diff options
Diffstat (limited to 'c/src/libchip/shmdr/poll.c')
-rw-r--r-- | c/src/libchip/shmdr/poll.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/c/src/libchip/shmdr/poll.c b/c/src/libchip/shmdr/poll.c deleted file mode 100644 index 27361f08eb..0000000000 --- a/c/src/libchip/shmdr/poll.c +++ /dev/null @@ -1,53 +0,0 @@ -/* void Shm_Poll() - * - * This routine polls to see if a packet has arrived. If one - * has it informs the executive. It is typically called from - * the clock tick interrupt service routine. - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * 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 <rtems/score/sysstate.h> -#include <rtems/libio.h> - -#include "shm.h" - -void Shm_Poll() -{ - rtems_unsigned32 tmpfront; - rtems_libio_ioctl_args_t args; - - /* invoke clock isr */ - args.iop = 0; - args.command = rtems_build_name('I', 'S', 'R', ' '); - (void) rtems_io_control(rtems_clock_major, rtems_clock_minor, &args); - - /* - * Check for msgs only if we are "up" - * This avoids a race condition where we may get a clock - * interrupt before MPCI has completed its init - */ - - if (_System_state_Is_up(_System_state_Get())) - { - tmpfront = Shm_Local_receive_queue->front; - if ( Shm_Convert(tmpfront) != Shm_Locked_queue_End_of_list ) - { - rtems_multiprocessing_announce(); - Shm_Interrupt_count++; - } - } -} |