LXR qemu/stubs/iothread-lock.c

   1#include "qemu/osdep.h"
   2#include "qemu/main-loop.h"
   3
   4static bool bql_is_locked = false;
   5static uint32_t bql_unlock_blocked;
   6
   7bool bql_locked(void)
   8{
   9    return bql_is_locked;
  10}
  11
  12void rust_bql_mock_lock(void)
  13{
  14    bql_is_locked = true;
  15}
  16
  17void bql_lock_impl(const char *file, int line)
  18{
  19}
  20
  21void bql_unlock(void)
  22{
  23    assert(!bql_unlock_blocked);
  24}
  25
  26void bql_block_unlock(bool increase)
  27{
  28    uint32_t new_value;
  29
  30    assert(bql_locked());
  31
  32    /* check for overflow! */
  33    new_value = bql_unlock_blocked + increase - !increase;
  34    assert((new_value > bql_unlock_blocked) == increase);
  35    bql_unlock_blocked = new_value;
  36}
  37