diff options
Diffstat (limited to 'lib/libusb/libusb.3')
| -rw-r--r-- | lib/libusb/libusb.3 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/libusb/libusb.3 b/lib/libusb/libusb.3 index 9dc752f0fd7b..607a7f645d95 100644 --- a/lib/libusb/libusb.3 +++ b/lib/libusb/libusb.3 @@ -209,6 +209,14 @@ Decrement the reference counter of the device .Fa dev . .Pp .Ft int +.Fn libusb_wrap_sys_device "libusb_context *ctx" "intptr_t sys_dev" "libusb_device_handle **dev_handle" +This function creates a libusb handler from a previously opened fd +.Fa sys_dev . +This function is provided for compatibility and is currently unimplemented. +It always returns +.Dv LIBUSB_ERROR_NOT_SUPPORTED . +.Pp +.Ft int .Fn libusb_open "libusb_device *dev" "libusb_device_handle **devh" Open a device and obtain a device_handle. Returns 0 on success, @@ -536,6 +544,21 @@ libusb_free_container_id_descriptor function. .Fn libusb_free_container_id_descriptor "struct libusb_container_id_descriptor *container_id" This function is NULL safe and frees a parsed container ID descriptor given by .Fa container_id . +.Pp +.Ft int +.Fn libusb_get_platform_descriptor "struct libusb_context *ctx" "struct libusb_bos_dev_capability_descriptor *dev_cap" "struct libusb_platform_descriptor **platform_descriptor" +This function parses the platform descriptor from the descriptor given by +.Fa dev_cap +and stores a pointer to the parsed descriptor into +.Fa platform_descriptor . +Returns zero on success and a LIBUSB_ERROR code on failure. +On success the parsed platform descriptor must be freed using the +libusb_free_platform_descriptor function. +.Pp +.Ft void +.Fn libusb_free_platform_descriptor "struct libusb_platform_descriptor *platform_descriptor" +This function is NULL safe and frees a parsed platform descriptor given by +.Fa platform_descriptor . .Sh USB ASYNCHRONOUS I/O .Ft struct libusb_transfer * .Fn libusb_alloc_transfer "int iso_packets" @@ -734,6 +757,14 @@ another thread is already doing so. Must be called with the event lock held. .Pp .Ft int +.Fn libusb_pollfds_handle_timeouts "libusb_context *ctx" +This function determines whether applications maintaining libusb events using +.Fn libusb_get_pollfds +are responsible for handling timeout events themselves. +Returns 1 if libusb handles the timeout internally, 0 if the application +needs to set a dedicated timer to handle it. +.Pp +.Ft int .Fn libusb_get_next_timeout "libusb_context *ctx" "struct timeval *tv" Determine the next internal timeout that libusb needs to handle. Returns 0 |