Function lwp_pgrp_dec_ref

components/lwp/lwp_pgrp.c:21–31

#include <rtdbg.h>

void lwp_pgrp_dec_ref(rt_processgroup_t pgrp)
{
    if (rt_atomic_add(&pgrp->ref, -1) == 1)
    {
        rt_mutex_detach(&(pgrp->mutex));

        /* clear self pgid */
        pgrp->pgid = 0;
        rt_free(pgrp);
    }
}

rt_processgroup_t lwp_pgrp_find_and_inc_ref(pid_t pgid)
{