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first cut at pthread_create

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This commit is contained in:
Joel Sherrill
1996-05-29 19:28:01 +00:00
parent 9c877c0df6
commit ece8c9abd3
5 changed files with 153 additions and 17 deletions
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6
c/src/exec/posix/headers/pthread.h
View File

@@ -80,7 +80,7 @@ STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Allocate( void );
* inactive chain of free pthread control blocks.
*/
STATIC INLINE void _POSIX_Threads_Free (
STATIC INLINE void _POSIX_Threads_Free(
POSIX_Threads_Control *the_pthread
);
@@ -98,7 +98,7 @@ STATIC INLINE void _POSIX_Threads_Free (
* to OBJECTS_ERROR and the_pthread is undefined.
*/
STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get (
STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get(
Objects_Id *id,
Objects_Locations *location
);
@@ -111,7 +111,7 @@ STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get (
* This function returns TRUE if the_pthread is NULL and FALSE otherwise.
*/
STATIC INLINE boolean _POSIX_Threads_Is_null (
STATIC INLINE boolean _POSIX_Threads_Is_null(
POSIX_Threads_Control *the_pthread
);

6
c/src/exec/posix/include/rtems/posix/pthread.h
View File

@@ -80,7 +80,7 @@ STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Allocate( void );
* inactive chain of free pthread control blocks.
*/
STATIC INLINE void _POSIX_Threads_Free (
STATIC INLINE void _POSIX_Threads_Free(
POSIX_Threads_Control *the_pthread
);
@@ -98,7 +98,7 @@ STATIC INLINE void _POSIX_Threads_Free (
* to OBJECTS_ERROR and the_pthread is undefined.
*/
STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get (
STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get(
Objects_Id *id,
Objects_Locations *location
);
@@ -111,7 +111,7 @@ STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get (
* This function returns TRUE if the_pthread is NULL and FALSE otherwise.
*/
STATIC INLINE boolean _POSIX_Threads_Is_null (
STATIC INLINE boolean _POSIX_Threads_Is_null(
POSIX_Threads_Control *the_pthread
);

76
c/src/exec/posix/src/pthread.c
View File

@@ -14,6 +14,7 @@
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/pthread.h>
#include <rtems/posix/priority.h>
#include <rtems/posix/config.h>
/*PAGE
@@ -172,12 +173,12 @@ void _POSIX_Threads_Manager_initialization(
_Objects_Initialize_information(
&_POSIX_Threads_Information,
OBJECTS_POSIX_THREADS,
TRUE,
FALSE, /* does not support global */
maximum_pthreads,
sizeof( POSIX_Threads_Control ),
TRUE,
_POSIX_PATH_MAX,
TRUE
5, /* length is arbitrary for now */
TRUE /* this class is threads */
);
/*
@@ -538,6 +539,11 @@ int pthread_create(
)
{
const pthread_attr_t *local_attr;
Priority_Control core_priority;
boolean is_fp;
boolean status;
Thread_Control *the_thread;
char *default_name = "psx";
local_attr = (attr) ? attr : &_POSIX_Threads_Default_attributes;
@@ -561,7 +567,69 @@ int pthread_create(
int detachstate;
#endif
return POSIX_NOT_IMPLEMENTED();
/*
* Validate the RTEMS API priority and convert it to the core priority range.
*/
if ( !_POSIX_Priority_Is_valid( attr->schedparam.sched_priority ) )
return EINVAL;
core_priority = _POSIX_Priority_To_core( attr->schedparam.sched_priority );
/*
* Currently all POSIX threads are floating point.
*/
is_fp = TRUE;
/*
* Disable dispatch for protection
*/
_Thread_Disable_dispatch();
/*
* Allocate the thread control block.
*
* NOTE: Global threads are not currently supported.
*/
the_thread = _POSIX_Threads_Allocate();
if ( !the_thread ) {
_Thread_Enable_dispatch();
return EINVAL;
}
/*
* Initialize the core thread for this task.
*/
status = _Thread_Initialize(
&_POSIX_Threads_Information,
the_thread,
attr->stackaddr,
attr->stacksize,
is_fp,
core_priority,
TRUE, /* preemptible */
TRUE, /* timesliced */
0, /* isr level */
&default_name /* posix threads don't have a name */
);
if ( !status ) {
_POSIX_Threads_Free( the_thread );
_Thread_Enable_dispatch();
return EINVAL;
}
*thread = the_thread->Object.id;
_Thread_Enable_dispatch();
return 0;
}
/*PAGE

6
cpukit/posix/include/rtems/posix/pthread.h
View File

@@ -80,7 +80,7 @@ STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Allocate( void );
* inactive chain of free pthread control blocks.
*/
STATIC INLINE void _POSIX_Threads_Free (
STATIC INLINE void _POSIX_Threads_Free(
POSIX_Threads_Control *the_pthread
);
@@ -98,7 +98,7 @@ STATIC INLINE void _POSIX_Threads_Free (
* to OBJECTS_ERROR and the_pthread is undefined.
*/
STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get (
STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get(
Objects_Id *id,
Objects_Locations *location
);
@@ -111,7 +111,7 @@ STATIC INLINE POSIX_Threads_Control *_POSIX_Threads_Get (
* This function returns TRUE if the_pthread is NULL and FALSE otherwise.
*/
STATIC INLINE boolean _POSIX_Threads_Is_null (
STATIC INLINE boolean _POSIX_Threads_Is_null(
POSIX_Threads_Control *the_pthread
);

76
cpukit/posix/src/pthread.c
View File

@@ -14,6 +14,7 @@
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/pthread.h>
#include <rtems/posix/priority.h>
#include <rtems/posix/config.h>
/*PAGE
@@ -172,12 +173,12 @@ void _POSIX_Threads_Manager_initialization(
_Objects_Initialize_information(
&_POSIX_Threads_Information,
OBJECTS_POSIX_THREADS,
TRUE,
FALSE, /* does not support global */
maximum_pthreads,
sizeof( POSIX_Threads_Control ),
TRUE,
_POSIX_PATH_MAX,
TRUE
5, /* length is arbitrary for now */
TRUE /* this class is threads */
);
/*
@@ -538,6 +539,11 @@ int pthread_create(
)
{
const pthread_attr_t *local_attr;
Priority_Control core_priority;
boolean is_fp;
boolean status;
Thread_Control *the_thread;
char *default_name = "psx";
local_attr = (attr) ? attr : &_POSIX_Threads_Default_attributes;
@@ -561,7 +567,69 @@ int pthread_create(
int detachstate;
#endif
return POSIX_NOT_IMPLEMENTED();
/*
* Validate the RTEMS API priority and convert it to the core priority range.
*/
if ( !_POSIX_Priority_Is_valid( attr->schedparam.sched_priority ) )
return EINVAL;
core_priority = _POSIX_Priority_To_core( attr->schedparam.sched_priority );
/*
* Currently all POSIX threads are floating point.
*/
is_fp = TRUE;
/*
* Disable dispatch for protection
*/
_Thread_Disable_dispatch();
/*
* Allocate the thread control block.
*
* NOTE: Global threads are not currently supported.
*/
the_thread = _POSIX_Threads_Allocate();
if ( !the_thread ) {
_Thread_Enable_dispatch();
return EINVAL;
}
/*
* Initialize the core thread for this task.
*/
status = _Thread_Initialize(
&_POSIX_Threads_Information,
the_thread,
attr->stackaddr,
attr->stacksize,
is_fp,
core_priority,
TRUE, /* preemptible */
TRUE, /* timesliced */
0, /* isr level */
&default_name /* posix threads don't have a name */
);
if ( !status ) {
_POSIX_Threads_Free( the_thread );
_Thread_Enable_dispatch();
return EINVAL;
}
*thread = the_thread->Object.id;
_Thread_Enable_dispatch();
return 0;
}
/*PAGE