# zx_channel_create ## NAME channel_create - create a channel ## SYNOPSIS ``` #include zx_status_t zx_channel_create(uint32_t options, zx_handle_t* out0, zx_handle_t* out1); ``` ## DESCRIPTION `zx_channel_create()` creates a channel, a bi-directional datagram-style message transport capable of sending raw data bytes as well as handles from one side to the other. Two handles are returned on success, providing access to both sides of the channel. Messages written to one handle may be read from the opposite. The handles will have **ZX_RIGHT_TRANSFER** (allowing them to be sent to another process via channel write), **ZX_RIGHT_WRITE** (allowing messages to be written to them), and **ZX_RIGHT_READ** (allowing messages to be read from them). ## RIGHTS TODO(ZX-2399) ## RETURN VALUE `zx_channel_create()` returns **ZX_OK** on success. In the event of failure, a negative error value is returned. ## ERRORS **ZX_ERR_INVALID_ARGS** *out0* or *out1* is an invalid pointer or NULL or *options* is any value other than 0. **ZX_ERR_NO_MEMORY** Failure due to lack of memory. There is no good way for userspace to handle this (unlikely) error. In a future build this error will no longer occur. ## SEE ALSO - [`zx_channel_call()`] - [`zx_channel_read()`] - [`zx_channel_write()`] - [`zx_handle_close()`] - [`zx_handle_duplicate()`] - [`zx_handle_replace()`] - [`zx_object_wait_async()`] - [`zx_object_wait_many()`] - [`zx_object_wait_one()`] [`zx_channel_call()`]: channel_call.md [`zx_channel_read()`]: channel_read.md [`zx_channel_write()`]: channel_write.md [`zx_handle_close()`]: handle_close.md [`zx_handle_duplicate()`]: handle_duplicate.md [`zx_handle_replace()`]: handle_replace.md [`zx_object_wait_async()`]: object_wait_async.md [`zx_object_wait_many()`]: object_wait_many.md [`zx_object_wait_one()`]: object_wait_one.md