opsclass/CHANGES.syscalls at master · WebsterXC/opsclass · GitHub

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The system calls solution set (formerly "sol2") was written by Amos
Blackman in 2001, with contributions from David A. Holland. Much of
it was reworked in 2014 by the latter.

------------------------------------------------------------

(Also see CHANGES.locks and CHANGES.)

20150805 dholland	Version 2.0.1 of the system calls solutions released.
20150115 dholland	Version 2.0 of the system calls solutions released.

20140924 dholland	Version 1.99.08 of the system calls solutions released.
20140919 dholland	Move uio_uinit to uio.c where it really belongs.
20140916 dholland	Don't allocate char[PATH_MAX] on the kernel stack.
20140822 dholland	Don't lock/use unseekable objects' offsets during I/O.
20140822 dholland	Use separate locks for openfile offset and refcount.
20140822 dholland	Updated the file syscall design notes.
20140822 dholland	Tidied the file syscalls.
20140822 dholland	Updated the filetable design notes.
20140822 dholland	Rework the filetable abstraction completely.
20140822 dholland	Rework the openfile abstraction completely.
20140822 dholland	Don't include syscall-level code in the file tables.
20140822 dholland	Split file.h -> openfile.h and filetable.h.

20140123 dholland	Version 1.99.07 of the system calls solutions released.
20130531 dholland	Adjust to base system addition of struct proc.
20100108 dholland	Split out design notes for file syscalls.
20100108 dholland	Split out design notes for filetables.
20100106 dholland	Split solution code into filetables, filesyscalls,
			procsyscalls, exec, and scheduling patches.

20090414 dholland	sol2-1.99.04 released.
20090402 dholland	sol2-1.99.03 released.
20090219 dholland	sol2-1.99.02 released.
20090219 dholland	Update design notes.
20090213 dholland	Merge the 1.x sol2 code into OS/161 2.x.


------------------------------------------------------------

20050913 dholland	sol2-1.11 released.

20040203 dholland	sol2-1.10 released.

20031227 dholland	sol2-1.09 released.
20030626 dholland	Minor include fixes.
20030612 dholland	Fix up some obsolete comments.

20030310 dholland	sol2-1.08 released. (1.07 skipped.)
20030309 dholland	Fix read and write syscalls to check O_RDONLY et al.
20030129 dholland	Add prefix to struct filetable members for consistency.
20030129 dholland	Add prefix to struct openfile members for consistency.

20030117 dholland	sol2-1.06 released.
20030117 dholland	Make initial bootup message say "solution set 2".

20020917 dholland	sol2-1.05 released.
20020916 dholland	Created this changelog from CVS log data.
20020328 dholland	Fix missing lock_release calls on error.

20020309 dholland	sol2-1.04 released.
20020309 dholland	Design docs for sol2.
20020307 dholland	Various fixes.
20010618 dholland	Various fixes and cleanup.
20010528 blackman	Bug fix.

20010320 blackman	sol2-2001 released.
20010320 blackman	More bug fixes.

20010315 blackman	sol2-2001-buggy released.
20010315 blackman	Bug fixes.
20010314 blackman	Cleanup and commenting.
20010313 blackman	New sol2 code, including parts of the original code.
20010312 blackman	Back out the previous sol2 code.
20010224 dholland	Bug fixes.
20010215 dholland	Initial sol2 code.