| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <lib/fdio/fd.h> |
| |
| #include <lib/fdio/fdio.h> |
| #include <lib/fdio/unsafe.h> |
| #include <zircon/assert.h> |
| |
| #include "private.h" |
| |
| __EXPORT |
| zx_status_t fdio_fd_create(zx_handle_t handle, int* fd_out) { |
| fdio_t* io = nullptr; |
| zx_status_t status = fdio_create(handle, &io); |
| if (status != ZX_OK) { |
| return status; |
| } |
| int fd = fdio_bind_to_fd(io, -1, 0); |
| if (fd < 0) { |
| fdio_close(io); |
| fdio_release(io); |
| return ZX_ERR_BAD_STATE; |
| } |
| *fd_out = fd; |
| return ZX_OK; |
| } |
| |
| __EXPORT |
| zx_status_t fdio_cwd_clone(zx_handle_t* out_handle) { |
| auto ops = fdio_get_ops(fdio_cwd_handle); |
| return ops->clone(fdio_cwd_handle, out_handle); |
| } |
| |
| __EXPORT |
| zx_status_t fdio_fd_clone(int fd, zx_handle_t* out_handle) { |
| zx_status_t status; |
| fdio_t* io = nullptr; |
| if ((io = fdio_unsafe_fd_to_io(fd)) == NULL) { |
| return ZX_ERR_INVALID_ARGS; |
| } |
| // TODO(ZX-973): implement/honor close-on-exec flag |
| status = fdio_get_ops(io)->clone(io, out_handle); |
| fdio_release(io); |
| return status; |
| } |
| |
| __EXPORT |
| zx_status_t fdio_fd_transfer(int fd, zx_handle_t* out_handle) { |
| zx_status_t status; |
| fdio_t* io = nullptr; |
| status = fdio_unbind_from_fd(fd, &io); |
| if (status != ZX_OK) { |
| return status; |
| } |
| status = fdio_get_ops(io)->unwrap(io, out_handle); |
| fdio_release(io); |
| return status; |
| } |