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Full Discussion: Posix threads
Top Forums UNIX for Advanced & Expert Users Posix threads Post 302312090 by fpmurphy on Thursday 30th of April 2009 10:33:55 AM
Old 04-30-2009
You need to create your threads as joinable i.e.

Code:
pthread_attr_t attr;
....
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
....
pthread_create( &thread1, &attr, thread_function, (void*)&nico1);
....

 

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PTHREAD_ATTR_SETDETACHSTATE(3)				     Linux Programmer's Manual				    PTHREAD_ATTR_SETDETACHSTATE(3)

NAME
pthread_attr_setdetachstate, pthread_attr_getdetachstate - set/get detach state attribute in thread attributes object SYNOPSIS
#include <pthread.h> int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); int pthread_attr_getdetachstate(pthread_attr_t *attr, int *detachstate); Compile and link with -pthread. DESCRIPTION
The pthread_attr_setdetachstate() function sets the detach state attribute of the thread attributes object referred to by attr to the value specified in detachstate. The detach state attribute determines whether a thread created using the thread attributes object attr will be created in a joinable or a detached state. The following values may be specified in detachstate: PTHREAD_CREATE_DETACHED Threads that are created using attr will be created in a detached state. PTHREAD_CREATE_JOINABLE Threads that are created using attr will be created in a joinable state. The default setting of the detach state attribute in a newly initialized thread attributes object is PTHREAD_CREATE_JOINABLE. The pthread_attr_getdetachstate() returns the detach state attribute of the thread attributes object attr in the buffer pointed to by detachstate. RETURN VALUE
On success, these functions return 0; on error, they return a nonzero error number. ERRORS
pthread_attr_setdetachstate(3) can fail with the following error: EINVAL An invalid value was specified in detachstate. CONFORMING TO
POSIX.1-2001. NOTES
See pthread_create(3) for more details on detached and joinable threads. A thread that is created in a joinable state should eventually either be joined using pthread_join(3) or detached using pthread_detach(3); see pthread_create(3). It is an error to specify the thread ID of a thread that was created in a detached state in a later call to pthread_detach(3) or pthread_join(3). EXAMPLE
See pthread_attr_init(3). SEE ALSO
pthread_attr_init(3), pthread_create(3), pthread_detach(3), pthread_join(3), pthreads(7) COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2010-02-03 PTHREAD_ATTR_SETDETACHSTATE(3)
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