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-rw-r--r--cpukit/posix/src/pthread.c52
-rw-r--r--cpukit/posix/src/pthreadattrinit.c5
-rw-r--r--cpukit/posix/src/pthreadcreate.c19
3 files changed, 61 insertions, 15 deletions
diff --git a/cpukit/posix/src/pthread.c b/cpukit/posix/src/pthread.c
index 5988a5e772..f432b1ba53 100644
--- a/cpukit/posix/src/pthread.c
+++ b/cpukit/posix/src/pthread.c
@@ -17,10 +17,12 @@
#if HAVE_CONFIG_H
#include "config.h"
#endif
+#include <stdio.h>
#include <errno.h>
#include <pthread.h>
#include <limits.h>
+#include <assert.h>
#include <rtems/system.h>
#include <rtems/config.h>
@@ -46,13 +48,14 @@
* NOTE: Be careful .. if the default attribute set changes,
* _POSIX_Threads_Initialize_user_threads will need to be examined.
*/
-const pthread_attr_t _POSIX_Threads_Default_attributes = {
- true, /* is_initialized */
- NULL, /* stackaddr */
- 0, /* stacksize -- will be adjusted to minimum */
- PTHREAD_SCOPE_PROCESS, /* contentionscope */
- PTHREAD_INHERIT_SCHED, /* inheritsched */
- SCHED_FIFO, /* schedpolicy */
+pthread_attr_t _POSIX_Threads_Default_attributes = {
+ .is_initialized = true, /* is_initialized */
+ .stackaddr = NULL, /* stackaddr */
+ .stacksize = 0, /* stacksize -- will be adjusted to minimum */
+ .contentionscope = PTHREAD_SCOPE_PROCESS, /* contentionscope */
+ .inheritsched = PTHREAD_INHERIT_SCHED, /* inheritsched */
+ .schedpolicy = SCHED_FIFO, /* schedpolicy */
+ .schedparam =
{ /* schedparam */
2, /* sched_priority */
#if defined(_POSIX_SPORADIC_SERVER) || \
@@ -63,13 +66,19 @@ const pthread_attr_t _POSIX_Threads_Default_attributes = {
0 /* sched_ss_max_repl */
#endif
},
+
#if HAVE_DECL_PTHREAD_ATTR_SETGUARDSIZE
- 0, /* guardsize */
+ .guardsize = 0, /* guardsize */
#endif
#if defined(_POSIX_THREAD_CPUTIME)
- 1, /* cputime_clock_allowed */
+ .cputime_clock_allowed = 1, /* cputime_clock_allowed */
+ #endif
+ .detachstate = PTHREAD_CREATE_JOINABLE, /* detachstate */
+ #if defined(__RTEMS_HAVE_SYS_CPUSET_H__)
+ .affinitysetsize = 0,
+ .affinityset = NULL,
+ .affinitysetpreallocated = {{0x0}}
#endif
- PTHREAD_CREATE_JOINABLE, /* detachstate */
};
/*
@@ -187,7 +196,7 @@ static bool _POSIX_Threads_Create_extension(
created->API_Extensions[ THREAD_API_POSIX ] = api;
/* XXX check all fields are touched */
- api->Attributes = _POSIX_Threads_Default_attributes;
+ _POSIX_Threads_Initialize_attributes( &api->Attributes );
api->detachstate = _POSIX_Threads_Default_attributes.detachstate;
api->schedpolicy = _POSIX_Threads_Default_attributes.schedpolicy;
api->schedparam = _POSIX_Threads_Default_attributes.schedparam;
@@ -346,6 +355,27 @@ User_extensions_Control _POSIX_Threads_User_extensions = {
*/
void _POSIX_Threads_Manager_initialization(void)
{
+ #if defined(__RTEMS_HAVE_SYS_CPUSET_H__)
+ pthread_attr_t *attr;
+ int i;
+ int max_cpus = 1;
+
+ /* Initialize default attribute. */
+ attr = &_POSIX_Threads_Default_attributes;
+
+ /* We do not support a cpu count over CPU_SETSIZE */
+ max_cpus = _SMP_Get_processor_count();
+ assert( max_cpus <= CPU_SETSIZE );
+
+ /* Initialize the affinity to be the set of all available CPU's */
+ attr->affinityset = &attr->affinitysetpreallocated;
+ attr->affinitysetsize = sizeof( *attr->affinityset );
+ CPU_ZERO_S( attr->affinitysetsize, &attr->affinitysetpreallocated );
+
+ for (i=0; i<max_cpus; i++)
+ CPU_SET_S(i, attr->affinitysetsize, attr->affinityset );
+ #endif
+
_Objects_Initialize_information(
&_POSIX_Threads_Information, /* object information table */
OBJECTS_POSIX_API, /* object API */
diff --git a/cpukit/posix/src/pthreadattrinit.c b/cpukit/posix/src/pthreadattrinit.c
index cf0ecabfe9..3dc66449f9 100644
--- a/cpukit/posix/src/pthreadattrinit.c
+++ b/cpukit/posix/src/pthreadattrinit.c
@@ -34,6 +34,7 @@ int pthread_attr_init(
if ( !attr )
return EINVAL;
- *attr = _POSIX_Threads_Default_attributes;
- return 0;
+ _POSIX_Threads_Initialize_attributes( attr );
+
+ return 0;
}
diff --git a/cpukit/posix/src/pthreadcreate.c b/cpukit/posix/src/pthreadcreate.c
index b780eccfe9..b1483726e0 100644
--- a/cpukit/posix/src/pthreadcreate.c
+++ b/cpukit/posix/src/pthreadcreate.c
@@ -27,6 +27,7 @@
#include <rtems/posix/priorityimpl.h>
#include <rtems/posix/pthreadimpl.h>
#include <rtems/posix/time.h>
+#include <rtems/score/cpusetimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/apimutex.h>
#include <rtems/score/stackimpl.h>
@@ -136,6 +137,14 @@ int pthread_create(
if ( rc )
return rc;
+#if defined(RTEMS_SMP)
+#if __RTEMS_HAVE_SYS_CPUSET_H__
+ rc = _CPU_set_Is_valid( attr->affinityset, attr->affinitysetsize );
+ if ( rc != 0 )
+ return EINVAL;
+#endif
+#endif
+
/*
* Currently all POSIX threads are floating point if the hardware
* supports it.
@@ -179,19 +188,25 @@ int pthread_create(
0, /* isr level */
name /* posix threads don't have a name */
);
-
if ( !status ) {
_POSIX_Threads_Free( the_thread );
_RTEMS_Unlock_allocator();
return EAGAIN;
}
+#if defined(RTEMS_SMP)
+#if __RTEMS_HAVE_SYS_CPUSET_H__
+ the_thread->affinity.setsize = attr->affinitysetsize;
+ *the_thread->affinity.set = *attr->affinityset;
+#endif
+#endif
+
/*
* finish initializing the per API structure
*/
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
- api->Attributes = *the_attr;
+ _POSIX_Threads_Copy_attributes( &api->Attributes, the_attr );
api->detachstate = the_attr->detachstate;
api->schedpolicy = schedpolicy;
api->schedparam = schedparam;