr_setscope (),
-.BR pthread_attr_getscope ()
-T}	Thread safety	MT-Safe
-.TE
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001.
-.SH NOTES
-The
-.B PTHREAD_SCOPE_SYSTEM
-contention scope typically indicates that a user-space thread is
-bound directly to a single kernel-scheduling entity.
-This is the case on Linux for the obsolete LinuxThreads implementation
-and the modern NPTL implementation,
-which are both 1:1 threading implementations.
-.P
-POSIX.1 specifies that the default contention scope is
-implementation-defined.
-.SH SEE ALSO
-.ad l
-.nh
-.BR pthread_attr_init (3),
-.BR pthread_attr_setaffinity_np (3),
-.BR pthread_attr_setinheritsched (3),
-.BR pthread_attr_setschedparam (3),
-.BR pthread_attr_setschedpolicy (3),
-.BR pthread_create (3),
-.BR pthreads (7)