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ITS#8324 Map NTAPI result codes to WIN32 codes

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This commit is contained in:
Howard Chu 2016-02-14 23:53:05 +00:00
parent fcac8d0774
commit 5ef1908224
1 changed files with 17 additions and 3 deletions
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20
libraries/liblmdb/mdb.c
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@ -4159,6 +4159,19 @@ mdb_env_create(MDB_env **env)
return MDB_SUCCESS;
}
#ifdef _WIN32
/** @brief Map a result from an NTAPI call to WIN32. */
static DWORD
mdb_nt2win32(NTSTATUS st)
{
OVERLAPPED o = {0};
DWORD br;
o.Internal = st;
GetOverlappedResult(NULL, &o, &br, FALSE);
return GetLastError();
}
#endif
static int ESECT
mdb_env_map(MDB_env *env, void *addr)
{
@ -4188,7 +4201,7 @@ mdb_env_map(MDB_env *env, void *addr)
rc = NtCreateSection(&mh, access, NULL, NULL, secprot, SEC_RESERVE, env->me_fd);
if (rc)
return rc;
return mdb_nt2win32(rc);
map = addr;
#ifdef MDB_VL32
msize = NUM_METAS * env->me_psize;
@ -4200,7 +4213,7 @@ mdb_env_map(MDB_env *env, void *addr)
NtClose(mh);
#endif
if (rc)
return rc;
return mdb_nt2win32(rc);
env->me_map = map;
#else
#ifdef MDB_VL32
@ -5692,7 +5705,8 @@ mdb_rpage_get(MDB_txn *txn, pgno_t pg0, MDB_page **ret)
#define MAP(rc,env,addr,len,off) \
addr = NULL; \
rc = NtMapViewOfSection(env->me_fmh, GetCurrentProcess(), &addr, 0, \
len, &off, &len, ViewUnmap, (env->me_flags & MDB_RDONLY) ? 0 : MEM_RESERVE, PAGE_READONLY)
len, &off, &len, ViewUnmap, (env->me_flags & MDB_RDONLY) ? 0 : MEM_RESERVE, PAGE_READONLY); \
if (rc) rc = mdb_nt2win32(rc)
#else
off_t off;
size_t len;