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parrotrunningthread.pmc
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parrotrunningthread.pmc
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/*
Copyright 2006 The Perl Foundation.
$Id$
=head1 NAME
src/pmc/parrotrunningthread.pmc -- Represents a running Parrot Thread.
=head1 DESCRIPTION
This type represents a running parrot thread.
It provides the following methods:
- join
- detach
- kill
Note that a running thread object becomes invalid when a thread
finishes while detached or joined. Further operations on the
object may have unexpected behavior, such as manipulating an
unrelated thread.
=head2 Methods
=over 4
=cut
*/
#include "parrot/parrot.h"
#include "parrot/embed.h"
#include <assert.h>
pmclass ParrotRunningThread no_ro {
/*
=item C<void init()>
Create a new, invalid handle to a running thread.
=cut
*/
void init() {
PMC_int_val(SELF) = -1;
}
/*
=item C<void init_pmc(PMC* tid)>
Create a new running thread referring to the thread with
the Thread ID specified in C<tid>.
=cut
*/
void init_pmc(PMC* tid) {
PMC_int_val(SELF) = VTABLE_get_integer(INTERP, tid);
}
/*
=item C<INTVAL get_integer()>
Return the thread ID of this thread.
=cut
*/
INTVAL get_integer() {
return PMC_int_val(SELF);
}
/*
=item C<void set_integer_native(INTVAL new_tid)>
Change the thread ID we refer to to C<new_tid>.
*/
void set_integer_native(INTVAL new_tid) {
PMC_int_val(SELF) = new_tid;
}
/*
=item C<METHOD PMC* join()>
Join the thread, returning whatever its main method returns.
=cut
*/
METHOD PMC* join() {
PMC *ret;
ret = pt_thread_join(INTERP, PMC_int_val(SELF));
PMC_int_val(SELF) = -1; /* invalidate self */
return ret;
}
/*
=item C<METHOD void detach()>
Detach the thread so it cannot be joined and will free its
resources immediatelly when it exits.
=cut
*/
METHOD void detach() {
pt_thread_detach(PMC_int_val(SELF));
}
/*
=item C<METHOD void kill()>
Terminate a running thread.
=cut
*/
METHOD void kill() {
pt_thread_kill(PMC_int_val(SELF));
}
}
/*
=back
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4:
*/