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System error messages for lock-files in windows.

This commit is contained in:
Willi Goesgens 2015-03-19 14:15:00 +01:00
parent 4c359f98f0
commit ccf795a303
1 changed files with 7 additions and 0 deletions
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7
lib/Basics/files.cpp
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@ -1140,6 +1140,7 @@ char* TRI_SlurpFile (TRI_memory_zone_t* zone,
#ifdef TRI_HAVE_WIN32_FILE_LOCKING
int TRI_CreateLockFile (char const* filename) {
TRI_ERRORBUF;
BOOL r;
DWORD len;
HANDLE fd;
@ -1158,6 +1159,8 @@ int TRI_CreateLockFile (char const* filename) {
fd = CreateFile(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (fd == INVALID_HANDLE_VALUE) {
TRI_SYSTEM_ERROR();
LOG_ERROR("cannot create Lockfile '%s': %s", filename, TRI_GET_ERRORBUF);
return TRI_set_errno(TRI_ERROR_SYS_ERROR);
}
@ -1167,6 +1170,8 @@ int TRI_CreateLockFile (char const* filename) {
r = WriteFile(fd, buf, (unsigned int) strlen(buf), &len, NULL);
if (! r || len != strlen(buf)) {
TRI_SYSTEM_ERROR();
LOG_ERROR("cannot write Lockfile '%s': %s", filename, TRI_GET_ERRORBUF);
res = TRI_set_errno(TRI_ERROR_SYS_ERROR);
TRI_FreeString(TRI_CORE_MEM_ZONE, buf);
@ -1186,6 +1191,8 @@ int TRI_CreateLockFile (char const* filename) {
r = LockFileEx(fd, LOCKFILE_EXCLUSIVE_LOCK | LOCKFILE_FAIL_IMMEDIATELY, 0, 0, 128, &ol);
if (! r) {
TRI_SYSTEM_ERROR();
LOG_ERROR("cannot set Lockfile status '%s': %s", filename, TRI_GET_ERRORBUF);
res = TRI_set_errno(TRI_ERROR_SYS_ERROR);
CloseHandle(fd);