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22 commits

Author SHA1 Message Date
Jonas 'Sortie' Termansen
56084556bb Added stubs for truncate(2) and ftruncate(3). 2012-01-14 16:37:21 +01:00
Jonas 'Sortie' Termansen
0519af33ee Added stubs for rmdir(2) and mkdir(2). 2012-01-14 16:25:28 +01:00
Jonas 'Sortie' Termansen
ad200ffa91 Added getpagesize(2) with the new return type size_t.
This function is non-standard  and size_t is better than int here.
2012-01-08 14:58:57 +01:00
Jonas 'Sortie' Termansen
648b324385 Added lseek(2). 2011-12-26 23:12:12 +01:00
Jonas 'Sortie' Termansen
acf1eebc98 Added user-space memory allocation. 2011-12-16 13:24:49 +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
2b032b0414 Initial signal support. Please squash improvements into this commit. 2011-11-23 00:19:09 +01:00
Jonas 'Sortie' Termansen
9f35df813e Implemented errno(3), added support in both kernel and utils. 2011-11-22 17:26:47 +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
23fde42249 Added readdirents(2), which ls(1) now uses, and added dir devices.
The initfs and ramfs are now able to list their contents.
2011-11-21 00:02:53 +01:00
Jonas 'Sortie' Termansen
ae423eaeef Added open(2).
Please note that mount points and file systems do not exist yet.
2011-11-19 00:57:17 +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
024f1581ea Added the wait() and waitpid() system call. 2011-11-07 00:59:48 +01:00
Jonas 'Sortie' Termansen
f9e10ab265 Added an API for user-space to list the initrd, and 'ls' does so now. 2011-11-03 18:26:43 +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
c705bf39ff Ported kernel to new syscall API and started cleaning up the old one. 2011-10-27 00:20:28 +02:00