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Top Forums Programming Creating an array to hold posix thread ids: Only dynamic array works Post 302238622 by Roman Voznyuk on Sunday 21st of September 2008 08:13:45 AM
Old 09-21-2008
Where is this code called from?
I guess from some function.
In this case first example works fine becuase dynamically allocated threadids exists beyond this fucntion, but it second example it dies immediately.
Remember, pthread_create doesn't wait for actual start-up of new thread.
 

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PTHREAD_DETACH(3)					     Library Functions Manual						 PTHREAD_DETACH(3)

NAME
pthread_detach - put a running thread in the detached state SYNOPSIS
#include <pthread.h> int pthread_detach(pthread_t th); DESCRIPTION
pthread_detach put the thread th in the detached state. This guarantees that the memory resources consumed by th will be freed immediately when th terminates. However, this prevents other threads from synchronizing on the termination of th using pthread_join. A thread can be created initially in the detached state, using the detachstate attribute to pthread_create(3). In contrast, pthread_detach applies to threads created in the joinable state, and which need to be put in the detached state later. After pthread_detach completes, subsequent attempts to perform pthread_join on th will fail. If another thread is already joining the thread th at the time pthread_detach is called, pthread_detach does nothing and leaves th in the joinable state. RETURN VALUE
On success, 0 is returned. On error, a non-zero error code is returned. ERRORS
ESRCH No thread could be found corresponding to that specified by th EINVAL the thread th is already in the detached state AUTHOR
Xavier Leroy <Xavier.Leroy@inria.fr> SEE ALSO
pthread_create(3), pthread_join(3), pthread_attr_setdetachstate(3) LinuxThreads PTHREAD_DETACH(3)
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