4.104.114.84.95
Last change
on this file since f22ebf0 was
b04ee63,
checked in by Joel Sherrill <joel.sherrill@…>, on 03/01/02 at 17:49:57
|
2002-03-01 Eric Norum <eric.norum@…>
- src/pthreadonce.c: Task is not preemptable while running a
pthread_once init function. This is slightly less heavy handed
than disabling dispatching and seems better than consuming a mutex.
|
-
Property mode set to
100644
|
File size:
1.0 KB
|
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1 | /* |
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2 | * 16.1.8 Dynamic Package Initialization, P1003.1c/Draft 10, p. 154 |
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3 | * |
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4 | * COPYRIGHT (c) 1989-1999. |
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5 | * On-Line Applications Research Corporation (OAR). |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.OARcorp.com/rtems/license.html. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #if HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #include <pthread.h> |
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19 | #include <errno.h> |
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20 | |
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21 | #include <rtems.h> |
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22 | #include <rtems/system.h> |
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23 | #include <rtems/score/thread.h> |
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24 | |
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25 | int pthread_once( |
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26 | pthread_once_t *once_control, |
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27 | void (*init_routine)(void) |
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28 | ) |
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29 | { |
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30 | if ( !once_control || !init_routine ) |
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31 | return EINVAL; |
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32 | |
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33 | if ( !once_control->init_executed ) { |
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34 | rtems_mode saveMode; |
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35 | rtems_task_mode(RTEMS_NO_PREEMPT, RTEMS_PREEMPT_MASK, &saveMode); |
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36 | if ( !once_control->init_executed ) { |
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37 | once_control->is_initialized = TRUE; |
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38 | once_control->init_executed = TRUE; |
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39 | (*init_routine)(); |
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40 | } |
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41 | rtems_task_mode(saveMode, RTEMS_PREEMPT_MASK, &saveMode); |
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42 | } |
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43 | return 0; |
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44 | } |
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45 | |
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