X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2FTempFile.h;h=16efede3ab57880e54bbefd7ac71a2037510db36;hb=41a8994da902031a743373c1c57d028b7c900797;hp=6410dda7fcee4e1e99195a51474575a444fab58f;hpb=bf782ee02ac35d575247bf63eabbd38bd31c53af;p=lyx.git diff --git a/src/support/TempFile.h b/src/support/TempFile.h index 6410dda7fc..16efede3ab 100644 --- a/src/support/TempFile.h +++ b/src/support/TempFile.h @@ -24,14 +24,25 @@ class FileName; * The file is created in the constructor, and deleted in the destructor. * You may do anything with the file (including deletion), but the instance * of this class must stay alive as long as the file is needed. + * There is only one exception to this rule: + * If the file is supposed to be used by a different process then you need + * to be aware of OS specific file locking semantics: On windows, the file + * is opened with exclusive rights for the process which opened it. This + * is not the case on other OSes. Therefore, if the file is supposed to be + * used by a different process you need to sometheing similar to TempName + * in InsetExternal.cpp. */ class TempFile { + /// noncopyable + TempFile(TempFile const &); + /// nonassignable + TempFile & operator=(TempFile const &); public: /** *Create a temporary file with the given mask. - * \p mask must be in filesystem encoding, if it contains a - * relative path, the template file will be created in the global - * temporary directory as given by 'package().temp_dir()'. + * \p mask must be in filesystem encoding, the template file + * will be created in the global temporary directory as given + * by 'package().temp_dir()'. * If the mask contains "XXXXXX" this portion will be replaced by * a uniquely generated string. If it does not contain this portion, * it will be automatically appended using a dot. Therefore, please