Delphi thread safe tstringlist
WebNov 20, 2000 · When the program is running, if unfortunately two threads will read and remove an item at the same time from the list, the list will show unexpected bahavior; it is not thread-safe. eran_more's suggestion to look at the source code of the TStringList is a good idea: procedure TStringList.Delete (Index: Integer); begin. WebNov 12, 2011 · An easy way is to have a thread-safe wrapper around the object, similar to TThreadList. The wrapper needs two methods: Lock (to enter the critical section and return the inner object) and Unlock (to leave the critical section). Share Improve this answer Follow answered Nov 12, 2011 at 1:29 Ondrej Kelle 36.9k 2 67 128
Delphi thread safe tstringlist
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WebOct 8, 2010 · The alternative is use 2 TStringList: * The first (sorted) only containts the "Name" and a pointer to the second list that contain the value; You can implement this pointer to the second list using the "pointer" of Object property. * The second (not sorted) list containt the values. When you search, you do it at first list; In this case you can ... WebJun 20, 2024 · 16. First, no TStringList is not thread-safe. Second, attempting to make it so would be a terrible idea for a low-level container that in the vast majority of cases would …
WebFeb 16, 2024 · a sorted, case sensitive THashedStringList (available since Delphi 6) a TDictionary (available since a Delphi 2009) Just in case you did not know about THashedStringList: It is a TStringList descendant declared in System.IniFiles. It’s used to speed up access to TMemIniFile. (EDIT: As Uwe Raabe pointet out, that’s no … WebJan 31, 2005 · Is TStringList Thread safe? The Delphi manual states that TList is not thread safe and TThreadList should be used instead. What about TStringList? I want to …
WebNov 3, 2016 · Closest question (comparing to this one) I have found is Is a Delphi global procedure threadsafe and Are Delphi simple types thread safe? but raising of an exception is never ... TDjelatBL = class public class procedure Test; end; var iPublic: Integer; StringList: TStringList; implementation class procedure TDjelatBL.Test; var i: Integer; … http://www.delphigroups.info/2/9d/506698.html
WebApr 26, 2009 · TStringList may also work, again depending on what the other process is doing. But if the file is being written (like a .log file) the fmShareDenyWrite won't work. Share
job in panama city beach flWebTThreadStringList ist ein einfacher Wrapper für TStringList, der es ermöglicht von verschiedenen Threads auf eine Stringliste zuzugreifen ohne das Konflikte entstehen. Die wichtigsten Funktionen und Eigenschaften sind enthalten. -------------------------------------------------------------} unit UThreadStringList; interface uses Classes, Windows; job in panama city beachWebSep 18, 2024 · I'm having trouble with the vague terminology of the documentation of the TStringList.Assign method. The word "set" in. If Source is of type TStringList, the list is set to the list of the source TStringList object, and if associated objects are supported, any associated objects are copied from Source as well. can be interpreted in multiple ways. insubanWebJan 31, 2005 · Is TStringList Thread safe? The Delphi manual states that TList is not thread safe and TThreadList should be used instead. What about TStringList? I want to use a TStringList as a local variable inside a thread's method. The variable is allocated and deallocated inside the method, off course. insuation for an underground freezerWebMay 14, 2013 · Use one Logging thread that dequeues the TStringList instances, writes them to the file and then frees them. This isolates the log writes from disk/network delays, removes any reliance on dodgy file-locking and will actually work reliably. Share Improve this answer Follow answered May 14, 2013 at 13:13 Martin James 24.3k 3 35 58 insuating swamo coolerWebMar 28, 2013 · The proper way would be to declare a var Check: TCheck; inside MainT.Execute, and then store the value returned: Check := TCheck.Create (Load [i]); { See note below } Check.Start; Inc (tCount); NOTE The default property of TStringList is Strings, so you don't need to use it. You can just access Strings directly as I have above. job in park city utahWebJan 20, 2013 · You really should look at TThreadList. The methods .Add, .Remove, .Clear automatically lock the list for you. If needed, you can also lock/unlock as needed: x.LockList; try //do whatever finally x.Unlocklist; end; TMultiReadExclusiveWriteSynchronizer is a grand idea but I don't know if they ever ironed all the bugs out. job in panama city fl