4.104.114.84.95
Last change
on this file since b04ee63 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
|
Rev | Line | |
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[03598b1] | 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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[08311cc3] | 4 | * COPYRIGHT (c) 1989-1999. |
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[03598b1] | 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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[f42b726] | 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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[03598b1] | 18 | #include <pthread.h> |
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| 19 | #include <errno.h> |
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| 20 | |
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[b04ee63] | 21 | #include <rtems.h> |
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[03598b1] | 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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[b04ee63] | 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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[03598b1] | 42 | } |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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