FIDO_DEV_SET_IO_FUNCTIONS(3) | FreeBSD Library Functions Manual | FIDO_DEV_SET_IO_FUNCTIONS(3) |
fido_dev_set_io_functions
,
fido_dev_set_sigmask
—
#include <fido.h>
typedef void *fido_dev_io_open_t(const char *); typedef void fido_dev_io_close_t(void *); typedef int fido_dev_io_read_t(void *, unsigned char *, size_t, int); typedef int fido_dev_io_write_t(void *, const unsigned char *, size_t); typedef struct fido_dev_io { fido_dev_io_open_t *open; fido_dev_io_close_t *close; fido_dev_io_read_t *read; fido_dev_io_write_t *write; } fido_dev_io_t; #ifdef _WIN32 typedef int fido_sigset_t; #else typedef sigset_t fido_sigset_t; #endif
fido_dev_set_io_functions
(fido_dev_t
*dev, const fido_dev_io_t
*io);
int
fido_dev_set_sigmask
(fido_dev_t
*dev, const fido_sigset_t
*sigmask);
fido_dev_set_io_functions
() function sets the I/O
handlers used by libfido2 to talk to
dev. By default, these handlers are set to the operating
system's native HID or NFC interfaces. They are defined as follows:
When calling fido_dev_set_io_functions
(),
the open, close,
read, and write fields of
io may not be NULL.
No references to io are held by
fido_dev_set_io_functions
().
The fido_dev_set_sigmask
() function may be
used to specify a non-NULL signal mask sigmask to be
used while libfido2's default I/O handlers wait on
dev. On UNIX-like operating systems,
fido_sigset_t is defined as
sigset_t. On Windows,
fido_sigset_t is defined as int
and fido_dev_set_sigmask
() is a no-op.
No references to sigmask are held by
fido_dev_set_sigmask
().
fido_dev_set_io_functions
() and
fido_dev_set_sigmask
() return
FIDO_OK
. On error, a different error code defined in
<fido/err.h>
is returned.
May 25, 2018 | Yubico AB |