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FileUploader: fix race with partial location deletion

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GitOrigin-RevId: fa3cd8ca2cd5b376d557242a6b5f296dc09c90f4
This commit is contained in:
Arseny Smirnov 2019-08-20 10:42:21 +03:00
parent 24f31ad888
commit e1046570a3
1 changed files with 1 additions and 3 deletions
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4
td/telegram/files/FileUploader.cpp
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@ -145,7 +145,7 @@ Result<FileLoader::PrefixInfo> FileUploader::on_update_local_location(const Loca
is_temp = true;
}
if (!path.empty() && path != fd_path_) {
if (!path.empty() && (path != fd_path_ || fd_.empty())) {
auto res_fd = FileFd::open(path, FileFd::Read);
// Race: partial location could be already deleted. Just ignore such locations
@ -164,8 +164,6 @@ Result<FileLoader::PrefixInfo> FileUploader::on_update_local_location(const Loca
fd_ = res_fd.move_as_ok();
fd_path_ = path;
is_temp_ = is_temp;
} else if (!fd_path_.empty()) {
TRY_STATUS(acquire_fd());
}
if (local_is_ready) {
CHECK(!fd_.empty());