diff options
Diffstat (limited to 'lib/libc/devctl/posix_devctl.c')
| -rw-r--r-- | lib/libc/devctl/posix_devctl.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/libc/devctl/posix_devctl.c b/lib/libc/devctl/posix_devctl.c new file mode 100644 index 00000000..bc8e7331 --- /dev/null +++ b/lib/libc/devctl/posix_devctl.c @@ -0,0 +1,17 @@ +#include <libc.h> +#include <devctl.h> +#include <errno.h> +#include <syscall.h> + +int posix_devctl(int fildes, int dcmd, void *restrict dev_data_ptr, + size_t unused nbyte, int *restrict dev_info_ptr) +{ + long r; + + if ((r = syscall(ioctl, fildes, dcmd, dev_data_ptr)) < 0) + return errno; + + *dev_info_ptr = r; + + return 0; +} |
