Home > Error Code > Pthread_join Error Code 22

Pthread_join Error Code 22

Contents

share|improve this answer answered Feb 23 '13 at 5:13 Some programmer dude 212k16146255 Thank you. I'm still getting error 22 returning from pthread_create(), but the SIGSEGV error on pthread_join is no longer occurring. Joining with a thread that has previously been joined results in undefined behavior. The results of multiple simultaneous calls to pthread_join() specifying the same target thread are undefined. http://doinc.org/error-code/pthread-join-error-code-35.html

This would be the least portable. Disable compiler optimization for better GDB experience. –Nikolai N Fetissov Mar 1 '12 at 21:08 1 It's bad in general, but of course, might be ok in some cases. vBulletin ©2000 - 2016, Jelsoft Enterprises Ltd. When a joinable thread terminates, its memory resources (thread descriptor and stack) are not deallocated until another thread performs pthread_join on it. http://stackoverflow.com/questions/15037234/difficulty-creating-pthreads-error-22

Pthread_join Error Codes

How can I Improve gameplay for new players, as a new player? Do you want to help us debug the posting issues ? < is the place to report it, thanks ! For example joinErr = pthread_join(aThread[i], &returnVal); printf("join returned %d\n", joinErr); always is 0 –Celeritas Oct 10 '13 at 4:27 @Celeritas always zero means it succeeded; not failed. –WhozCraig Oct

RETURN VALUE If successful, the pthread_join() function shall return zero; otherwise, an error number shall be returned to indicate the error. Reply With Quote July 27th, 2008,06:37 AM #5 exterminator View Profile View Forum Posts Visit Homepage Elite Member Power Poster Join Date Feb 2005 Location "The Capital" Posts 5,306 Re: segmentation At most one thread can wait for the termination of a given thread. Pthread_join Return Value 3 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

ATTRIBUTES top For an explanation of the terms used in this section, see attributes(7). β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β” β”‚Interface β”‚ Attribute β”‚ Value β”‚ β”œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€ β”‚pthread_join() β”‚ Thread safety β”‚ Pthread Error Code 22 What is the difference between TeX and Texinfo? Was Sigmund Freud "deathly afraid" of the number 62? Then you have two loops where you loop from one to argc - 2, and use indexes from one to "size of array".

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 Pthread_create Error Code 22 You start a thread, then wait for it to end, then start a thread, then wait for it to end, etc. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. If a thread is cancelled while suspended in either function, the thread execution resumes immediately and the cancellation is executed without waiting for the th thread to terminate.

  1. 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
  2. Differentiation of sine in Fourier domain Next number in sequence, understand the 1st mistake to avoid the 2nd What is summer in Spanish? "Estío" vs "verano" Baking at a lower temperature
  3. Thank you!

Pthread Error Code 22

Core was generated by `./a.out'. This leads to the question why this scenario isn't handled directly in cygwait. Pthread_join Error Codes Although I think, that would be less probable than the guess that your joining is incorrectly being called. Pthread Error Codes The difference is obvious to the application, since either a cancellation handler is run or pthread_join() returns.

Cancel self. */ + cw_sig = 0x0004, /* Handle signals. */ + cw_sig_eintr = 0x0008, /* Caller handles signals. */ + cw_sig_cont = 0x0010, /* Caller handles SIGCONT. */ + cw_sig_restart this content Finally, you don't want to do it this way anyway, you want to start them all, then join them all. pthread_join() error ? int main (int argc, char* argv[]) { int i; /* Thread Variables */ pthread_attr_t attr; pthread_t *th[argc-2]; //one thread for each input file /* allocate memory for the threads */ for Pthread_create Error 22

or better how would I fix this? What you have here is literally no better than single threaded. –WhozCraig Oct 10 '13 at 4:18 add a comment| 4 Answers 4 active oldest votes up vote 2 down vote The thread specified by thread must be joinable. http://doinc.org/error-code/pthread-join-error-code-3.html Cooking inside a hotel room Hotel cancellation from booking.com Steepest descent/gradient descent as dynamical system Can I only touch other creatures with spells such as Invisibility?

Thanks a lot. Pthread_create.c No Such File Or Directory EXAMPLE top See pthread_create(3). Issue 6 The pthread_join() function is marked as part of the Threads option.

Thus, only the default cancelability state need be considered.

You don't need to explicitly pass errno. (3) There is a glibc extension to printf that provide a %m conversion specifier that acts like strerror but with a little less muss This is literally no better (and in fact, actually worse) than simply calling a function. 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 < Gdb Pthread_join C No Such File Or Directory What are the values of MaxThreads and CurrentThread when the crash happens?

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. EDEADLK The th argument refers to the calling thread. 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/. check over here My code works correctly when I don't run a pthread_join and have it commented out, but when I use it, I get a backtrace.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode July 26th, 2011 #1 yuri_golovko View Profile View Forum Posts Private NOTES top After a successful call to pthread_join(), the caller is guaranteed that the target thread has terminated. Otherwise, an error number will be returned to indicate the error.

Next number in sequence, understand the 1st mistake to avoid the 2nd Does anyone know what this piece of glassware is? Set literal gives different result from set function call What is the difference between TeX and Texinfo? If a thread > waiting in pthread_join receives a signal that is not masked, if will > execute the signal handler, and then return to waiting in > pthread_join. > > See Also pthread_exit(3) , pthread_detach(3) , pthread_create(3) , pthread_attr_setdetachstate(3) , pthread_cleanup_push(3) , pthread_key_create(3) .

I changed &attr to NULL and now things seem to run just fine. Charlie Burns has posted the reasons pthread_join might fail. Moments | Nature of work in C++? Join them; it only takes a minute: Sign up Difficulty Creating Pthreads (Error 22) up vote 0 down vote favorite Learning about pthreads, but I'm having trouble getting them created.

Moments | Nature of work in C++? On error, a non-zero error code is returned. The switch > > statement handling the return value assumes that only WAIT_OBJECT_0 and > > WAIT_CANCELED are possible. Is it safe for a CR2032 coin cell to be in an oven?

Can you help me with my homework assignment?, Before you post!, Use code tags, How to post!, Codeguru technical FAQs, C++ FAQ Lite, Stroustrup: C++ Style and Technique FAQ, Guru of Browse other questions tagged c pthreads pthread-join or ask your own question. result: program ended successfully after a long waiting period where nothing happened and the last threads didn't give any output to the console o.O I don't understand your logic. ERRORS The pthread_join() function shall fail if: [ESRCH] No thread could be found corresponding to that specified by the given thread ID.

If you believe you need this functionality, you probably need to rethink your application design.