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Better error message.

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GitOrigin-RevId: 90f177a01b941a8fe029fb6363858260a0ca1f3b
This commit is contained in:
levlam 2018-05-10 21:39:01 +03:00
parent fa99ec2875
commit 36562f351c
1 changed files with 8 additions and 4 deletions
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8
tdutils/td/utils/port/FileFd.cpp
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@ -345,7 +345,7 @@ Status FileFd::lock(FileFd::LockFlags flags, int32 max_tries) {
lock.l_whence = SEEK_SET; lock.l_whence = SEEK_SET;
if (fcntl(get_native_fd(), F_SETLK, &lock) == -1) { if (fcntl(get_native_fd(), F_SETLK, &lock) == -1) {
if (errno == EAGAIN && --max_tries > 0) { if (errno == EAGAIN) {
#elif TD_PORT_WINDOWS #elif TD_PORT_WINDOWS
OVERLAPPED overlapped; OVERLAPPED overlapped;
std::memset(&overlapped, 0, sizeof(overlapped)); std::memset(&overlapped, 0, sizeof(overlapped));
@ -363,12 +363,16 @@ Status FileFd::lock(FileFd::LockFlags flags, int32 max_tries) {
} }
if (!result) { if (!result) {
if (GetLastError() == ERROR_LOCK_VIOLATION && --max_tries > 0) { if (GetLastError() == ERROR_LOCK_VIOLATION) {
#endif #endif
if (--max_tries > 0) {
usleep_for(100000); usleep_for(100000);
continue; continue;
} }
return OS_ERROR("Can't lock file because it is already in use; check for another program instance running");
}
return OS_ERROR("Can't lock file"); return OS_ERROR("Can't lock file");
} }
return Status::OK(); return Status::OK();