condition-variable

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When can a cond var be used to synchronize its own destruction/unmapping?

According to POSIX, It shall be safe to destroy an initialized condition variable upon which no threads are currently blocked.[详细]

2023-04-10 00:12 分类：问答
Deferred bcast wakeup for condition variables - is it valid?

I\'m implementing pthread condition variables (based on Linux futexes) and I have an idea for avoiding the \"stampede effect\" on pthread_cond_broadcast with process-shared condition variables. For no[详细]

2023-04-06 22:10 分类：问答
Is this usage of condition variables ALWAYS subject to a lost-signal race?

Suppose a condition variable is used in a situation where the signaling thread modifies the state affecting the truth value of the predicate and calls pthread_cond_signal without holding the mutex ass[详细]

2023-04-06 22:01 分类：问答
threading.Condition vs threading.Event

I have yet to find a clear explanation of the differences between Condition and Event classes in the threading module.Is there a clear use case where one would be more helpful than the other?All the e[详细]

2023-04-04 18:45 分类：问答
boost interprocess shared mutex and boost interprocess condition variable for shared mutex

Boost version - 1.47 I can not find boost::interprocess::interprocess_sharable_mutex, but it looks like it is forward declared. Is this really supported ?[详细]

2023-04-04 16:17 分类：问答
Breaking a condition variable deadlock

I have a situation where thread 1 is waiting on a condition variable A, whi开发者_JAVA百科ch should be woken up by thread 2. Now thread 2 is waiting on a condition variable B , which should be woken u[详细]

2023-03-25 10:11 分类：问答
CONDITION_VARIABLE in windows; wont compile

I am trying to make a windows-version of a program written for Linux, in C++. For the program to be thread-safe, I use pthread_cond_t and pthread_cond_wait in the Linux version. These functions use a[详细]

2023-03-23 15:13 分类：问答
What happens to a thread that got woken up by pthread_cond_signal() but lost competition for a mutex

Regarding this: How To Use Condition Variable Say we have number of consumer threads that execute such code (copied from the referenced page):[详细]

2023-03-16 17:23 分类：问答
How To Use Condition Variable

The Linux Programming Interface book has a piece of code (producer/consumer) to show how condition variable works:[详细]

2023-03-10 00:28 分类：问答
C++: thread sync

I am trying to synchronize two thread (working on the same C++ map) using the Boost library. I must tell that I am not an expert in C++ and I find the boost documentation quite hard to understand.[详细]

2023-03-04 02:53 分类：问答