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MDEV-17441 - InnoDB transition to C++11 atomics

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os_aio_validate_count transition to Atomic_counter.
This commit is contained in:
Sergey Vojtovich 2018-12-26 23:59:17 +04:00
parent dbd40edfe6
commit 4ef481f5bc
1 changed files with 2 additions and 9 deletions
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11
storage/innobase/os/os0file.cc
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@ -1084,15 +1084,8 @@ os_aio_validate_skip()
/** Try os_aio_validate() every this many times */
# define OS_AIO_VALIDATE_SKIP 13
static int os_aio_validate_count;
if (my_atomic_add32_explicit(&os_aio_validate_count, -1,
MY_MEMORY_ORDER_RELAXED)
% OS_AIO_VALIDATE_SKIP) {
return true;
}
return(os_aio_validate());
static Atomic_counter<uint32_t> os_aio_validate_count;
return (os_aio_validate_count++ % OS_AIO_VALIDATE_SKIP) || os_aio_validate();
}
#endif /* UNIV_DEBUG */