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add pthread_setaffinity_np and pthread_getaffinity_np functions

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This commit is contained in:
Rich Felker 2013-08-10 21:41:05 -04:00
commit 7406fdf5a1
4 changed files with 29 additions and 18 deletions
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26
src/sched/affinity.c Normal file
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@ -0,0 +1,26 @@
#define _GNU_SOURCE
#include <sched.h>
#include "pthread_impl.h"
#include "syscall.h"
int sched_setaffinity(pid_t tid, size_t size, const cpu_set_t *set)
{
return syscall(SYS_sched_setaffinity, tid, size, set);
}
int pthread_setaffinity_np(pthread_t td, size_t size, const cpu_set_t *set)
{
return syscall(SYS_sched_setaffinity, td->tid, size, set);
}
int sched_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
{
long ret = __syscall(SYS_sched_getaffinity, tid, size, set);
if (ret > 0) ret = 0;
return __syscall_ret(ret);
}
int pthread_getaffinity_np(pthread_t td, size_t size, cpu_set_t *set)
{
return sched_getaffinity(td->tid, size, set);
}

10
src/sched/sched_getaffinity.c
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@ -1,10 +0,0 @@
#define _GNU_SOURCE
#include <sched.h>
#include "syscall.h"
int sched_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
{
long ret = __syscall(SYS_sched_getaffinity, tid, size, set);
if (ret > 0) ret = 0;
return __syscall_ret(ret);
}

8
src/sched/sched_setaffinity.c
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@ -1,8 +0,0 @@
#define _GNU_SOURCE
#include <sched.h>
#include "syscall.h"
int sched_setaffinity(pid_t tid, size_t size, const cpu_set_t *set)
{
return syscall(SYS_sched_setaffinity, tid, size, set);
}