diff options
Diffstat (limited to 'c/src/lib/libbsp/unix/posix/shmsupp/lock.c')
| -rw-r--r-- | c/src/lib/libbsp/unix/posix/shmsupp/lock.c | 60 |
1 files changed, 8 insertions, 52 deletions
diff --git a/c/src/lib/libbsp/unix/posix/shmsupp/lock.c b/c/src/lib/libbsp/unix/posix/shmsupp/lock.c index 0dd0cbd8b3..76a57d0a06 100644 --- a/c/src/lib/libbsp/unix/posix/shmsupp/lock.c +++ b/c/src/lib/libbsp/unix/posix/shmsupp/lock.c @@ -17,18 +17,9 @@ * $Id$ */ -#include <rtems.h> - #include <bsp.h> #include <shm.h> -#include <errno.h> -#include <stdio.h> -#include <unistd.h> -#include <sys/ipc.h> -#include <sys/shm.h> -#include <sys/sem.h> - extern int semid; /* @@ -55,30 +46,13 @@ void Shm_Lock( Shm_Locked_queue_Control *lq_cb ) { - rtems_unsigned32 isr_level; - struct sembuf sb; - int status; - - sb.sem_num = lq_cb->lock; - sb.sem_op = -1; - sb.sem_flg = 0; + rtems_unsigned32 isr_level; - rtems_interrupt_disable( isr_level ); + rtems_interrupt_disable( isr_level ); - Shm_isrstat = isr_level; + Shm_isrstat = isr_level; - while (1) { - status = semop(semid, &sb, 1); - if ( status >= 0 ) - break; - if ( status == -1 ) { - fix_syscall_errno(); /* in case of newlib */ - if (errno == EINTR) - continue; - perror("shm lock"); - rtems_fatal_error_occurred(RTEMS_UNSATISFIED); - } - } + _CPU_SHM_Lock( lq_cb->lock ); } /* @@ -91,28 +65,10 @@ void Shm_Unlock( Shm_Locked_queue_Control *lq_cb ) { - rtems_unsigned32 isr_level; - struct sembuf sb; - int status; - - sb.sem_num = lq_cb->lock; - sb.sem_op = 1; - sb.sem_flg = 0; - - while (1) { - status = semop(semid, &sb, 1); - if ( status >= 0 ) - break; + rtems_unsigned32 isr_level; - if ( status == -1 ) { - fix_syscall_errno(); /* in case of newlib */ - if (errno == EINTR) - continue; - perror("shm unlock"); - rtems_fatal_error_occurred(RTEMS_UNSATISFIED); - } - } + _CPU_SHM_Unlock( lq_cb->lock ); - isr_level = Shm_isrstat; - rtems_interrupt_enable( isr_level ); + isr_level = Shm_isrstat; + rtems_interrupt_enable( isr_level ); } |