source: rtems/cpukit/posix/src/pthreadinitthreads.c @ 3fe2155

5
Last change on this file since 3fe2155 was 3fe2155, checked in by Sebastian Huber <sebastian.huber@…>, on 02/01/19 at 09:00:36

Remove superfluous <rtems/system.h> includes

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/**
2 * @file
3 *
4 * @brief POSIX Threads Initialize User Threads Body
5 * @ingroup POSIX_PTHREAD
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2008.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <errno.h>
22#include <pthread.h>
23#include <limits.h>
24
25#include <rtems/config.h>
26#include <rtems/score/stack.h>
27#include <rtems/score/thread.h>
28#include <rtems/score/wkspace.h>
29#include <rtems/posix/posixapi.h>
30#include <rtems/posix/pthreadimpl.h>
31#include <rtems/posix/priorityimpl.h>
32#include <rtems/posix/config.h>
33
34void _POSIX_Threads_Initialize_user_threads_body(void)
35{
36  int                                 eno;
37  uint32_t                            index;
38  uint32_t                            maximum;
39  posix_initialization_threads_table *user_threads;
40  pthread_t                           thread_id;
41  pthread_attr_t                      attr;
42
43  user_threads = _Configuration_POSIX_Initialization_threads;
44  maximum      = _Configuration_POSIX_Initialization_thread_count;
45
46  if ( !user_threads )
47    return;
48
49  /*
50   *  Be careful .. if the default attribute set changes, this may need to.
51   *
52   *  Setting the attributes explicitly is critical, since we don't want
53   *  to inherit the idle tasks attributes.
54   */
55
56  for ( index=0 ; index < maximum ; index++ ) {
57    /*
58     * There is no way for these calls to fail in this situation.
59     */
60    eno = pthread_attr_init( &attr );
61    _Assert( eno == 0 );
62    eno = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED );
63    _Assert( eno == 0 );
64    eno = pthread_attr_setstacksize(&attr, user_threads[ index ].stack_size);
65    _Assert( eno == 0 );
66
67    eno = pthread_create(
68      &thread_id,
69      &attr,
70      user_threads[ index ].thread_entry,
71      NULL
72    );
73    if ( eno != 0 ) {
74      _Internal_error( INTERNAL_ERROR_POSIX_INIT_THREAD_CREATE_FAILED );
75    }
76
77    if ( _Thread_Global_constructor == 0 ) {
78      _Thread_Global_constructor = thread_id;
79    }
80  }
81}
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