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Changing IO code to no longer use poll() in favor of just reading input

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and using VMIN and VTIME.
This commit is contained in:
Bruce Hill 2019-06-17 16:45:24 -07:00
parent 8d5e68d444
commit fbfe8689a8
2 changed files with 5 additions and 7 deletions
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5
bb.c
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@ -6,6 +6,7 @@
#include <dirent.h>
#include <fcntl.h>
#include <limits.h>
#include <poll.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
@ -196,8 +197,8 @@ void init_term(void)
}
memcpy(&bb_termios, &orig_termios, sizeof(bb_termios));
cfmakeraw(&bb_termios);
bb_termios.c_cc[VMIN] = 0;
bb_termios.c_cc[VTIME] = 0;
bb_termios.c_cc[VMIN] = 1;
bb_termios.c_cc[VTIME] = 1;
if (tcsetattr(fileno(tty_out), TCSAFLUSH, &bb_termios) == -1)
err("Couldn't tcsetattr");
update_term_size(0);

7
bterm.h
View File

@ -10,7 +10,6 @@
#ifndef FILE__BTERM_H
#define FILE__BTERM_H
#include <poll.h>
#include <stdio.h>
#define KEY_F1 (0xFFFF-0)
@ -112,11 +111,9 @@ const char *bkeyname(int key);
static inline int nextchar(int fd, int timeout)
{
(void)timeout;
char c;
struct pollfd pfd = {fd, POLLIN, 0};
if (poll(&pfd, 1, timeout) > 0)
return read(fd, &c, 1) == 1 ? c : -1;
return -1;
return read(fd, &c, 1) == 1 ? c : -1;
}
/*