Commit Graph

18 Commits

Author SHA1 Message Date
Jonas 'Sortie' Termansen acf1eebc98 Added user-space memory allocation. 2011-12-16 13:24:49 +01:00
Jonas 'Sortie' Termansen 854d9b171a uptime(2) now reports usecs instead of msecs. 2011-12-04 21:27:21 +01:00
Jonas 'Sortie' Termansen 635a49644a Made usleep(2) a sortix extension. 2011-12-04 15:24:55 +01:00
Jonas 'Sortie' Termansen 7623ff8092 unistd.h now uses the __useconds_t from sortix/bits.h. 2011-12-04 15:11:39 +01:00
Jonas 'Sortie' Termansen b0859c6d92 usleep'ing for 0 usecs simply causes a context-switch. 2011-12-02 22:37:17 +01:00
Jonas 'Sortie' Termansen 8c146f14c0 Added uptime(1). 2011-11-28 16:29:53 +01:00
Jonas 'Sortie' Termansen bd1b1fe3bc Added isatty(2), which is used by editor. 2011-11-26 21:00:40 +01:00
Jonas 'Sortie' Termansen 9152443816 Added memstat, a program for displaying memory usage. 2011-11-26 20:14:57 +01:00
Jonas 'Sortie' Termansen 4890c306c4 printf(3) now writes to fd 1. 2011-11-24 10:26:36 +01:00
Jonas 'Sortie' Termansen 8b2b52b9f6 Added unlink(2) and rm(1). 2011-11-21 19:01:56 +01:00
Jonas 'Sortie' Termansen d4590cefa1 Added chdir(2), getcwd(2), which mxsh and ls now uses. 2011-11-21 12:19:57 +01:00
Jonas 'Sortie' Termansen dd349a150a Merge branch 'master' of gitorious.org:sortix/sortix
Conflicts:
	libmaxsi/c/hsrc/unistd.h
	libmaxsi/io.cpp
	sortix/io.cpp
	sortix/syscallnum.h
2011-11-17 22:28:20 +01:00
Jonas 'Sortie' Termansen 05196f49b2 Added dup(2). 2011-11-17 20:34:04 +01:00
Jonas 'Sortie' Termansen e8cd27c353 Added close(2) and fixed bugs in pipe(2) and others. 2011-11-17 10:22:43 +01:00
Jonas 'Sortie' Termansen a7de7b4905 Added pipe(2), write(2), and read(2). 2011-11-16 21:21:38 +01:00
Jonas 'Sortie' Termansen cfd7648ca9 Added the _exit() system call.
exit() will not call _exit() yet, we need support for wait() in the shell.
2011-11-05 20:19:36 +01:00
Jonas 'Sortie' Termansen 2afe9d1fd6 Implemented the fork() system call and what it needed to work properly.
This commit got completely out of control.

Added the fork(), getpid(), getppid(), sleep(), usleep() system calls, and
aliases in the Maxsi:: namespace.

Fixed a bug where zero-byte allocation would fail.

Worked on the DescriptorTable class which now works and can fork.

Got rid of some massive print-registers statements and replaced them with
the portable InterruptRegisters::LogRegisters() function.

Removed the SysExecuteOld function and replaced it with Process::Execute().

Rewrote the boot sequence in kernel.cpp such that it now loads the system
idle process 'idle' as PID 0, and the initization process 'init' as PID 1.

Rewrote the SIGINT hack.

Processes now maintain a family-tree structure and keep track of their
threads. PIDs are now allocated using a simple hack. Virtual memory
per-process can now be allocated using a simple hack. Processes can now be
forked. Fixed the Process::Execute function such that it now resets the
stack pointer to where the stack actually is - not just a magic value.
Removed the old and ugly Process::_endcodesection hack.

Rewrote the scheduler into a much cleaner and faster version. Debug code is
now moved to designated functions. The noop kernel-thread has been replaced
by a simple user-space infinite-loop program 'idle'.

The Thread class has been seperated from the Scheduler except in Scheduler-
related code. Thread::{Save,Load}Registers has been improved and has been
moved to $(CPU)/thread.cpp. Threads can now be forked. A new CreateThread
function creates threads properly and portably.

Added a MicrosecondsSinceBoot() function.

Fixed a crucial bug in MemoryManagement::Fork().

Added an 'idle' user-space program that is a noop infinite loop, which is
used by the scheduler when there is nothing to do.

Rewrote the 'init' program such that it now forks off a shell, instead of
becoming the shell.

Added the $$ (current PID) and $PPID (parent PPID) variables to the shell.
2011-11-01 01:00:20 +01:00
Jonas 'Sortie' Termansen 9b79673dcb Initial version of Sortix. 2011-08-05 14:25:00 +02:00