Module os1::process [−] [src]

A module for process management

Reexports

use core::prelude::v1::*;

use alloc::boxed::Box;

use core::fmt::{Debug, Formatter, Result};

use core::sync::atomic::{AtomicUsize, Ordering};

use fs::ROOT_FS;

use interrupts::{esp0, on, off};

use io::NonBlockingBuffer;

use machine::{self, context_switch};

use memory::AddressSpace;

use static_linked_list::StaticLinkedList;

use self::context::KContext;

use self::idle::IDLE_PROCESS;

use self::proc_table::PROCESS_TABLE;

context	A module for saving a process's context
focus	A module for process focus
idle	A module for the idle process, a process that runs when there is nothing else left to do.
init	A module for the init process
proc_table	A module for the process table, a table mapping each PID to a process struct
ready_queue	A module for the ready queue
reaper	A module for the reaper process, a process which frees the resources of dead processes.
user	A module for user processes

Represents a single process, its identity, resources, etc.

CF	An enum representing change of directory
State	An enum representing the possible states of a process

Size of a kernel stack (number of words)

CURRENT_PROCESS	The current running process if there is one
NEXT_ID	The next available PID

_proc_yield	The unsafe function that does the actual work of choosing the next process and switching to it.
exit	Called by the current process to exit with the given exit code
init	Initialize the process subsystem. This creates the init, idle, and reaper processes, but does not start any of them yet.
proc_yield	A safe wrapper around machine::proc_yield.
start_proc	The entry point of all processes

Type alias for a queue of Processes