C++ FREE_OBJ函数代码示例

void
VRT_DelDirector(VCL_BACKEND *bp)
{
	struct vcl *vcl;
	struct vcldir *vdir;
	VCL_BACKEND d;

	TAKE_OBJ_NOTNULL(d, bp, DIRECTOR_MAGIC);
	vdir = d->vdir;
	CHECK_OBJ_NOTNULL(vdir, VCLDIR_MAGIC);
	vcl = vdir->vcl;
	CHECK_OBJ_NOTNULL(vcl, VCL_MAGIC);
	Lck_Lock(&vcl_mtx);
	VTAILQ_REMOVE(&vcl->director_list, vdir, list);
	Lck_Unlock(&vcl_mtx);

	AZ(errno=pthread_rwlock_rdlock(&vcl->temp_rwl));
	if (VCL_WARM(vcl))
		VDI_Event(d, VCL_EVENT_COLD);
	AZ(errno=pthread_rwlock_unlock(&vcl->temp_rwl));
	if(vdir->methods->destroy != NULL)
		vdir->methods->destroy(d);
	free(vdir->cli_name);
	FREE_OBJ(vdir->dir);
	FREE_OBJ(vdir);
}

void
vex_Free(struct vex **pvex)
{

	if ((*pvex)->lhs != NULL) {
		if ((*pvex)->lhs->tags != NULL)
			vbit_destroy((*pvex)->lhs->tags);
		if ((*pvex)->lhs->prefix != NULL)
			free((*pvex)->lhs->prefix);
		FREE_OBJ((*pvex)->lhs);
	}
	if ((*pvex)->rhs != NULL) {
		if ((*pvex)->rhs->val_string)
			free((*pvex)->rhs->val_string);
		if ((*pvex)->rhs->val_regex)
			VRE_free(&(*pvex)->rhs->val_regex);
		FREE_OBJ((*pvex)->rhs);
	}
	if ((*pvex)->a != NULL) {
		vex_Free(&(*pvex)->a);
		AZ((*pvex)->a);
	}
	if ((*pvex)->b != NULL) {
		vex_Free(&(*pvex)->b);
		AZ((*pvex)->b);
	}
	FREE_OBJ(*pvex);
	*pvex = NULL;
}

VCL_VOID
vmod_file_system__fini(struct vmod_fsdirector_file_system **fsp)
{
	struct vmod_fsdirector_file_system *fs;
	void *res;

	// XXX It seems that the destructor is not called yet.
	//     A little reminder then...
	abort();

	fs = *fsp;
	*fsp = NULL;
	CHECK_OBJ_NOTNULL(fs, VMOD_FSDIRECTOR_MAGIC);

	AZ(pthread_cancel(fs->tp));
	AZ(pthread_join(fs->tp, &res));
	assert(res == PTHREAD_CANCELED);

	magic_close(fs->magic_cookie);
	free(fs->thread_name);
	free(fs->ws_name);
	free(fs->wrk->aws);
	FREE_OBJ(fs->wrk);
	FREE_OBJ(fs);
}

/*---------------------------------------------------------------------*/
void
HSH_Cleanup(struct worker *wrk)
{

	if (wrk->nobjcore != NULL) {
		FREE_OBJ(wrk->nobjcore);
		wrk->stats->n_objectcore--;
		wrk->nobjcore = NULL;
	}
	if (wrk->nobjhead != NULL) {
		Lck_Delete(&wrk->nobjhead->mtx);
		FREE_OBJ(wrk->nobjhead);
		wrk->nobjhead = NULL;
		wrk->stats->n_objecthead--;
	}
	if (wrk->nwaitinglist != NULL) {
		FREE_OBJ(wrk->nwaitinglist);
		wrk->nwaitinglist = NULL;
		wrk->stats->n_waitinglist--;
	}
	if (wrk->nhashpriv != NULL) {
		/* XXX: If needed, add slinger method for this */
		free(wrk->nhashpriv);
		wrk->nhashpriv = NULL;
	}
}

char *popen_fread(char *cmd, char *buf, int len)
{
	char *str_tmp = NULL;
	char *p = NULL;
	FILE *fp = NULL;
	
	if((cmd == NULL) || (buf == NULL))
		return NULL;
	//str_tmp = malloc(len);
	CREATE_STRING_ERR(str_tmp,len,MALLOC_ERR_RET(NULL));
	if(str_tmp == NULL)
	{
		goto err;
	}
	printf_d("CMD: %s\n", cmd);
	fp = popen(cmd, "r");
	if(fp)
	{
		memset(str_tmp, 0, len);
		if(fread(str_tmp, 1, len, fp) > 0)
		{
			if(strlen(str_tmp) < 1)
			{
				pclose(fp);
				goto err;
			}
			if(str_tmp[strlen(str_tmp)-1] == '\n')
			{
				str_tmp[strlen(str_tmp)-1] = '\0';
			}
			else
			{
				str_tmp[strlen(str_tmp)] = '\0';
			}
			p = trim(str_tmp);
			if(p == NULL)
			{
				buf[0] = 0;
			}
			else
				strcpy(buf, p);
			pclose(fp);
		}
		else
		{
			pclose(fp);
			goto err;
		}
	}
	else
	{
		goto err;
	}
	FREE_OBJ(str_tmp);
	return buf;
err:
	FREE_OBJ(str_tmp);
	return NULL;
}

void
vdir_delete(struct vdir **vdp)
{
	struct vdir *vd;

	TAKE_OBJ_NOTNULL(vd, vdp, VDIR_MAGIC);

	free(vd->backend);
	free(vd->weight);
	AZ(pthread_rwlock_destroy(&vd->mtx));
	free(vd->dir->vcl_name);
	FREE_OBJ(vd->dir);
	vbit_destroy(vd->vbm);
	FREE_OBJ(vd);
}

void
TestCB_destroy(TestCharBuf *self)
{
    DECREF(self->wanted);
    DECREF(self->got);
    FREE_OBJ(self);
}

void ME_DeleteReObject(REOBJECT* reo)
{
    if (reo->poleobj)   IOleObject_Release(reo->poleobj);
    if (reo->pstg)      IStorage_Release(reo->pstg);
    if (reo->polesite)  IOleClientSite_Release(reo->polesite);
    FREE_OBJ(reo);
}

void
Snapshot_destroy(Snapshot *self)
{
    DECREF(self->entries);
    DECREF(self->filename);
    FREE_OBJ(self);
}

	// Free a memblock object.
	void Memblock::free(Memory& mem, Memblock* m)
	{
		if(m->ownData)
			m->data.free(mem);

		FREE_OBJ(mem, Memblock, m);
	}

vfp_esi_end(struct sess *sp)
{
	struct vsb *vsb;
	struct vef_priv *vef;
	ssize_t l;

	CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
	AN(sp->wrk->vep);

	vsb = VEP_Finish(sp);

	if (vsb != NULL) {
		l = VSB_len(vsb);
		assert(l > 0);
		/* XXX: This is a huge waste of storage... */
		sp->obj->esidata = STV_alloc(sp, l);
		XXXAN(sp->obj->esidata);
		memcpy(sp->obj->esidata->ptr, VSB_data(vsb), l);
		sp->obj->esidata->len = l;
		VSB_delete(vsb);
	}
	if (sp->wrk->vgz_rx != NULL)
		VGZ_Destroy(&sp->wrk->vgz_rx);

	if (sp->wrk->vef_priv != NULL) {
		vef = sp->wrk->vef_priv;
		CHECK_OBJ_NOTNULL(vef, VEF_MAGIC);
		sp->wrk->vef_priv = NULL;
		VGZ_UpdateObj(vef->vgz, sp->obj);
		VGZ_Destroy(&vef->vgz);
		XXXAZ(vef->error);
		FREE_OBJ(vef);
	}
	return (0);
}

static void
vsmw_delseg(struct vsmw *vsmw, struct vsmwseg *seg, int fixidx)
{
	char *t = NULL;
	ssize_t s;
	int fd;

	CHECK_OBJ_NOTNULL(vsmw, VSMW_MAGIC);
	CHECK_OBJ_NOTNULL(seg, VSMWSEG_MAGIC);

	VTAILQ_REMOVE(&vsmw->segs, seg, list);
	REPLACE(seg->class, NULL);
	REPLACE(seg->id, NULL);
	FREE_OBJ(seg);

	if (fixidx) {
		vsmw_mkent(vsmw, vsmw->idx);
		REPLACE(t, VSB_data(vsmw->vsb));
		AN(t);
		fd = openat(vsmw->vdirfd,
		    t, O_WRONLY|O_CREAT|O_EXCL, vsmw->mode);
		assert(fd >= 0);
		vsmw_idx_head(vsmw, fd);
		VSB_clear(vsmw->vsb);
		VTAILQ_FOREACH(seg, &vsmw->segs, list)
			vsmw_fmt_index(vsmw, seg);
		AZ(VSB_finish(vsmw->vsb));
		s = write(fd, VSB_data(vsmw->vsb), VSB_len(vsmw->vsb));
		assert(s == VSB_len(vsmw->vsb));
		AZ(close(fd));
		AZ(renameat(vsmw->vdirfd, t, vsmw->vdirfd, vsmw->idx));
		REPLACE(t, NULL);
	}
}

void
VRT_rel_vcl(VRT_CTX, struct vclref **refp)
{
	struct vcl *vcl;
	struct vclref *ref;

	AN(refp);
	ref = *refp;
	*refp = NULL;

	CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
	CHECK_OBJ_NOTNULL(ref, VCLREF_MAGIC);

	vcl = ctx->vcl;
	CHECK_OBJ_NOTNULL(vcl, VCL_MAGIC);
	assert(vcl == ref->vcl);

	/* NB: A VCL may be released by a VMOD at any time, but it must happen
	 * after a warmup and before the end of a cooldown. The release may or
	 * may not happen while the same thread holds the temperature lock, so
	 * instead we check that all references are gone in VCL_Nuke.
	 */

	Lck_Lock(&vcl_mtx);
	assert(!VTAILQ_EMPTY(&vcl->ref_list));
	VTAILQ_REMOVE(&vcl->ref_list, ref, list);
	vcl->nrefs--;
	/* No garbage collection here, for the same reasons as in VCL_Rel. */
	Lck_Unlock(&vcl_mtx);

	FREE_OBJ(ref);
}

void
ObjIterEnd(struct objiter **oi)
{

	CHECK_OBJ_NOTNULL((*oi), OBJITER_MAGIC);
	FREE_OBJ((*oi));
}

static void *
vbp_wrk_poll_backend(void *priv)
{
	struct vbp_target *vt;

	THR_SetName("backend poll");

	CAST_OBJ_NOTNULL(vt, priv, VBP_TARGET_MAGIC);

	while (!vt->stop) {
		AN(vt->req);
		assert(vt->req_len > 0);

		if (!vt->disable) {
			vbp_start_poke(vt);
			vbp_poke(vt);
			vbp_has_poked(vt);
		}

		if (!vt->stop)
			VTIM_sleep(vt->probe.interval);
	}
	Lck_Delete(&vt->mtx);
	VTAILQ_REMOVE(&vbp_list, vt, list);
	VBT_Rel(&vt->tcp_pool);
	free(vt->req);
	FREE_OBJ(vt);
	return (NULL);
}