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mdbx: refine setup_debug(), add MDBX_DBG_LEGACY_MULTIOPEN.

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Change-Id: I5d144f6fa27b8f5885fa0a0fbd11fe1d44bcc41c
This commit is contained in:
Leonid Yuriev
2019-08-23 21:38:33 +03:00
parent 33a4f31f92
commit 93f82f47bd
5 changed files with 65 additions and 40 deletions
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4
src/osal.c
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@@ -674,7 +674,7 @@ int mdbx_filesync(mdbx_filehandle_t fd, enum mdbx_syncmode_bits mode_bits) {
return likely(fcntl(fd, F_FULLFSYNC) != -1) ? MDBX_SUCCESS : errno;
#endif /* MacOS */
#if defined(__linux__) || defined(__gnu_linux__)
if (mode_bits == MDBX_SYNC_SIZE && linux_kernel_version >= 0x03060000)
if (mode_bits == MDBX_SYNC_SIZE && mdbx_linux_kernel_version >= 0x03060000)
return MDBX_SUCCESS;
#endif /* Linux */
int rc;
@@ -789,7 +789,7 @@ int mdbx_msync(mdbx_mmap_t *map, size_t offset, size_t length, int async) {
return GetLastError();
#else
#ifdef __linux__
if (async && linux_kernel_version > 0x02061300)
if (async && mdbx_linux_kernel_version > 0x02061300)
/* Since Linux 2.6.19, MS_ASYNC is in fact a no-op,
since the kernel properly tracks dirty pages and flushes them to storage
as necessary. */