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Kernel/LibC: Implement tcgetpgrp

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Bananymous
2024-12-02 03:59:23 +02:00
parent 6346e288ad
commit 6ed1435aeb
4 changed files with 25 additions and 0 deletions
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1
kernel/include/kernel/Process.h
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@@ -179,6 +179,7 @@ namespace Kernel
BAN::ErrorOr<long> sys_sigpending(sigset_t* set);
BAN::ErrorOr<long> sys_sigprocmask(int how, const sigset_t* set, sigset_t* oset);
BAN::ErrorOr<long> sys_tcgetpgrp(int fd);
BAN::ErrorOr<long> sys_tcsetpgrp(int fd, pid_t pgid);
BAN::ErrorOr<long> sys_termid(char*);

18
kernel/kernel/Process.cpp
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@@ -2012,6 +2012,24 @@ namespace Kernel
return 0;
}
BAN::ErrorOr<long> Process::sys_tcgetpgrp(int fd)
{
LockGuard _(m_process_lock);
if (!m_controlling_terminal)
return BAN::Error::from_errno(ENOTTY);
auto inode = TRY(m_open_file_descriptors.inode_of(fd));
if (!inode->is_tty())
return BAN::Error::from_errno(ENOTTY);
auto* tty = static_cast<TTY*>(inode.ptr());
if (tty != m_controlling_terminal.ptr())
return BAN::Error::from_errno(ENOTTY);
return tty->foreground_pgrp();
}
BAN::ErrorOr<long> Process::sys_tcsetpgrp(int fd, pid_t pgrp)
{
LockGuard _(m_process_lock);