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#include <u.h>
#include <libc.h>
#include "cocoa-thread.h"
static pthread_mutex_t initlock = PTHREAD_MUTEX_INITIALIZER;
void
qlock(QLock *q)
{
if(q->init == 0){
pthread_mutex_lock(&initlock);
if(q->init == 0){
pthread_mutex_init(&q->m, nil);
q->init = 1;
}
pthread_mutex_unlock(&initlock);
}
pthread_mutex_lock(&q->m);
}
void
qunlock(QLock *q)
{
pthread_mutex_unlock(&q->m);
}
static void
rinit(Rendez *r)
{
pthread_mutex_lock(&initlock);
if(r->init == 0){
pthread_cond_init(&r->c, nil);
r->init = 1;
}
pthread_mutex_unlock(&initlock);
}
void
rsleep(Rendez *r)
{
if(r->init == 0)
rinit(r);
pthread_cond_wait(&r->c, &r->l->m);
}
int
rwakeup(Rendez *r)
{
if(r->init == 0)
rinit(r);
pthread_cond_signal(&r->c);
return 0;
}
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