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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:15:16 +0200
commitbd6336c629841c6db3a6ca53a936d629d34db53b (patch)
tree3721ef997864108df175ce677a8a7d4342a6f1d2 /library/lock_holder.h
parent4.0 (diff)
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4.1
Diffstat (limited to 'library/lock_holder.h')
-rw-r--r--library/lock_holder.h58
1 files changed, 0 insertions, 58 deletions
diff --git a/library/lock_holder.h b/library/lock_holder.h
deleted file mode 100644
index b72b12c1..00000000
--- a/library/lock_holder.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifndef LOCK_HOLDER_H_INCLUDED
-#define LOCK_HOLDER_H_INCLUDED
-
-#include <map>
-#include "../shared/zstring.h"
-#include "dir_lock.h"
-#include "status_handler.h"
-#include "dir_exist_async.h"
-
-namespace zen
-{
-const Zstring LOCK_FILE_ENDING = Zstr(".ffs_lock"); //intermediate locks created by DirLock use this extension, too!
-
-//convenience class for creating and holding locks for a number of directories
-class LockHolder
-{
-public:
- void addDir(const Zstring& dirnameFmt, ProcessCallback& procCallback) //resolved dirname ending with path separator
- {
- if (dirnameFmt.empty())
- return;
-
- if (!dirExistsUpdating(dirnameFmt, procCallback))
- return;
-
- if (lockHolder.find(dirnameFmt) != lockHolder.end()) return;
- assert(dirnameFmt.EndsWith(FILE_NAME_SEPARATOR)); //this is really the contract, formatting does other things as well, e.g. macro substitution
-
- class WaitOnLockHandler : public DirLockCallback
- {
- public:
- WaitOnLockHandler(ProcessCallback& pc) : pc_(pc) {}
- virtual void requestUiRefresh() { pc_.requestUiRefresh(); } //allowed to throw exceptions
- virtual void reportInfo(const std::wstring& text) { pc_.reportStatus(text); }
- private:
- ProcessCallback& pc_;
- } callback(procCallback);
-
- try
- {
- lockHolder.insert(std::make_pair(dirnameFmt, DirLock(dirnameFmt + Zstr("sync") + LOCK_FILE_ENDING, &callback)));
- }
- catch (const FileError& e)
- {
- bool dummy = false; //this warning shall not be shown but logged only
- procCallback.reportWarning(e.msg(), dummy); //may throw!
- }
- }
-
-private:
- typedef std::map<Zstring, DirLock, LessFilename> DirnameLockMap;
- DirnameLockMap lockHolder;
-};
-
-}
-
-
-#endif // LOCK_HOLDER_H_INCLUDED
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