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terminal-unix: switch back to poll(3)

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This leverages the new polldev shim which lets us "poll" device files on
macOS with select and use the genuine article on other platforms.
This commit is contained in:
Drew DeVault
2017-12-09 09:41:37 -05:00
committed by Jan Ekström
parent ba418132cd
commit a0fc195112
1 changed files with 9 additions and 15 deletions
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24
osdep/terminal-unix.c
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@@ -25,9 +25,7 @@
#include <signal.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <pthread.h>
#include <time.h>
#include <assert.h>
#include <termios.h>
@@ -35,6 +33,7 @@
#include "osdep/io.h"
#include "osdep/threads.h"
#include "osdep/polldev.h"
#include "common/common.h"
#include "misc/bstr.h"
@@ -387,22 +386,17 @@ static void *terminal_thread(void *ptr)
{
mpthread_set_name("terminal");
bool stdin_ok = read_terminal; // if false, we still wait for SIGTERM
fd_set readfds;
int max = death_pipe[0] > tty_in ? death_pipe[0] : tty_in;
while (1) {
FD_ZERO(&readfds);
FD_SET(death_pipe[0], &readfds);
FD_SET(tty_in, &readfds);
getch2_poll();
int s = select(max + 1, &readfds, NULL, NULL, NULL);
if (s == -1) {
struct pollfd fds[2] = {
{ .events = POLLIN, .fd = death_pipe[0] },
{ .events = POLLIN, .fd = tty_in }
};
polldev(fds, stdin_ok ? 2 : 1, -1);
if (fds[0].revents)
break;
} else if (s != 0) {
if (FD_ISSET(death_pipe[0], &readfds))
break;
if (stdin_ok && FD_ISSET(tty_in, &readfds))
stdin_ok = getch2(input_ctx);
}
if (fds[1].revents)
getch2(input_ctx);
}
char c;
bool quit = read(death_pipe[0], &c, 1) == 1 && c == 1;