abort | 易学教程

How to abort a running program in MATLAB?

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问题 Sometimes after calling a function (which takes some 30 odd minutes to finish), you realize that you did something wrong and want to stop the program . How do you do that in MATLAB? What I do is shutdown MATLAB completely and restart . I think there would be a way to abort the execution of the function instead. Anybody know what that is? 回答1: Hitting Ctrl + C usually does the trick, although sometimes it has been known to run into snags. 来源： https://stackoverflow.com/questions/1500314/how-to

C++: How to implement a timeout for an arbitrary function call?

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问题 I need to call a library function that sometimes won't terminate within a given time, unfortunately. Is there a way to call the function but abort it if it doesn't terminate within n seconds? I cannot modify the function, so I cannot put the abort condition into it directly. I have to add a timeout to the function externally . Is it maybe a possible solution to start it as a (boost) thread, which I can then terminate after a certain time? Would something like that work? I actually believe the

Abort trap 6 error in C

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问题 I have this code: void drawInitialNim(int num1, int num2, int num3) { int board[2][50]; //make an array with 3 columns int i; // i, j, k are loop counters int j; int k; for(i=0;i<num1+1;i++) //fill the array with rocks, or 'O' board[0][i] = 'O'; //for example, if num1 is 5, fill the first row with 5 rocks for (i=0; i<num2+1; i++) board[1][i] = 'O'; for (i=0; i<num3+1; i++) board[2][i] = 'O'; for (j=0; j<2;j++) { //print the array for (k=0; k<50;k++) { printf("%d",board[j][k]); } } return; }

What is a safe way to stop a running thread?

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问题 I have a thread which contains execution of an IronPython script. For some reason I may need to stop this thread at any time, including script execution. How to achieve this? The first idea is Thread.Abort() , but it's known to be evil... 回答1: Well from you question and subsequent comments I can suggest you two options, with some additional "warnings": If your thread loops executing something on each iteration, you can set a volatile boolean flag such that it exits after finishing the current

Killing a .NET thread

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I have created a thread running a certain method. But sometimes I would like to kill the thread even if it is still working. How can I do this? I tried Thread.Abort() but it shows up a messagebox saying "Thread aborted". What should I do? Do not call Thread.Abort() ! Thread.Abort is dangerous. Instead you should cooperate with the thread so that it can be peacefully shut down. The thread needs to be designed so that it can be told to kill itself, for instance by having a boolean keepGoing flag that you set to false when you want the thread to stop. The thread would then have something like

What is the difference between exit() and abort()?

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问题 In C and C++, what is the difference between exit() and abort() ? I am trying to end my program after an error (not an exception). 回答1: abort() exits your program without calling functions registered using atexit() first, and without calling objects' destructors first. exit() does both before exiting your program. It does not call destructors for automatic objects though. So A a; void test() { static A b; A c; exit(0); } Will destruct a and b properly, but will not call destructors of c .

How to programmatically cause a core dump in C/C++

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问题 I would like to force a core dump at a specific location in my C++ application. I know I can do it by doing something like: int * crash = NULL; *crash = 1; But I would like to know if there is a cleaner way? I am using Linux by the way. 回答1: Raising of signal number 6 ( SIGABRT in Linux) is one way to do it (though keep in mind that SIGABRT is not required to be 6 in all POSIX implementations so you may want to use the SIGABRT value itself if this is anything other than quick'n'dirty debug

How do I abort/cancel TPL Tasks?

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问题 In a thread, I create some System.Threading.Task and start each task. When I do a .Abort() to kill the thread, the tasks are not aborted. How can I transmit the .Abort() to my tasks ? 回答1: You can't. Tasks use background threads from the thread pool. Also canceling threads using the Abort method is not recommended. You may take a look at the following blog post which explains a proper way of canceling tasks using cancellation tokens. Here's an example: class Program { static void Main() { var