1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Destroy a Condition Variable |
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5 | * @ingroup POSIXAPI |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2007. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <pthread.h> |
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22 | #include <errno.h> |
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23 | |
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24 | #include <rtems/system.h> |
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25 | #include <rtems/score/watchdog.h> |
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26 | #include <rtems/posix/condimpl.h> |
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27 | #include <rtems/posix/muteximpl.h> |
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28 | |
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29 | /** |
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30 | * 11.4.2 Initializing and Destroying a Condition Variable, |
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31 | * P1003.1c/Draft 10, p. 87 |
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32 | */ |
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33 | int pthread_cond_destroy( |
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34 | pthread_cond_t *cond |
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35 | ) |
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36 | { |
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37 | POSIX_Condition_variables_Control *the_cond; |
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38 | Objects_Locations location; |
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39 | |
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40 | _Objects_Allocator_lock(); |
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41 | the_cond = _POSIX_Condition_variables_Get( cond, &location ); |
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42 | switch ( location ) { |
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43 | |
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44 | case OBJECTS_LOCAL: |
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45 | |
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46 | if ( |
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47 | _Thread_queue_First( |
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48 | &the_cond->Wait_queue, |
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49 | POSIX_CONDITION_VARIABLES_TQ_OPERATIONS |
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50 | ) |
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51 | ) { |
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52 | _Objects_Put( &the_cond->Object ); |
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53 | _Objects_Allocator_unlock(); |
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54 | return EBUSY; |
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55 | } |
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56 | |
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57 | _Objects_Close( |
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58 | &_POSIX_Condition_variables_Information, |
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59 | &the_cond->Object |
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60 | ); |
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61 | _Objects_Put( &the_cond->Object ); |
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62 | _POSIX_Condition_variables_Free( the_cond ); |
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63 | _Objects_Allocator_unlock(); |
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64 | return 0; |
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65 | |
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66 | #if defined(RTEMS_MULTIPROCESSING) |
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67 | case OBJECTS_REMOTE: |
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68 | #endif |
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69 | case OBJECTS_ERROR: |
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70 | break; |
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71 | } |
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72 | |
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73 | _Objects_Allocator_unlock(); |
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74 | |
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75 | return EINVAL; |
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76 | } |
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