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2013-11-29 Jennifer Averett <jennifer.averett@oarcorp.com>

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* libc/include/pthread.h (pthread_attr_setaffinity_np):
	Add pthread SMP affinity attributes to methods to RTEMS for
	compatibility with GNU/Linux.
	(pthread_attr_getaffinity_np): Likewise.
	(pthread_setaffinity_np): Likewise.
	(pthread_getaffinity_np): Likewise.
	(pthread_getattr_np): Add for GNU/Linux compatibility.
	* libc/include/sys/types.h: Add cpuset to pthread_attr_t for RTEMS.
	* libc/include/sys/cdefs.h (_GNU_SOURCE): Defining _GNU_SOURCE
	turns on all _XXX_VISBLE feature flags.
This commit is contained in:
Joel Sherrill 2013-11-29 23:14:57 +00:00
parent 8116e5e59b
commit 62c28b76ac
4 changed files with 54 additions and 3 deletions
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13
newlib/ChangeLog
View File

@ -1,3 +1,16 @@
2013-11-29 Jennifer Averett <jennifer.averett@oarcorp.com>
* libc/include/pthread.h (pthread_attr_setaffinity_np):
Add pthread SMP affinity attributes to methods to RTEMS for
compatibility with GNU/Linux.
(pthread_attr_getaffinity_np): Likewise.
(pthread_setaffinity_np): Likewise.
(pthread_getaffinity_np): Likewise.
(pthread_getattr_np): Add for GNU/Linux compatibility.
* libc/include/sys/types.h: Add cpuset to pthread_attr_t for RTEMS.
* libc/include/sys/cdefs.h (_GNU_SOURCE): Defining _GNU_SOURCE
turns on all _XXX_VISBLE feature flags.
2013-11-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/sys/rtems/cpusetalloc.c: New file.

26
newlib/libc/include/pthread.h
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@ -2,7 +2,7 @@
*
* Written by Joel Sherrill <joel@OARcorp.com>.
*
* COPYRIGHT (c) 1989-2010.
* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* Permission to use, copy, modify, and distribute this software for any
@ -32,6 +32,7 @@ extern "C" {
#include <sys/types.h>
#include <time.h>
#include <sys/sched.h>
#include <sys/cdefs.h>
/* Register Fork Handlers */
int _EXFUN(pthread_atfork,(void (*prepare)(void), void (*parent)(void),
@ -206,6 +207,29 @@ int _EXFUN(pthread_attr_getguardsize,
int _EXFUN(pthread_attr_setguardsize,
(pthread_attr_t *__attr, size_t __guardsize));
/* POSIX thread APIs beyond the POSIX standard but provided
* in GNU/Linux. They may be provided by other OSes for
* compatibility.
*/
#if defined(__GNU_VISIBLE)
#if defined(__rtems__)
int _EXFUN(pthread_attr_setaffinity_np,
(pthread_attr_t *__attr, size_t __cpusetsize,
const cpu_set_t *__cpuset));
int _EXFUN(pthread_attr_getaffinity_np,
(const pthread_attr_t *__attr, size_t __cpusetsize,
cpu_set_t *__cpuset));
int _EXFUN(pthread_setaffinity_np,
(pthread_t __id, size_t __cpusetsize, const cpu_set_t *__cpuset));
int _EXFUN(pthread_getaffinity_np,
(const pthread_t __id, size_t __cpusetsize, cpu_set_t *__cpuset));
int _EXFUN(pthread_getattr_np,
(pthread_t __id, pthread_attr_t *__attr));
#endif /* defined(__rtems__) */
#endif /* defined(__GNU_VISIBLE) */
/* Thread Creation, P1003.1c/Draft 10, p. 144 */
int _EXFUN(pthread_create,

8
newlib/libc/include/sys/cdefs.h
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@ -693,7 +693,13 @@
#define __XSI_VISIBLE 0
#define __BSD_VISIBLE 0
#define __ISO_C_VISIBLE 2011
#else /* Default environment: show everything. */
#elif defined(_GNU_SOURCE) /* Everything and the kitchen sink. */
#define __POSIX_VISIBLE 200809
#define __XSI_VISIBLE 700
#define __BSD_VISIBLE 1
#define __ISO_C_VISIBLE 2011
#define __GNU_VISIBLE 1
#else /* Default: everything except __GNU_VISIBLE. */
#define __POSIX_VISIBLE 200809
#define __XSI_VISIBLE 700
#define __BSD_VISIBLE 1

10
newlib/libc/include/sys/types.h
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@ -322,6 +322,10 @@ typedef __uint32_t pthread_t; /* identify a thread */
#define PTHREAD_CREATE_DETACHED 0
#define PTHREAD_CREATE_JOINABLE 1
#if defined(__rtems__)
#include <sys/cpuset.h>
#endif
#if defined(__XMK__)
typedef struct pthread_attr_s {
int contentionscope;
@ -351,7 +355,11 @@ typedef struct {
int cputime_clock_allowed; /* see time.h */
#endif
int detachstate;
#if defined(__rtems__)
size_t affinitysetsize;
cpu_set_t *affinityset;
cpu_set_t affinitysetpreallocated;
#endif
} pthread_attr_t;
#endif /* !defined(__XMK__) */