#include <errno.h>
#include <fcntl.h>
#include <limits.h>
-#include <pty.h>
+#include <linux/ioctl.h>
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include "ring.h"
#include "util.h"
-#define PTY_BUFSIZE 16384
+#define PTY_BUFSIZE 4096
enum {
PTY_ROLE_UNKNOWN,
/*
* We're edge-triggered, means we need to read the whole queue. This,
* however, might cause us to stall if the writer is faster than we
- * are. Therefore, we read twice and if the second read still returned
- * data, we reschedule.
+ * are. Therefore, try reading as much as 8 times (32KiB) and only
+ * bail out then.
*/
- for (i = 0; i < 2; ++i) {
+ for (i = 0; i < 8; ++i) {
len = read(pty->fd, pty->in_buf, sizeof(pty->in_buf) - 1);
if (len < 0) {
if (errno == EINTR)