4.104.114.84.95
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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 | #include <pthread.h> |
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15 | #include <errno.h> |
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16 | |
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17 | #include <rtems/system.h> |
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18 | #include <rtems/score/thread.h> |
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19 | |
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20 | int pthread_once( |
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21 | pthread_once_t *once_control, |
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22 | void (*init_routine)(void) |
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23 | ) |
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24 | { |
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25 | if ( !once_control || !init_routine ) |
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26 | return EINVAL; |
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27 | |
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28 | _Thread_Disable_dispatch(); |
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29 | |
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30 | if ( !once_control->init_executed ) { |
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31 | once_control->is_initialized = TRUE; |
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32 | once_control->init_executed = TRUE; |
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33 | (*init_routine)(); |
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34 | } |
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35 | |
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36 | _Thread_Enable_dispatch(); |
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37 | return 0; |
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38 | } |
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39 | |
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