datapath/linux-2.6/compat-2.6/include/linux/workqueue.h

   1 #ifndef __LINUX_WORKQUEUE_WRAPPER_H
   2 #define __LINUX_WORKQUEUE_WRAPPER_H 1
   3
   4 #include_next <linux/workqueue.h>
   5
   6 #include <linux/version.h>
   7 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
   8
   9 #ifdef __KERNEL__
  10 /*
  11  * initialize a work-struct's func and data pointers:
  12  */
  13 #undef PREPARE_WORK
  14 #define PREPARE_WORK(_work, _func)                              \
  15         do {                                                    \
  16                 (_work)->func = (void(*)(void*)) _func;         \
  17                 (_work)->data = _work;                          \
  18         } while (0)
  19
  20 /*
  21  * initialize all of a work-struct:
  22  */
  23 #undef INIT_WORK
  24 #define INIT_WORK(_work, _func)                                 \
  25         do {                                                    \
  26                 INIT_LIST_HEAD(&(_work)->entry);                \
  27                 (_work)->pending = 0;                           \
  28                 PREPARE_WORK((_work), (_func));                 \
  29                 init_timer(&(_work)->timer);                    \
  30         } while (0)
  31
  32 #endif /* __KERNEL__ */
  33
  34 #endif /* linux kernel < 2.6.20 */
  35
  36 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
  37 /* There is no equivalent to cancel_work_sync() so just flush all
  38  * pending work. */
  39 #define cancel_work_sync(_work) flush_scheduled_work()
  40 #endif
  41
  42 #endif