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mdbx: drop goto/label in prev commit.

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More for https://github.com/erthink/libmdbx/issues/164

Change-Id: Ic708c3ba51dd22d08e96d0bef4632a0beb19999b
This commit is contained in:
Leonid Yuriev 2021-04-17 01:59:21 +03:00
parent 3e0fad1cf6
commit a0a4bbaa7c
1 changed files with 12 additions and 15 deletions
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27
src/core.c
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@ -5458,34 +5458,32 @@ static __cold int mdbx_set_readahead(MDBX_env *env, const pgno_t edge,
if (length == 0)
return MDBX_SUCCESS;
int err;
mdbx_notice("readahead %s %u..%u", enable ? "ON" : "OFF",
bytes2pgno(env, offset), bytes2pgno(env, offset + length));
#if defined(F_RDAHEAD)
if (toggle && unlikely(fcntl(env->me_lazy_fd, F_RDAHEAD, enable) == -1)) {
err = errno;
goto bailout;
}
if (toggle && unlikely(fcntl(env->me_lazy_fd, F_RDAHEAD, enable) == -1))
return errno;
#endif /* F_RDAHEAD */
int err;
if (enable) {
#if defined(MADV_NORMAL)
err = madvise(env->me_map + offset, length, MADV_NORMAL)
? ignore_enosys(errno)
: MDBX_SUCCESS;
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(POSIX_MADV_NORMAL)
err = ignore_enosys(
posix_madvise(env->me_map + offset, length, POSIX_MADV_NORMAL));
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(POSIX_FADV_NORMAL) && defined(POSIX_FADV_WILLNEED)
err = ignore_enosys(
posix_fadvise(env->me_lazy_fd, offset, length, POSIX_FADV_NORMAL));
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(_WIN32) || defined(_WIN64)
/* no madvise on Windows */
#else
@ -5508,12 +5506,12 @@ static __cold int mdbx_set_readahead(MDBX_env *env, const pgno_t edge,
? ignore_enosys(errno)
: MDBX_SUCCESS;
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(POSIX_MADV_WILLNEED)
err = ignore_enosys(
posix_madvise(env->me_map + offset, length, POSIX_MADV_WILLNEED));
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(_WIN32) || defined(_WIN64)
if (mdbx_PrefetchVirtualMemory) {
WIN32_MEMORY_RANGE_ENTRY hint;
@ -5525,7 +5523,7 @@ static __cold int mdbx_set_readahead(MDBX_env *env, const pgno_t edge,
err = ignore_enosys(
posix_fadvise(env->me_lazy_fd, offset, length, POSIX_FADV_WILLNEED));
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#else
#warning "FIXME"
#endif
@ -5536,17 +5534,17 @@ static __cold int mdbx_set_readahead(MDBX_env *env, const pgno_t edge,
? ignore_enosys(errno)
: MDBX_SUCCESS;
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(POSIX_MADV_RANDOM)
err = ignore_enosys(
posix_madvise(env->me_map + offset, length, POSIX_MADV_RANDOM));
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(POSIX_FADV_RANDOM)
err = ignore_enosys(
posix_fadvise(env->me_lazy_fd, offset, length, POSIX_FADV_RANDOM));
if (unlikely(MDBX_IS_ERROR(err)))
goto bailout;
return err;
#elif defined(_WIN32) || defined(_WIN64)
/* no madvise on Windows */
#else
@ -5556,7 +5554,6 @@ static __cold int mdbx_set_readahead(MDBX_env *env, const pgno_t edge,
*env->me_readahead_anchor = (enable & 1) + (edge << 1);
err = MDBX_SUCCESS;
bailout:
return err;
}
#endif /* MDBX_ENABLE_MADVISE */