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[ocaml] cserial: open serial device with O_NOCTTY to be sure...

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This commit is contained in:
Felix Ruess
2014-08-06 14:14:15 +02:00
parent 1e48b8d167
commit 4dea5050b2
1 changed files with 7 additions and 7 deletions
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sw/lib/ocaml/cserial.c
+7 -7
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@@ -46,30 +46,30 @@ value c_init_serial(value device, value speed, value hw_flow_control)
int br = baudrates[Int_val(speed)];
int fd = open(String_val(device), O_RDWR|O_NONBLOCK);
int fd = open(String_val(device), O_RDWR|O_NOCTTY|O_NONBLOCK);
if (fd == -1) failwith("opening modem serial device : fd < 0");
if (tcgetattr(fd, &orig_termios)) failwith("getting modem serial device attr");
cur_termios = orig_termios;
/* input modes */
/* input modes - turn off input processing */
cur_termios.c_iflag &= ~(IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR
|ICRNL |IXON|IXANY|IXOFF|IMAXBEL);
/* pas IGNCR sinon il vire les 0x0D */
cur_termios.c_iflag |= BRKINT;
/* output_flags */
/* output_flags - turn off output processing */
cur_termios.c_oflag &=~(OPOST|ONLCR|OCRNL|ONOCR|ONLRET);
/* control modes */
cur_termios.c_cflag &= ~(CSIZE|CSTOPB|CREAD|PARENB|PARODD|HUPCL|CLOCAL);
cur_termios.c_cflag |= CREAD|CS8|CLOCAL;
if (Bool_val(hw_flow_control)) {
cur_termios.c_cflag &= ~(CSIZE|CSTOPB|CREAD|PARENB|PARODD|HUPCL|CLOCAL);
cur_termios.c_cflag |= CREAD|CS8|CLOCAL|CRTSCTS;
cur_termios.c_cflag |= CRTSCTS;
}
else {
cur_termios.c_cflag &= ~(CSIZE|CSTOPB|CREAD|PARENB|PARODD|HUPCL|CLOCAL|CRTSCTS);
cur_termios.c_cflag |= CREAD|CS8|CLOCAL;
cur_termios.c_cflag &= ~(CRTSCTS);
}
/* local modes */