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LibC: Stub out tcsendbreak(..) and tcdrain(..)

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They are required for gdb to build.
This commit is contained in:
Brian Gianforcaro 2021-12-16 04:24:25 -08:00 committed by Brian Gianforcaro
parent 6e2a82df13
commit 7828d4254e
2 changed files with 16 additions and 0 deletions
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14
Userland/Libraries/LibC/termios.cpp
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@ -30,6 +30,13 @@ int tcsetattr(int fd, int optional_actions, const struct termios* t)
return -1;
}
// https://pubs.opengroup.org/onlinepubs/009695399/functions/tcsendbreak.html
int tcsendbreak([[maybe_unused]] int fd, [[maybe_unused]] int duration)
{
// FIXME: Implement this for real.
return 0;
}
int tcflow([[maybe_unused]] int fd, [[maybe_unused]] int action)
{
errno = EINVAL;
@ -41,6 +48,13 @@ int tcflush(int fd, int queue_selector)
return ioctl(fd, TCFLSH, queue_selector);
}
// https://pubs.opengroup.org/onlinepubs/009695399/functions/tcdrain.html
int tcdrain([[maybe_unused]] int fd)
{
// FIXME: Implement this for real.
return 0;
}
speed_t cfgetispeed(const struct termios* tp)
{
return tp->c_ispeed;

2
Userland/Libraries/LibC/termios.h
View file

@ -10,8 +10,10 @@
__BEGIN_DECLS
int tcdrain(int fd);
int tcgetattr(int fd, struct termios*);
int tcsetattr(int fd, int optional_actions, const struct termios*);
int tcsendbreak(int fd, int duration);
int tcflow(int fd, int action);
int tcflush(int fd, int queue_selector);