diff options
Diffstat (limited to 'adb/fdevent.h')
| -rw-r--r-- | adb/fdevent.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/adb/fdevent.h b/adb/fdevent.h index 70e0a96e0..42dbb9e70 100644 --- a/adb/fdevent.h +++ b/adb/fdevent.h @@ -18,17 +18,20 @@ #define __FDEVENT_H #include <stddef.h> -#include <stdint.h> /* for int64_t */ +#include <stdint.h> +#include <chrono> #include <functional> +#include <optional> #include <variant> #include "adb_unique_fd.h" -/* events that may be observed */ -#define FDE_READ 0x0001 -#define FDE_WRITE 0x0002 -#define FDE_ERROR 0x0004 +// Events that may be observed +#define FDE_READ 0x0001 +#define FDE_WRITE 0x0002 +#define FDE_ERROR 0x0004 +#define FDE_TIMEOUT 0x0008 typedef void (*fd_func)(int fd, unsigned events, void *userdata); typedef void (*fd_func2)(struct fdevent* fde, unsigned events, void* userdata); @@ -41,6 +44,8 @@ struct fdevent { uint16_t state = 0; uint16_t events = 0; + std::optional<std::chrono::milliseconds> timeout; + std::chrono::steady_clock::time_point last_active; std::variant<fd_func, fd_func2> func; void* arg = nullptr; @@ -62,7 +67,11 @@ void fdevent_set(fdevent *fde, unsigned events); void fdevent_add(fdevent *fde, unsigned events); void fdevent_del(fdevent *fde, unsigned events); -void fdevent_set_timeout(fdevent *fde, int64_t timeout_ms); +// Set a timeout on an fdevent. +// If no events are triggered by the timeout, an FDE_TIMEOUT will be generated. +// Note timeouts are not defused automatically; if a timeout is set on an fdevent, it will +// trigger repeatedly every |timeout| ms. +void fdevent_set_timeout(fdevent* fde, std::optional<std::chrono::milliseconds> timeout); // Loop forever, handling events. void fdevent_loop(); |