__KVM_SYSCALL_ERROR
__KVM_SYSCALL_ERROR("write()", ret));
TEST_ASSERT(!r, __KVM_SYSCALL_ERROR(#name, r)); \
TEST_ASSERT(mem != MAP_FAILED, __KVM_SYSCALL_ERROR("mmap()",
TEST_ASSERT(new_fd >= 0, __KVM_SYSCALL_ERROR("dup()", new_fd));
#define __KVM_IOCTL_ERROR(_name, _ret) __KVM_SYSCALL_ERROR(_name, _ret)
TEST_ASSERT(fd >= 0, __KVM_SYSCALL_ERROR("eventfd()", fd));
TEST_ASSERT(fd != -1, __KVM_SYSCALL_ERROR("memfd_create()", fd));
TEST_ASSERT(fd >= 0, __KVM_SYSCALL_ERROR("open() /dev/cpu_dma_latency", fd));