diff options
Diffstat (limited to 'c/src/libchip/shmdr/getlq.c')
-rw-r--r-- | c/src/libchip/shmdr/getlq.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/c/src/libchip/shmdr/getlq.c b/c/src/libchip/shmdr/getlq.c deleted file mode 100644 index efc7b0996c..0000000000 --- a/c/src/libchip/shmdr/getlq.c +++ /dev/null @@ -1,48 +0,0 @@ -/* Shm_Envelope_control *Shm_Locked_queue_Get( lq_cb ) - * - * This routine returns an envelope control block from a shared - * memory queue. - * - * Input parameters: - * lq_cb - pointer to a locked queue control block - * - * Output parameters: - * returns - pointer to an envelope control block - * - NULL if no envelopes on specified queue - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <shm.h> - -Shm_Envelope_control *Shm_Locked_queue_Get( - Shm_Locked_queue_Control *lq_cb -) -{ - Shm_Envelope_control *tmp_ecb; - rtems_unsigned32 tmpfront; - - tmp_ecb = NULL; - Shm_Lock( lq_cb ); - - tmpfront = Shm_Convert(lq_cb->front); - if ( tmpfront != Shm_Locked_queue_End_of_list ) { - tmp_ecb = &Shm_Envelopes[ tmpfront ]; - lq_cb->front = tmp_ecb->next; - if ( tmp_ecb->next == Shm_Locked_queue_End_of_list ) - lq_cb->rear = Shm_Locked_queue_End_of_list; - tmp_ecb->next = Shm_Locked_queue_Not_on_list; - } - - Shm_Unlock( lq_cb ); - return( tmp_ecb ); -} |