09-21-2008
Quote:
Originally Posted by
kmehta
So, shouldnt I face a problem when I place the code directly in the main() function ??
It depends on operating system. In case of Solaris your new thread might not even start before your application ends up.
The basic idea is that pointer your pass to pthread_create must eixsts at the moment you thread starts-up. And if you plan to use this data in this thread (otherwise why do you pass it?) you must guarantee that this data is not being destroyed while your thread is running. Usually people use prthread_join for this purpose.
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LEARN ABOUT HPUX
pthread_detach
pthread_detach(3T) pthread_detach(3T)
NAME
pthread_detach() - mark a thread as detached to reclaim its resources when it terminates
SYNOPSIS
PARAMETERS
thread Thread whose resources are to be reclaimed immediately when it terminates.
DESCRIPTION
is used to detach the thread thread. When thread terminates, its resources will automatically be reclaimed by the system. If thread has
already terminated, causes the resources of thread to be reclaimed by the system.
does not cause thread to terminate.
Once a detached thread has terminated, its resources, including the thread ID, may be reused by the system. The return status of a detached
thread is lost when the thread terminates.
Calling this function multiple times for the same thread results in undefined behavior.
RETURN VALUE
Upon successful completion, returns zero. Otherwise, an error number is returned to indicate the error (the variable is not set).
ERRORS
If any of the following occur, the function returns the corresponding error number:
[EINVAL] thread does not refer to a joinable thread.
[ESRCH] No thread could be found corresponding to thread.
AUTHOR
was derived from the IEEE POSIX P1003.1c standard.
SEE ALSO
pthread_create(3T), pthread_join(3T), wait(2).
STANDARDS CONFORMANCE
Pthread Library pthread_detach(3T)