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hacky custom baud on macOS

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This commit is contained in:
Asherah Connor 2021-01-30 22:31:07 +11:00
parent 3a1fd79fcb
commit b84e7168b6
1 changed files with 25 additions and 4 deletions
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29
src/tty.c
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@ -44,8 +44,10 @@
#include "tio/log.h"
#include "tio/error.h"
#ifdef HAVE_TERMIOS2
#if defined(HAVE_TERMIOS2)
extern int setspeed2(int fd, int baudrate);
#elif defined(__APPLE__)
#include <IOKit/serial/ioss.h>
#endif
static struct termios tio, tio_old, stdout_new, stdout_old, stdin_new, stdin_old;
@ -366,9 +368,16 @@ void tty_configure(void)
AUTOCONF_BAUDRATE_CASES
default:
#ifdef HAVE_TERMIOS2
#if defined(HAVE_TERMIOS2)
standard_baudrate = false;
break;
#elif defined(__APPLE__)
standard_baudrate = false;
// We need to set *something* in tio here, otherwise the later
// tcsetattr will fail. We'll override this with ioctl.
cfsetispeed(&tio, B9600);
cfsetospeed(&tio, B9600);
break;
#else
error_printf("Invalid baud rate");
exit(EXIT_FAILURE);
@ -679,7 +688,7 @@ int tty_connect(void)
goto error_tcsetattr;
}
#ifdef HAVE_TERMIOS2
#if defined(HAVE_TERMIOS2)
if (!standard_baudrate)
{
if (setspeed2(fd, option.baudrate) != 0)
@ -688,6 +697,16 @@ int tty_connect(void)
goto error_setspeed2;
}
}
#elif defined(__APPLE__)
if (!standard_baudrate)
{
speed_t baud = option.baudrate;
if (ioctl(fd, IOSSIOSPEED, &baud) == -1)
{
error_printf_silent("Could not set baudrate speed (%s)", strerror(errno));
goto error_iokit;
}
}
#endif
maxfd = MAX(fd, STDIN_FILENO) + 1; /* Maximum bit entry (fd) to test */
@ -827,8 +846,10 @@ int tty_connect(void)
return TIO_SUCCESS;
#ifdef HAVE_TERMIOS2
#if defined(HAVE_TERMIOS2)
error_setspeed2:
#elif defined(__APPLE__)
error_iokit:
#endif
error_tcsetattr:
error_tcgetattr: