RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-10-31 13:22:43 +00:00
Code Issues Activity Actions

Add tcsetpgrp()+tcgetpgrp().

Browse source 
One more step on the path to being able to ^C a runaway process. :^)
This commit is contained in:
Andreas Kling 2018-11-02 13:14:25 +01:00
parent d8f0dd6f3b
commit 621217ffeb
11 changed files with 72 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

31
Kernel/Process.cpp
View file

@ -1249,3 +1249,34 @@ int Process::sys$setpgid(pid_t specified_pid, pid_t specified_pgid)
process->m_pgid = new_pgid;
return 0;
}
pid_t Process::sys$tcgetpgrp(int fd)
{
auto* handle = fileHandleIfExists(fd);
if (!handle)
return -EBADF;
if (!handle->isTTY())
return -ENOTTY;
auto& tty = *handle->tty();
if (&tty != m_tty)
return -ENOTTY;
return tty.pgid();
}
int Process::sys$tcsetpgrp(int fd, pid_t pgid)
{
if (pgid < 0)
return -EINVAL;
if (get_sid_from_pgid(pgid) != m_sid)
return -EINVAL;
auto* handle = fileHandleIfExists(fd);
if (!handle)
return -EBADF;
if (!handle->isTTY())
return -ENOTTY;
auto& tty = *handle->tty();
if (&tty != m_tty)
return -ENOTTY;
tty.set_pgid(pgid);
return 0;
}