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testdisplay: make termio unbuffered

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So hotkeys take effect immediately.
This commit is contained in:
Jesse Barnes 2014-03-26 11:02:48 -07:00
parent 3d9e63f2ad
commit 7255a84c9c
1 changed files with 32 additions and 1 deletions
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33
tests/testdisplay.c
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@ -56,6 +56,7 @@
#include <stdbool.h>
#include <strings.h>
#include <unistd.h>
#include <termios.h>
#include <sys/poll.h>
#include <sys/time.h>
#include <sys/ioctl.h>
@ -70,6 +71,8 @@
#include <stdlib.h>
#include <signal.h>
struct termios saved_tio;
drmModeRes *resources;
int drm_fd, modes;
int test_all_modes = 0, test_preferred_mode = 0, force_mode = 0, test_plane,
@ -720,6 +723,15 @@ static void __attribute__((noreturn)) usage(char *name)
#define dump_resource(res) if (res) dump_##res()
static void cleanup_and_exit(int ret)
{
close(drm_fd);
tcsetattr(STDIN_FILENO, TCSANOW, &saved_tio);
exit(ret);
}
static gboolean input_event(GIOChannel *source, GIOCondition condition,
gpointer data)
{
@ -728,7 +740,7 @@ static gboolean input_event(GIOChannel *source, GIOCondition condition,
count = read(g_io_channel_unix_get_fd(source), buf, sizeof(buf));
if (buf[0] == 'q' && (count == 1 || buf[1] == '\n')) {
exit(0);
cleanup_and_exit(0);
}
return TRUE;
@ -754,6 +766,21 @@ static void enter_exec_path( char **argv )
free(exec_path);
}
static void set_termio_mode(void)
{
struct termios tio;
tcgetattr(STDIN_FILENO, &saved_tio);
tio = saved_tio;
tio.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &tio);
return;
}
int main(int argc, char **argv)
{
int c;
@ -826,6 +853,8 @@ int main(int argc, char **argv)
}
}
set_termio_mode();
if (depth <= 8)
bpp = 8;
else if (depth <= 16)
@ -898,5 +927,7 @@ out_mainloop:
out_close:
close(drm_fd);
tcsetattr(STDIN_FILENO, TCSANOW, &saved_tio);
return ret;
}