diff options
Diffstat (limited to 'cpukit/posix/src/pthreadattrsetaffinitynp.c')
-rw-r--r-- | cpukit/posix/src/pthreadattrsetaffinitynp.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/cpukit/posix/src/pthreadattrsetaffinitynp.c b/cpukit/posix/src/pthreadattrsetaffinitynp.c new file mode 100644 index 0000000000..6a60aa2128 --- /dev/null +++ b/cpukit/posix/src/pthreadattrsetaffinitynp.c @@ -0,0 +1,54 @@ +#if HAVE_CONFIG_H +#include "config.h" +#endif + +/** + * @file + * + * @brief Pthread Attribute Set Affinity + * @ingroup POSIXAPI + */ + +/* + * COPYRIGHT (c) 2014. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#if HAVE_DECL_PTHREAD_ATTR_SETAFFINITY_NP + +#define _GNU_SOURCE +#include <pthread.h> +#include <errno.h> + +#include <rtems/posix/pthreadimpl.h> +#include <rtems/posix/priorityimpl.h> +#include <rtems/score/threadimpl.h> +#include <rtems/score/cpusetimpl.h> + +int pthread_attr_setaffinity_np( + pthread_attr_t *attr, + size_t cpusetsize, + const cpu_set_t *cpuset +) +{ + int error; + + if ( !cpuset ) + return EFAULT; + if ( !attr ) + return EFAULT; + + error = _CPU_set_Is_valid( cpuset, cpusetsize ); + if ( error != 0 ) + return EINVAL; + + CPU_COPY( attr->affinityset, cpuset ); + + return 0; +} + +#endif |