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Code Issues Projects Releases Packages Wiki Activity Actions 9

UserspaceEmulator: Support ioctl(TIOCGWINSZ)

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This is very commonly used by terminal programs, and easy to support.
This commit is contained in:
Andreas Kling 2020-07-27 23:38:50 +02:00
commit 2ac5c2278d
Notes: sideshowbarker 2024-07-19 04:32:06 +09:00
1 changed files with 9 additions and 0 deletions
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9
DevTools/UserspaceEmulator/Emulator.cpp
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@ -36,6 +36,7 @@
#include <serenity.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/select.h>
#include <sys/socket.h>
@ -864,6 +865,14 @@ int Emulator::virt$ioctl(int fd, unsigned request, FlatPtr arg)
{
(void)fd;
(void)arg;
if (request == TIOCGWINSZ) {
struct winsize ws;
int rc = syscall(SC_ioctl, fd, TIOCGWINSZ, &ws);
if (rc < 0)
return rc;
mmu().copy_to_vm(arg, &ws, sizeof(winsize));
return 0;
}
dbg() << "Unsupported ioctl: " << request;
dump_backtrace();
TODO();