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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/pthread_attr_setaffinity_np.3 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/pthread_attr_setaffinity_np.3')
-rw-r--r-- | man3/pthread_attr_setaffinity_np.3 | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/man3/pthread_attr_setaffinity_np.3 b/man3/pthread_attr_setaffinity_np.3 deleted file mode 100644 index 0ab2224..0000000 --- a/man3/pthread_attr_setaffinity_np.3 +++ /dev/null @@ -1,120 +0,0 @@ -'\" t -.\" Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk -.\" <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.TH pthread_attr_setaffinity_np 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -pthread_attr_setaffinity_np, pthread_attr_getaffinity_np \- set/get -CPU affinity attribute in thread attributes object -.SH LIBRARY -POSIX threads library -.RI ( libpthread ", " \-lpthread ) -.SH SYNOPSIS -.nf -.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" -.B #include <pthread.h> -.P -.BI "int pthread_attr_setaffinity_np(pthread_attr_t *" attr , -.BI " size_t " cpusetsize ", const cpu_set_t *" cpuset ); -.BI "int pthread_attr_getaffinity_np(const pthread_attr_t *" attr , -.BI " size_t " cpusetsize ", cpu_set_t *" cpuset ); -.fi -.SH DESCRIPTION -The -.BR pthread_attr_setaffinity_np () -function -sets the CPU affinity mask attribute of the -thread attributes object referred to by -.I attr -to the value specified in -.IR cpuset . -This attribute determines the CPU affinity mask -of a thread created using the thread attributes object -.IR attr . -.P -The -.BR pthread_attr_getaffinity_np () -function -returns the CPU affinity mask attribute of the thread attributes object -referred to by -.I attr -in the buffer pointed to by -.IR cpuset . -.P -The argument -.I cpusetsize -is the length (in bytes) of the buffer pointed to by -.IR cpuset . -Typically, this argument would be specified as -.IR sizeof(cpu_set_t) . -.P -For more details on CPU affinity masks, see -.BR sched_setaffinity (2). -For a description of a set of macros -that can be used to manipulate and inspect CPU sets, see -.BR CPU_SET (3). -.SH RETURN VALUE -On success, these functions return 0; -on error, they return a nonzero error number. -.SH ERRORS -.TP -.B EINVAL -.RB ( pthread_attr_setaffinity_np ()) -.I cpuset -specified a CPU that was outside the set supported by the kernel. -(The kernel configuration option -.B CONFIG_NR_CPUS -defines the range of the set supported by the kernel data type -.\" cpumask_t -used to represent CPU sets.) -.\" The raw sched_getaffinity() system call returns the size (in bytes) -.\" of the cpumask_t type. -.TP -.B EINVAL -.RB ( pthread_attr_getaffinity_np ()) -A CPU in the affinity mask of the thread attributes object referred to by -.I attr -lies outside the range specified by -.I cpusetsize -(i.e., -.IR cpuset / cpusetsize -is too small). -.TP -.B ENOMEM -.RB ( pthread_attr_setaffinity_np ()) -Could not allocate memory. -.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_setaffinity_np (), -.BR pthread_attr_getaffinity_np () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -GNU; -hence the suffix "_np" (nonportable) in the names. -.SH HISTORY -glibc 2.3.4. -.SH NOTES -In glibc 2.3.3 only, -versions of these functions were provided that did not have a -.I cpusetsize -argument. -Instead the CPU set size given to the underlying system calls was always -.IR sizeof(cpu_set_t) . -.SH SEE ALSO -.BR sched_setaffinity (2), -.BR pthread_attr_init (3), -.BR pthread_setaffinity_np (3), -.BR cpuset (7), -.BR pthreads (7) |