lustre/portals/include/linux/portals_compat25.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  */
   4 #ifndef _PORTALS_COMPAT_H
   5 #define _PORTALS_COMPAT_H
   6
   7 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
   8 #if SPINLOCK_DEBUG
   9 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) || defined(CONFIG_RH_2_4_20)
  10 #  define SIGNAL_MASK_ASSERT() \
  11    LASSERT(current->sighand->siglock.magic == SPINLOCK_MAGIC)
  12 # else
  13 #  define SIGNAL_MASK_ASSERT() \
  14    LASSERT(current->sigmask_lock.magic == SPINLOCK_MAGIC)
  15 # endif
  16 #else
  17 # define SIGNAL_MASK_ASSERT()
  18 #endif
  19 // XXX BUG 1511 -- remove this stanza and all callers when bug 1511 is resolved
  20
  21 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
  22
  23 # define SIGNAL_MASK_LOCK(task, flags)                                  \
  24   spin_lock_irqsave(&task->sighand->siglock, flags)
  25 # define SIGNAL_MASK_UNLOCK(task, flags)                                \
  26   spin_unlock_irqrestore(&task->sighand->siglock, flags)
  27 # define USERMODEHELPER(path, argv, envp)                               \
  28   call_usermodehelper(path, argv, envp, 1)
  29 # define RECALC_SIGPENDING         recalc_sigpending()
  30 # define CURRENT_SECONDS           get_seconds()
  31
  32 #elif defined(CONFIG_RH_2_4_20) /* RH 2.4.x */
  33
  34 # define SIGNAL_MASK_LOCK(task, flags)                                  \
  35   spin_lock_irqsave(&task->sighand->siglock, flags)
  36 # define SIGNAL_MASK_UNLOCK(task, flags)                                \
  37   spin_unlock_irqrestore(&task->sighand->siglock, flags)
  38 # define USERMODEHELPER(path, argv, envp)                               \
  39   call_usermodehelper(path, argv, envp)
  40 # define RECALC_SIGPENDING         recalc_sigpending()
  41 # define CURRENT_SECONDS           CURRENT_TIME
  42
  43 #else /* 2.4.x */
  44
  45 # define SIGNAL_MASK_LOCK(task, flags)                                  \
  46   spin_lock_irqsave(&task->sigmask_lock, flags)
  47 # define SIGNAL_MASK_UNLOCK(task, flags)                                \
  48   spin_unlock_irqrestore(&task->sigmask_lock, flags)
  49 # define USERMODEHELPER(path, argv, envp)                               \
  50   call_usermodehelper(path, argv, envp)
  51 # define RECALC_SIGPENDING         recalc_sigpending(current)
  52 # define CURRENT_SECONDS           CURRENT_TIME
  53
  54 #endif
  55
  56 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
  57 # define THREAD_NAME(comm, fmt, a...)                                   \
  58         sprintf(comm, fmt "|%d", ## a, current->thread.extern_pid)
  59 #elif defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
  60 # define THREAD_NAME(comm, fmt, a...)                                   \
  61         sprintf(comm, fmt "|%d", ## a, current->thread.mode.tt.extern_pid)
  62 #else
  63 # define THREAD_NAME(comm, fmt, a...)                                   \
  64         sprintf(comm, fmt, ## a)
  65 #endif
  66
  67 #endif /* _PORTALS_COMPAT_H */