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mdbx: use todo4recovery://erased_by_github/ for dead (or temporarily lost) resources.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2022-04-21 13:26:06 +03:00
parent 3f840ecd89
commit 6d15836171
7 changed files with 107 additions and 97 deletions
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17
src/osal.c
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@@ -678,7 +678,7 @@ MDBX_INTERNAL_FUNC int mdbx_openfile(const enum mdbx_openfile_purpose purpose,
flags |= O_CLOEXEC;
#endif /* O_CLOEXEC */
/* Safeguard for https://erased_by_github.none/libmdbx/issues/144 */
/* Safeguard for todo4recovery://erased_by_github/libmdbx/issues/144 */
#if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2
int stub_fd0 = -1, stub_fd1 = -1, stub_fd2 = -1;
static const char dev_null[] = "/dev/null";
@@ -710,7 +710,7 @@ MDBX_INTERNAL_FUNC int mdbx_openfile(const enum mdbx_openfile_purpose purpose,
}
#endif /* O_DIRECT */
/* Safeguard for https://erased_by_github.none/libmdbx/issues/144 */
/* Safeguard for todo4recovery://erased_by_github/libmdbx/issues/144 */
#if STDIN_FILENO == 0 && STDOUT_FILENO == 1 && STDERR_FILENO == 2
if (*fd == STDIN_FILENO) {
mdbx_warning("Got STD%s_FILENO/%d, avoid using it by dup(fd)", "IN",
@@ -1547,7 +1547,8 @@ MDBX_INTERNAL_FUNC int mdbx_munmap(mdbx_mmap_t *map) {
VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping.
* See https://erased_by_github.none/libmdbx/pull/93#issuecomment-613687203 */
* See todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address,
(map->filesize && map->filesize < map->limit)
? map->filesize
@@ -1623,7 +1624,8 @@ MDBX_INTERNAL_FUNC int mdbx_mresize(const int flags, mdbx_mmap_t *map,
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping.
* See https://erased_by_github.none/libmdbx/pull/93#issuecomment-613687203 */
* See todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION(map->address, map->limit);
status = NtUnmapViewOfSection(GetCurrentProcess(), map->address);
if (!NT_SUCCESS(status))
@@ -1888,7 +1890,8 @@ retry_mapview:;
VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping.
* See https://erased_by_github.none/libmdbx/pull/93#issuecomment-613687203
* See
* todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION(
map->address,
@@ -1908,7 +1911,9 @@ retry_mapview:;
VALGRIND_MAKE_MEM_NOACCESS(map->address, map->current);
/* Unpoisoning is required for ASAN to avoid false-positive diagnostic
* when this memory will re-used by malloc or another mmapping.
* See https://erased_by_github.none/libmdbx/pull/93#issuecomment-613687203 */
* See
* todo4recovery://erased_by_github/libmdbx/pull/93#issuecomment-613687203
*/
MDBX_ASAN_UNPOISON_MEMORY_REGION(
map->address, (map->current < map->limit) ? map->current : map->limit);