C++ (Cpp) yarnPeekLock Examples

Example #1

File: rpmmalloc.c Project: hahnakane/junkcode

/*@null@*/
void * rpmioFreePoolItem(/*@killref@*/ /*@null@*/ rpmioItem item,
                const char * msg, const char * fn, unsigned ln)
        /*@modifies item @*/
{
    rpmioPool pool;
    if (item == NULL) return NULL;

#ifdef	NOTYET
assert(item->pool != NULL);	/* XXX (*pool->fini) is likely necessary */
#endif
    yarnPossess(item->use);
    if ((pool = item->pool) != NULL && pool->flags && msg != NULL) {
	const char * imsg = (pool->dbg ? (*pool->dbg)((void *)item) : "");
/*@-modfilesys@*/
	fprintf(stderr, "--> %s %p -- %ld %s at %s:%u%s\n", pool->name,
			item, yarnPeekLock(item->use), msg, fn, ln, imsg);
/*@=modfilesys@*/
    }
    if (yarnPeekLock(item->use) <= 1L) {
	if (pool != NULL && pool->fini != NULL)
	    (*pool->fini) ((void *)item);
	VALGRIND_MEMPOOL_FREE(pool, item + 1);
	item = rpmioPutPool(item);
    } else
	yarnTwist(item->use, BY, -1);
/*@-retalias@*/	/* XXX returning the deref'd item is used to detect nrefs = 0 */
    return (void *) item;
/*@=retalias@*/
}

Example #2

File: rpmzlog.c Project: cmjonze/rpm5_tarballs

rpmzLog rpmzLogLink(rpmzLog zlog)
{
    long nrefs;

    if (zlog == NULL)
        return NULL;
    yarnPossess(zlog->_item.use);
    nrefs = yarnPeekLock(zlog->_item.use);
    if (_rpmzlog_debug)
        fprintf(stderr, "    ++ zlog %p[%ld]\n", zlog, nrefs+1);
    yarnTwist(zlog->_item.use, BY, 1);
    return zlog;
}

Example #3

File: rpmmalloc.c Project: hahnakane/junkcode

/*@-internalglobs@*/
rpmioItem rpmioLinkPoolItem(rpmioItem item, const char * msg,
		const char * fn, unsigned ln)
{
    rpmioPool pool;
    if (item == NULL) return NULL;
    yarnPossess(item->use);
    if ((pool = item->pool) != NULL && pool->flags && msg != NULL) {
	const char * imsg = (pool->dbg ? (*pool->dbg)((void *)item) : "");
/*@-modfilesys@*/
	fprintf(stderr, "--> %s %p ++ %ld %s at %s:%u%s\n", pool->name,
			item, yarnPeekLock(item->use)+1, msg, fn, ln, imsg);
/*@=modfilesys@*/
    }
    yarnTwist(item->use, BY, 1);
    return item;
}

Example #4

File: rpmzlog.c Project: cmjonze/rpm5_tarballs

rpmzLog rpmzLogFree(rpmzLog zlog)
{
    long nrefs;
    rpmzMsg me;

    if (zlog == NULL)
        return NULL;

    yarnPossess(zlog->_item.use);
    nrefs = yarnPeekLock(zlog->_item.use);
    if (_rpmzlog_debug)
        fprintf(stderr, "    -- zlog %p[%ld]\n", zlog, nrefs);
#ifdef  NOTYET
    assert(nrefs > 0);
#else
    if (nrefs <= 0)
        fprintf(stderr, "==> FIXME: %s: zlog %p[%ld]\n", __FUNCTION__, zlog, nrefs);
#endif
    if (nrefs == 1) {
        yarnLock use = zlog->_item.use;
        if (zlog->msg_tail != NULL) {
            while ((me = zlog->msg_head) != NULL) {
                zlog->msg_head = me->next;
                me->msg = _free(me->msg);
                /*@-compdestroy@*/
                me = _free(me);
                /*@=compdestroy@*/
                zlog->msg_count--;
            }
#ifdef  NOTYET
            assert(zlog->msg_count == 0);
#else
            if (zlog->msg_count != 0)
                fprintf(stderr, "==> FIXME: %s: zlog %p[%ld] count %d\n", __FUNCTION__, zlog, nrefs, zlog->msg_count);
#endif
            zlog->msg_count = 0;
            zlog->msg_tail = NULL;
        }
        zlog = _free(zlog);
        yarnTwist(use, BY, -1);
        use = yarnFreeLock(use);
    } else
        yarnTwist(zlog->_item.use, BY, -1);
    return NULL;
}

Example #5

File: rpmmalloc.c Project: hahnakane/junkcode

/*@-internalglobs@*/
rpmioItem rpmioUnlinkPoolItem(rpmioItem item, const char * msg,
		const char * fn, unsigned ln)
{
    rpmioPool pool;
    if (item == NULL) return NULL;
    yarnPossess(item->use);
    if ((pool = item->pool) != NULL && pool->flags && msg != NULL) {
	const char * imsg = (pool->dbg ? (*pool->dbg)((void *)item) : "");
/*@-modfilesys@*/
	fprintf(stderr, "--> %s %p -- %ld %s at %s:%u%s\n", pool->name,
			item, yarnPeekLock(item->use), msg, fn, ln, imsg);
/*@=modfilesys@*/
    }
    yarnTwist(item->use, BY, -1);
/*@-retalias@*/	/* XXX returning the deref'd item is used to detect nrefs = 0 */
    return item;
/*@=retalias@*/
}

Example #6

File: verify.c Project: avokhmin/RPM5

static rpmvf rpmvfFree(/*@only@*/ rpmvf vf)
	/*@modifies vf @*/
{

    if (vf) {
#ifdef	NOTYET
	yarnPossess(vf->_item.use);
	if (yarnPeekLock(vf->_item.use) <= 1L) {
	    yarnLock use = vf->_item.use;
	    vf->fn = _free(vf->fn);
	    vf = _free(vf);
	    yarnTwist(use, TO, 0);
	    use = yarnFreeLock(use);
	} else
	    yarnTwist(vf->_item.use, BY, -1);
#else
	vf->fn = _free(vf->fn);
	vf = _free(vf);
#endif
    }
    return NULL;
}