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Cannot Lock Mutex

more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation FUTURE DIRECTIONS None. Member Functions lock void lock(); Locks the mutex. SMS verification, is it secure? have a peek here

Blocks up to the given number of milliseconds if the mutex is held by another thread. But if I had to give you advice on locking: keep it simple. I need to use a mutex, though it seems that my implementation is wrong: #include #include void main() { HANDLE lock=CreateMutex ( NULL, // default security attributes FALSE, // There are many cases when you simply can't sleep (see Chapter10, What Functions Are Safe To Call From Interrupts?), and so have to use a spinlock instead. http://stackoverflow.com/questions/20830525/cannot-lock-mutex-in-c

Anyone have any info on this? < > Showing 1-15 of 19 comments Arrakis View Profile View Posts 29 Sep, 2014 @ 9:17am This random error may be caused by numerous tryLock bool tryLock(long milliseconds); Locks the mutex. Select 2D data in a certain range On 1941 Dec 7, could Japan have destroyed the Panama Canal instead of Pearl Harbor in a surprise attack? I changed one method signature and broke 25,000 other classes.

An engineer at Digital Equipment Corporation, he was the lead architect and developer of Digital's own threading architecture and designed and implemented much of the Pthreads interfaces on Digital UNIX 4.0. Another potential problem is that your code is ultimately exception-unsafe. Strangely enough, this last one is the exact reverse of my advice when you have slept with someone crazier than yourself. Forum rules Post a reply 13 posts • Page 1 of 2 • 1, 2 DirtNasty Posts: 2Joined: 18 Sep 2014, 03:04 Reply with quote Crash [Mutex] ?

the thread the has locked it is allowed to lock it again, as long as it released the lock the same number of times. –Michael Dec 29 '13 at 22:02 add Two Main Types of Kernel Locks: Spinlocks and Mutexes There are two main types of kernel locks. the mutex can be acquired repeatedly by the same thread. http://stackoverflow.com/questions/24601501/cannot-lock-a-c-11-stdmutex-on-a-dll If you need the full source code it is available at: http://gpb.googlecode.com/files/RouteConnector_174alpha.zip Extra info: PLUGIN_EXPORT bool PLUGIN_CALL Load gets only executed at startup.

General discussion about Life is Feudal MMO and Life is Feudal: Your Own, The main section and backbone of the forums. APPLICATION USAGE The pthread_mutex_timedlock() function is part of the Threads and Timeouts options and need not be provided on all implementations. ButenhofAddison-Wesley Professional, 1997 - 381 σελίδες 6 Κριτικέςhttps://books.google.gr/books/about/Programming_with_POSIX_Threads.html?hl=el&id=_xvnuFzo7q0C With this practical book, you will attain a solid understanding of threads and will discover how to put this powerful mode of programming Access to DllMain is serialized by the implementation.

The fundamental type is the spinlock (include/asm/spinlock.h), which is a very simple single-holder lock: if you can't get the spinlock, you keep trying (spinning) until you can. https://www.kernel.org/doc/htmldocs/kernel-locking/locks.html Forum Rules | "Life is Feudal: Your Own" on Steam Patch Notes | Game Wikipedia | Basic TutorialsYouTube Channel | Facebook Page | Twitter Top IzznO Posts: 29Joined: 23 Sep What now? Another thread would not be able to acquire it.

We continue to work on this, but that error is triggered by many things and not just one bug. #11 Orin View Profile View Posts 2 Dec, 2014 @ 7:34am Originally navigate here Execute bash script from vim How to gain confidence with new "big" bike? EXAMPLES None. UNIX is a registered Trademark of The Open Group.

Can I hide disabled users in the User Manager? IEEEStd1003.1-2001/Cor2-2004, item XSH/TC2/D6/99 is applied, marking the last paragraph in the DESCRIPTION as part of the Thread Priority Inheritance option. Returns true if the mutex was successfully locked. Check This Out Method to return date ranges of 1 year Is every NP-hard problem computable?

A different way to handle Microsoft Exchange emails How can I remove an Online Account? No idea what it means. "Mutex can't be locked too long, it's possible a deadlock." Any help would be appreciated Top Myrothas Posts: 13Joined: 11 Nov 2013, 13:40 Reply with I'd suggest using some sort of RAII here.

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Returns true if the mutex was successfully locked. Numerous annotated examples are used to illustrate real-world concepts. It is possible to define metric spaces from pure topological concepts without the need to define a distance function? Threaded programming is particularly well suited to network programming where it helps alleviate the bottleneck of slow network I/O.

Join them; it only takes a minute: Sign up Cannot lock mutex in C up vote 1 down vote favorite I want to create a lock for writing to a log c mutex waitforsingleobject share|improve this question edited Dec 29 '13 at 21:59 asked Dec 29 '13 at 21:57 Isaac 145 AFAIK mutexes on Windows are recursive, i.e. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. this contact form lock void lock(long milliseconds); Locks the mutex.

This means the CPU can do something else while you are waiting. by IzznO » 23 Sep 2014, 16:00 Jupp, this problem.Cant even play the game at all, great fun. Trying to acquire additional locks while holding some unknown combination of locks is very, very likely to deadlock. The timespec data type is defined in the header.

Not the answer you're looking for? Top Dreambound Posts: 1Joined: 02 Oct 2014, 13:27 Reply with quote Re: Crash [Mutex] ? Neither type of lock is recursive: see the section called "Deadlock: Simple and Advanced". Under no circumstance shall the function fail with a timeout if the mutex can be locked immediately.

Browse other questions tagged c mutex waitforsingleobject or ask your own question. We're working on a fix."I hope it will be fixed soon! #2 [Pecores] Cronos1082 [FR] View Profile View Posts 25 Nov, 2014 @ 9:54am Hi, still nothing new about this? Why is this C++ code faster than my hand-written assembly for testing the Collatz conjecture? c++ c++11 visual-studio-2013 mutex share|improve this question asked Jul 7 '14 at 0:08 NeonMan 169413 marked as duplicate by Praetorianc++ Users with the c++ badge can single-handedly close c++ questions as

We continue to work on this, but that error is triggered by many things and not just one bug. Anyway the bounty can be given in 22 h, so stay tuned.. The primary advantage of threaded programming is that it enables your applications to accomplish more than one task at the same time by using the number-crunching power of multiprocessor parallelism and