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Add tcsetpgrp()+tcgetpgrp().

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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
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31
Kernel/Process.cpp
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@@ -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;
}