Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Barebones implementation sessions and process groups

Browse Source
This commit is contained in:
Bananymous
2023-08-22 11:35:40 +03:00
parent 642929f071
commit 0f6c19a1b7
5 changed files with 140 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
kernel/include/kernel/Process.h
View File

@@ -1,5 +1,6 @@
#pragma once
#include <BAN/Iteration.h>
#include <BAN/String.h>
#include <BAN/StringView.h>
#include <BAN/Vector.h>
@@ -45,11 +46,17 @@ namespace Kernel
void exit(int status, int signal);
static void for_each_process(const BAN::Function<BAN::Iteration(Process&)>& callback);
void add_thread(Thread*);
void on_thread_exit(Thread&);
pid_t sid() const { return m_sid; }
pid_t pgrp() const { return m_pgrp; }
pid_t pid() const { return m_pid; }
bool is_session_leader() const { return pid() == sid(); }
BAN::ErrorOr<long> sys_exit(int status);
BAN::ErrorOr<long> sys_gettermios(::termios*);
@@ -111,7 +118,7 @@ namespace Kernel
BAN::ErrorOr<long> sys_clock_gettime(clockid_t, timespec*) const;
TTY& tty() { ASSERT(m_tty); return *m_tty; }
TTY& tty() { ASSERT(m_controlling_terminal); return *m_controlling_terminal; }
static Process& current() { return Thread::current().process(); }
@@ -121,8 +128,8 @@ namespace Kernel
const userspace_info_t& userspace_info() const { return m_userspace_info; }
private:
Process(const Credentials&, pid_t);
static Process* create_process(const Credentials&);
Process(const Credentials&, pid_t pid, pid_t parent, pid_t sid, pid_t pgrp);
static Process* create_process(const Credentials&, pid_t parent, pid_t sid = 0, pid_t pgrp = 0);
static void register_process(Process*);
// Load an elf file to virtual address space of the current page table
@@ -150,9 +157,13 @@ namespace Kernel
BAN::Vector<BAN::UniqPtr<VirtualRange>> m_mapped_ranges;
pid_t m_sid;
pid_t m_pgrp;
const pid_t m_pid;
const pid_t m_parent;
mutable RecursiveSpinLock m_lock;
const pid_t m_pid = 0;
BAN::String m_working_directory;
BAN::Vector<Thread*> m_threads;
@@ -167,7 +178,7 @@ namespace Kernel
ExitStatus m_exit_status;
BAN::UniqPtr<PageTable> m_page_table;
BAN::RefPtr<TTY> m_tty;
BAN::RefPtr<TTY> m_controlling_terminal;
friend class Thread;
};

6
kernel/include/kernel/Terminal/TTY.h
View File

@@ -23,8 +23,8 @@ namespace Kernel
uint32_t height() const { return m_height; }
uint32_t width() const { return m_width; }
void set_foreground_process(pid_t pgid) { m_foreground_process = pgid; }
pid_t foreground_process() const { return m_foreground_process; }
void set_foreground_pgrp(pid_t pgrp) { m_foreground_pgrp = pgrp; }
pid_t foreground_pgrp() const { return m_foreground_pgrp; }
// for kprint
static void putchar_current(uint8_t ch);
@@ -97,7 +97,7 @@ namespace Kernel
TerminalDriver::Color m_foreground { TerminalColor::BRIGHT_WHITE };
TerminalDriver::Color m_background { TerminalColor::BLACK };
pid_t m_foreground_process { 0 };
pid_t m_foreground_pgrp { 0 };
termios m_termios;