12 commits

Author	SHA1	Message	Date
Robert Morris	aefa2697d7	usertest for exec() out of memory recovery ... and fix a few exec() bugs	2020-08-19 12:35:14 -04:00
Robert Morris	f3979b7212	make "echo hello > x" truncate file x.	2020-07-16 11:38:08 -04:00
Robert Morris	d940fd122d	don't leak memory if exec() arguments are invalid.	2019-09-21 04:54:25 -04:00
Frans Kaashoek	7e6c37e67e	Support exit status for exit/wait ... One test case for returning a exit status Passes usertests, but haven't used it to simplify tests	2019-09-10 12:30:10 -04:00
Frans Kaashoek	e10f797762	Merge remote-tracking branch 'origin/master' into riscv	2019-08-19 13:35:47 -04:00
Robert Morris	6507da772d	argptr no longer needed, since copyin checks	2019-07-28 06:29:37 -04:00
Robert Morris	a77287e924	no more PAGEBREAK	2019-07-24 13:33:43 -04:00
Frans Kaashoek	1e4d7065d6	Merge branch 'riscv' into riscv-proc	2019-07-02 14:19:31 -04:00
Frans Kaashoek	67702cf706	Checkpoint switching to per-process locks, in attempt clarify xv6's ... locking plan, which is a difficult to understand because ptable lock protects many invariants. This implementation has a bug: once in a while xv6 unlocks a proc lock that is locked by another core.	2019-07-02 09:14:47 -04:00
Robert Morris	18e76a6c47	sbrk() returns a pointer, so it should be 64 bits	2019-07-01 17:01:50 -04:00
Robert Morris	a8305b7318	FD_DEVICE	2019-06-13 10:29:27 -04:00
Robert Morris	5753553213	separate source into kernel/ user/ mkfs/	2019-06-11 09:57:14 -04:00

Renamed from sysfile.c (Browse further)