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Show First 20 Lines • Show All 565 Lines • ▼ Show 20 Lines	sendfile_getobj(struct thread td, struct file fp, vm_object_t *obj_res,
int *bsize)		int *bsize)
{		{
struct vattr va;		struct vattr va;
vm_object_t obj;		vm_object_t obj;
struct vnode *vp;		struct vnode *vp;
struct shmfd *shmfd;		struct shmfd *shmfd;
int error;		int error;

		error = 0;
vp = *vp_res = NULL;		vp = *vp_res = NULL;
obj = NULL;		obj = NULL;
shmfd = *shmfd_res = NULL;		shmfd = *shmfd_res = NULL;
*bsize = 0;		*bsize = 0;

/*		/*
* The file descriptor must be a regular file and have a		* The file descriptor must be a regular file and have a
* backing VM object.		* backing VM object.
Show All 23 Lines	if (fp->f_type == DTYPE_VNODE) {
} else {		} else {
error = VOP_GETATTR(vp, &va, td->td_ucred);		error = VOP_GETATTR(vp, &va, td->td_ucred);
if (error != 0)		if (error != 0)
goto out;		goto out;
*obj_size = va.va_size;		*obj_size = va.va_size;
VM_OBJECT_RLOCK(obj);		VM_OBJECT_RLOCK(obj);
}		}
} else if (fp->f_type == DTYPE_SHM) {		} else if (fp->f_type == DTYPE_SHM) {
error = 0;
shmfd = fp->f_data;		shmfd = fp->f_data;
obj = shmfd->shm_object;		obj = shmfd->shm_object;
VM_OBJECT_RLOCK(obj);		VM_OBJECT_RLOCK(obj);
*obj_size = shmfd->shm_size;		*obj_size = shmfd->shm_size;
} else {		} else {
error = EINVAL;		error = EINVAL;
goto out;		goto out;
}		}
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