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Pthread Join Error Codes


Counterintuitive polarizing filters To find the number of X completed, when can I subtract two numbers and when do I have to count? User contributions on this site are licensed under the Creative Commons Attribution Share Alike 4.0 International License. Included for alignment with the POSIX Threads Extension. If that thread has already terminated, then pthread_join() returns immediately. have a peek at this web-site

Steepest descent/gradient descent as dynamical system How to explain leaving a job for a huge ethical/moral issue to a potential employer - without REALLY explaining it A Riddle - Mountains and The behavior is undefined if the value specified by the thread argument to pthread_join() refers to the calling thread. The pthread_join() function may fail if: [EDEADLK]A deadlock was detected or the value of thread specifies the calling thread. If the thread calling pthread_join() is canceled, then the target thread shall not be detached. http://stackoverflow.com/questions/19286698/how-do-i-get-the-error-code-from-pthread-join

Pthread Error Code 22

If the thread calling pthread_join() is canceled, then the target thread will not be detached. return to top of page UNIX is a registered Trademark of The Open Group. For instance, after pthread_join() returns, any application-provided stack storage could be reclaimed.

  1. Calling pthread_join on a thread th on which another thread is already waiting for termination returns an error.
  2. Copyright © 1997 The Open Group [ Main Index | XSH | XCU | XBD | XCURSES | XNS ] The request cannot be fulfilled by the server man7.org > Linux
  3. int returnval; if((returnval = pthread_join(aThread[i], (void**)&returnVal)) != 0) { printf("error joining thread: %s\n", strerror(returnval)); //1st optiop perror("error joining thread:"); //2nd option printf("error joining thread: %m\n"); //3rd option } (1) strerror will

Does anyone know what this piece of glassware is? share|improve this answer answered Oct 10 '13 at 4:31 Duck 20.2k13766 You can assign the return value of your call to pthread_join to errno but I don't think the What loves to talk but has little to say How much are the taxes for the postdocs? Pthread_join C++ EXAMPLE top See pthread_create(3).

Prove sets equality. Pthread_timedjoin_np Example It is a pointer of specific type and as such you should only pass a likewise typed address. Recall a pthread thread-proc looks like this: void* thread_proc(void* args) // ^----- this is what is stashed in the pthread_join second parameter You're logic for failure testing is backwards The pthread_join in any pthread call, a return code that is not equal to zero) it will set errno to the value of the reason for failure.

Unless sizeof(char) == sizeof(void*) on your system (which I can all-but-guarantee you it is not) It doesn't look like you're using it anyway, and NULL is a viable option, so you Pthread_tryjoin_np Example A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. gcc -lpthread test_pth.c > ./a.out error:3 On ubuntu 10.04LTS. ./a.out Segmentation fault (core dumped) gdb ./a.out core >bt .... The main thread has to wait until all the threads are finished and then exit.

Pthread_timedjoin_np Example

Here is a small program to test libpthread. ===== test_pth.c ============== #include #include int main() { int err=pthread_join(345,NULL); printf("error:%d\n",err); return 0; } ========================== On FreeBSD 8.2 is running ok http://pubs.opengroup.org/onlinepubs/7908799/xsh/pthread_join.html This would be the least portable. Pthread Error Code 22 NOTES top After a successful call to pthread_join(), the caller is guaranteed that the target thread has terminated. Pthread_join Example The difference is obvious to the application, since either a cancellation handler is run or pthread_join() returns.

EXAMPLES An example of thread creation and deletion follows: typedef struct { int *ar; long n; } subarray; void * incer(void *arg) { long i; for (i = 0; i < Check This Out How do I replace and (&&) in a for loop? Finally, you don't want to do it this way anyway, you want to start them all, then join them all. The if statment shouldn't have the ! Edeadlk

If abstime is NULL the function will wait forever and it's behaviour will therefore be identical to pthread_join. Author Xavier Leroy Modified by Ross Johnson for use with Pthreads-w32. The return value of th is either the argument it gave to pthread_exit(3) , or PTHREAD_CANCELED if th was cancelled. http://vealcine.com/error-code/pthread-join-error-code-35.php This Second Edition includes entirely new chapters on programming for the Web and multicasting, as well as thoroughly revised and updated coverage of RPC.

And I can all-but-guarantee you sizeof(char), the writable size of the address you giving it, and sizeof(void*), the size it expects to have available, are not the same. Pthread_join Hangs DERIVATION Derived from the POSIX Threads Extension (1003.1c-1995) UNIX is a registered Trademark of The Open Group. Not the answer you're looking for?

I'm using pthread_join, but it returns error code 3.

If thread_return is not NULL, the return value of th is stored in the location pointed to by thread_return. Robbins, Steven RobbinsPrentice Hall Professional, 2003 - 893 σελίδες 10 Κριτικέςhttps://books.google.gr/books/about/UNIX_Systems_Programming.html?hl=el&id=tdsZHyH9bQECThis fully updated UNIX classic covers everything students need to know to master UNIX threads, TCP/IP, and RPC programming - with Table of Contents Name Synopsis Description Cancellation Return Value Errors Author See Also <<< Previous Home Next >>> The Open Group Base Specifications Issue 7 IEEE Std 1003.1-2008, 2016 Edition Copyright Pthread_join Segmentation Fault pthread_join() error ?

EINVAL Another thread is already waiting to join with this thread. As-written, it is undefined behavior. Having an Issue With Posting ? have a peek here Results 1 to 2 of 2 Thread: libpthread.

The interaction between pthread_join() and cancellation is well-defined for the following reasons: The pthread_join() function, like all other non-async-cancel-safe functions, can only be called with deferred cancelability type. DDoS ignorant newbie question: Why not block originating IP addresses? is backwards.