4.104.114.84.95
Last change
on this file since aaf6063 was
f42b726,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/24/01 at 14:17:28
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2001-01-24 Ralf Corsepius <corsepiu@…>
- configure.in: Add src/config.h
- src/Makefile.am: Add INCLUDES += -I. to pickup config.h
- src/.cvsignore: Add config.h and stamp-h
- src/*.c: Add config.h support.
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-
Property mode set to
100644
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File size:
1.0 KB
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Line | |
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1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | #if HAVE_CONFIG_H |
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6 | #include "config.h" |
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7 | #endif |
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8 | |
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9 | #include <stdarg.h> |
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10 | |
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11 | #include <errno.h> |
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12 | #include <fcntl.h> |
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13 | #include <pthread.h> |
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14 | #include <semaphore.h> |
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15 | #include <limits.h> |
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16 | |
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17 | #include <rtems/system.h> |
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18 | #include <rtems/score/object.h> |
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19 | #include <rtems/posix/semaphore.h> |
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20 | #include <rtems/posix/time.h> |
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21 | #include <rtems/seterr.h> |
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22 | |
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23 | /*PAGE |
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24 | * |
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25 | * 11.2.8 Get the Value of a Semaphore, P1003.1b-1993, p.229 |
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26 | */ |
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27 | |
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28 | int sem_getvalue( |
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29 | sem_t *sem, |
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30 | int *sval |
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31 | ) |
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32 | { |
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33 | register POSIX_Semaphore_Control *the_semaphore; |
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34 | Objects_Locations location; |
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35 | |
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36 | the_semaphore = _POSIX_Semaphore_Get( sem, &location ); |
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37 | switch ( location ) { |
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38 | case OBJECTS_ERROR: |
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39 | set_errno_and_return_minus_one( EINVAL ); |
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40 | case OBJECTS_REMOTE: |
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41 | _Thread_Dispatch(); |
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42 | return POSIX_MP_NOT_IMPLEMENTED(); |
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43 | set_errno_and_return_minus_one( EINVAL ); |
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44 | case OBJECTS_LOCAL: |
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45 | *sval = _CORE_semaphore_Get_count( &the_semaphore->Semaphore ); |
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46 | _Thread_Enable_dispatch(); |
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47 | return 0; |
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48 | } |
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49 | return POSIX_BOTTOM_REACHED(); |
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50 | } |
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