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/**
* @file
*
* @brief POSIX Threads Initialize User Threads Body
* @ingroup POSIX_PTHREAD
*/
/*
* COPYRIGHT (c) 1989-2008.
* 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_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <pthread.h>
#include <limits.h>
#include <rtems/system.h>
#include <rtems/config.h>
#include <rtems/score/apiext.h>
#include <rtems/score/stack.h>
#include <rtems/score/thread.h>
#include <rtems/score/wkspace.h>
#include <rtems/posix/cancel.h>
#include <rtems/posix/posixapi.h>
#include <rtems/posix/pthreadimpl.h>
#include <rtems/posix/priorityimpl.h>
#include <rtems/posix/config.h>
#include <rtems/rtems/config.h>
static void *_POSIX_Global_construction( void *arg )
{
Thread_Control *executing = _Thread_Get_executing();
Thread_Entry_information entry = executing->Start.Entry;
entry.Kinds.Pointer.entry = Configuration_POSIX_API
.User_initialization_threads_table[ 0 ].thread_entry;
(void) arg;
_Thread_Global_construction( executing, &entry );
}
void _POSIX_Threads_Initialize_user_threads_body(void)
{
int eno;
uint32_t index;
uint32_t maximum;
posix_initialization_threads_table *user_threads;
pthread_t thread_id;
pthread_attr_t attr;
bool register_global_construction;
void *(*thread_entry)(void *);
user_threads = Configuration_POSIX_API.User_initialization_threads_table;
maximum = Configuration_POSIX_API.number_of_initialization_threads;
if ( !user_threads )
return;
register_global_construction =
Configuration_RTEMS_API.number_of_initialization_tasks == 0;
/*
* Be careful .. if the default attribute set changes, this may need to.
*
* Setting the attributes explicitly is critical, since we don't want
* to inherit the idle tasks attributes.
*/
for ( index=0 ; index < maximum ; index++ ) {
/*
* There is no way for these calls to fail in this situation.
*/
eno = pthread_attr_init( &attr );
_Assert( eno == 0 );
eno = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED );
_Assert( eno == 0 );
eno = pthread_attr_setstacksize(&attr, user_threads[ index ].stack_size);
_Assert( eno == 0 );
thread_entry = user_threads[ index ].thread_entry;
if ( thread_entry == NULL ) {
_Terminate(
INTERNAL_ERROR_CORE,
false,
INTERNAL_ERROR_POSIX_INIT_THREAD_ENTRY_IS_NULL
);
}
if ( register_global_construction ) {
register_global_construction = false;
thread_entry = _POSIX_Global_construction;
}
eno = pthread_create(
&thread_id,
&attr,
thread_entry,
NULL
);
if ( eno )
_POSIX_Fatal_error( POSIX_FD_PTHREAD, eno );
}
}
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