diff options
Diffstat (limited to 'common.h')
| -rw-r--r-- | common.h | 21 |
1 files changed, 19 insertions, 2 deletions
@@ -8,6 +8,7 @@ #include <fcntl.h> #include <limits.h> #include <math.h> +#include <poll.h> #include <stddef.h> #include <stdint.h> #include <stdio.h> @@ -17,7 +18,6 @@ #include <time.h> #include <unistd.h> -#include <libevdev/libevdev.h> #include <libsha2.h> #include <libudev.h> @@ -34,8 +34,19 @@ #define ELEMSOF(A) (sizeof(A) / sizeof(*(A))) #define BITSOF(T) (8 * sizeof(T)) +#define XORBIT(ARR, I) (READ_(ARR, I) ^= 1 << SHIFT_(ARR, I)) #define SETBIT(ARR, I) (READ_(ARR, I) |= 1 << SHIFT_(ARR, I)) #define GETBIT(ARR, I) ((READ_(ARR, I) >> SHIFT_(ARR, I)) & 1) +#define ELEMS_REQUIRED(BITS, TYPE) ((BITS + BITSOF(TYPE) - 1) / BITSOF(TYPE)) + +#define DEFER_EINTR_(DEVICE, ERROR_CONDITION, GOTO_ON_FAILURE)\ + do {\ + while (ERROR_CONDITION) {\ + if (errno != EINTR)\ + goto GOTO_ON_FAILURE;\ + (DEVICE)->internals->deferred_error = EINTR;\ + }\ + } while (0) struct libgamepad_attachment_monitor { @@ -45,11 +56,14 @@ struct libgamepad_attachment_monitor { struct libgamepad_device_internals { + int deferred_error; int close_fd; int require_sync; - struct libevdev *dev; struct input_absinfo *absinfo; uint8_t *buttons; + struct input_event *evbuf; + size_t evbuf_size; + size_t ev_queued; }; @@ -64,3 +78,6 @@ extern const char *libgamepad_absolute_axis_names__[ extern const char *libgamepad_relative_axis_names__[ #include "relative-axis.count" ]; + + +int libgamepad_drain__(struct libgamepad_device *device); |