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修复tcsetpgrp函数设置进程组不正确的问题 (#950)

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MemoryShore 2024-09-30 21:19:31 +08:00 committed by GitHub
parent 047dbfd44b
commit 103f13024b
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1 changed files with 11 additions and 8 deletions
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19
kernel/src/driver/tty/tty_job_control.rs
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@ -5,7 +5,10 @@ use crate::{
arch::ipc::signal::{SigSet, Signal},
mm::VirtAddr,
process::{Pid, ProcessManager},
syscall::{user_access::UserBufferWriter, Syscall},
syscall::{
user_access::{UserBufferReader, UserBufferWriter},
Syscall,
},
};
use super::tty_core::{TtyCore, TtyIoctlCmd};
@ -81,13 +84,13 @@ impl TtyJobCtrlManager {
}
};
// let user_reader = UserBufferReader::new(
// VirtAddr::new(arg).as_ptr::<usize>(),
// core::mem::size_of::<usize>(),
// true,
// )?;
let user_reader = UserBufferReader::new(
VirtAddr::new(arg).as_ptr::<i32>(),
core::mem::size_of::<i32>(),
true,
)?;
// let pgrp = user_reader.read_one_from_user::<usize>(0)?;
let pgrp = user_reader.read_one_from_user::<i32>(0)?;
let current = ProcessManager::current_pcb();
@ -101,7 +104,7 @@ impl TtyJobCtrlManager {
return Err(SystemError::ENOTTY);
}
ctrl.pgid = Some(Pid::new(arg));
ctrl.pgid = Some(Pid::new(*pgrp as usize));
return Ok(0);
}