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author | Jennifer Averett <jennifer.averett@oarcorp.com> | 2014-02-10 12:30:39 -0600 |
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committer | Jennifer Averett <jennifer.averett@oarcorp.com> | 2014-03-07 09:10:01 -0600 |
commit | 29cacfdbf3a7b90ecb513a591f225e68f14ad340 (patch) | |
tree | 4e53d1371fe32f5cda0f7dc2098c674baf9f8edd /cpukit/rtems/src | |
parent | sapi: Moved smp initialization and added cpuset initilization. (diff) | |
download | rtems-29cacfdbf3a7b90ecb513a591f225e68f14ad340.tar.bz2 |
rtems: Add Classic API get and set affinity methods.
Add the following methods:
+ rtems_task_get_affinity
+ rtems_task_set_affinity
Diffstat (limited to 'cpukit/rtems/src')
-rw-r--r-- | cpukit/rtems/src/taskgetaffinity.c | 63 | ||||
-rw-r--r-- | cpukit/rtems/src/tasksetaffinity.c | 62 |
2 files changed, 125 insertions, 0 deletions
diff --git a/cpukit/rtems/src/taskgetaffinity.c b/cpukit/rtems/src/taskgetaffinity.c new file mode 100644 index 0000000000..9f625e334c --- /dev/null +++ b/cpukit/rtems/src/taskgetaffinity.c @@ -0,0 +1,63 @@ +/** + * @file + * + * @brief RTEMS Task Get Affinity + * @ingroup ClassicTasks Tasks + */ + +/* + * 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.com/license/LICENSE. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#if defined(__RTEMS_HAVE_SYS_CPUSET_H__) + +#include <rtems/rtems/tasks.h> +#include <rtems/score/threadimpl.h> +#include <rtems/score/cpusetimpl.h> + +rtems_status_code rtems_task_get_affinity( + rtems_id id, + size_t cpusetsize, + cpu_set_t *cpuset +) +{ + Thread_Control *the_thread; + Objects_Locations location; + rtems_status_code status = RTEMS_SUCCESSFUL; + + if ( !cpuset ) + return RTEMS_INVALID_ADDRESS; + + the_thread = _Thread_Get( id, &location ); + + switch ( location ) { + + case OBJECTS_LOCAL: + if ( cpusetsize != the_thread->affinity.setsize ) { + status = RTEMS_INVALID_NUMBER; + } else { + CPU_COPY( cpuset, the_thread->affinity.set ); + } + _Objects_Put( &the_thread->Object ); + return status; + +#if defined(RTEMS_MULTIPROCESSING) + case OBJECTS_REMOTE: +#endif + + case OBJECTS_ERROR: + break; + } + + return RTEMS_INVALID_ID; +} +#endif diff --git a/cpukit/rtems/src/tasksetaffinity.c b/cpukit/rtems/src/tasksetaffinity.c new file mode 100644 index 0000000000..cecb2686a4 --- /dev/null +++ b/cpukit/rtems/src/tasksetaffinity.c @@ -0,0 +1,62 @@ +/** + * @file + * + * @brief RTEMS Task Set Affinity + * @ingroup ClassicTasks Tasks + */ + +/* + * 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.com/license/LICENSE. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#if defined(__RTEMS_HAVE_SYS_CPUSET_H__) + +#include <rtems/rtems/tasks.h> +#include <rtems/score/threadimpl.h> +#include <rtems/score/cpusetimpl.h> + +rtems_status_code rtems_task_set_affinity( + rtems_id id, + size_t cpusetsize, + cpu_set_t *cpuset +) +{ + Thread_Control *the_thread; + Objects_Locations location; + int error; + + if ( !cpuset ) + return RTEMS_INVALID_ADDRESS; + + error = _CPU_set_Is_valid( cpuset, cpusetsize ); + if ( error != 0 ) + return RTEMS_INVALID_NUMBER; + + the_thread = _Thread_Get( id, &location ); + switch ( location ) { + + case OBJECTS_LOCAL: + CPU_COPY( the_thread->affinity.set, cpuset ); + _Objects_Put( &the_thread->Object ); + return RTEMS_SUCCESSFUL; + +#if defined(RTEMS_MULTIPROCESSING) + case OBJECTS_REMOTE: +#endif + + case OBJECTS_ERROR: + break; + } + + return RTEMS_INVALID_ID; +} +#endif |