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This commit is contained in:
Alessandro Mauri 2020-04-15 01:27:16 +02:00
parent 1f007ab92e
commit 1b017733cb
1 changed files with 7 additions and 4 deletions

11
macrod.c
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@ -27,7 +27,7 @@ struct pressed_buffer {
unsigned int size; unsigned int size;
}; };
int term = 0; // Received SIGTERM flag int term = 0; // exit flag
const char ev_root[] = "/dev/input/"; const char ev_root[] = "/dev/input/";
int pressBufferAdd (struct pressed_buffer*, unsigned short); int pressBufferAdd (struct pressed_buffer*, unsigned short);
@ -80,14 +80,17 @@ int main (void)
} }
closedir(ev_dir); closedir(ev_dir);
// TODO: watch for events inside /dev/input and reload accordingly // TODO: watch for events inside /dev/input and reload accordingly
// could use the inotify API (linux specific), a separate process // could use the epoll syscall or the inotify API (linux),
// or some polling system inside the main loop to maintain portability // event API (openbsd), kqueue syscall (BSD and macos), a separate
// across other *NIX derivatives // process or some polling system inside the main loop to maintain
// portability across other *NIX derivatives, could also use libev
struct input_event event; struct input_event event;
struct pressed_buffer pb = {NULL, 0}; // Pressed keys buffer struct pressed_buffer pb = {NULL, 0}; // Pressed keys buffer
ssize_t rb; // Read bits ssize_t rb; // Read bits
// TODO: optimize the loop with an O(1) call as it runs for every
// event, some of those are in the previous comment
while (poll(fds, fd_num, -1) != -1 && !term) { while (poll(fds, fd_num, -1) != -1 && !term) {
/* Use poll(2) to wait por a file dscriptor to become ready for reading. /* Use poll(2) to wait por a file dscriptor to become ready for reading.
* NOTE: this could use select(2) but I don't know how */ * NOTE: this could use select(2) but I don't know how */