95692c4a8c
Remove left-over from some logging plan making complete syscalls atomic
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0 is not a system call (thanks to Peter Froehlich)
2012-08-22 20:28:58 -04:00
d10d324e79
Remove sys_init syscall
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Invoke initlog from forkret on first user process
2011-08-22 20:05:15 -04:00
13a96baefc
Dirt simple logging
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Passes usertests and stressfs
Seems to recover correctly in a number of simple cases
2011-07-27 20:35:46 -04:00
789b508d53
uptime() sys call for benchmarking
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increase PHYSTOP
2010-08-11 14:34:45 -04:00
efc12b8e61
Replace yield system call with sleep.
2007-08-27 13:34:35 +00:00
4bcd0f6a77
Add yield system call, for zombie test program (bad idea?).
2007-08-24 20:04:53 +00:00
224f6598c1
refactor syscall code
2006-09-07 14:13:26 +00:00
39593d2f1a
struct fd -> struct file
2006-09-06 18:38:56 +00:00
42d5d65b9a
renumber system calls
2006-09-06 18:19:36 +00:00
2685309fb4
split syscall.c into sysfile.c and sysproc.c
2006-09-06 18:19:11 +00:00
8b58e81077
i/o redirection in sh
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better parsing of sh commands (copied from jos sh)
cat: read from 1 if no args
sbrk system call, but untested
getpid system call
moved locks in keyboard intr, but why do we get intr w. null characters from keyboard?
2006-08-23 01:09:24 +00:00
16083d4462
removed block system call
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renumber system calls (run gmake clean!)
skeleton for dup system call
2006-08-20 03:08:54 +00:00
8787cd01df
chdir
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cd in shell
nits in mkdir, ls, etc.
2006-08-19 23:41:34 +00:00
d15f0d1033
start on mkdir
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stat
2006-08-14 03:00:13 +00:00
9e5970d596
link()
2006-08-13 02:12:44 +00:00
4357207237
fix getblk to actually lock the block
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no more cons_put system calls
usertests tests two processes writing files
2006-08-12 11:38:57 +00:00
1f544842ce
fstat
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primitive ls
2006-08-12 04:33:50 +00:00
28d9ef04dd
printf
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convert userfs to use printf
bfree
ifree
writei
start on unlink
2006-08-10 01:28:57 +00:00
e8d11c2e84
mknod,ialloc,iupdate
2006-08-08 18:07:37 +00:00
32630628a9
open()
2006-07-29 09:35:02 +00:00
c59361f143
primitive exec
2006-07-27 21:10:00 +00:00
f3d290220f
add cons_puts for atomic (readable) output
2006-07-16 15:38:00 +00:00
46bbd72f3e
no more recursive locks
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wakeup1() assumes you hold proc_table_lock
sleep(chan, lock) provides atomic sleep-and-release to wait for condition
ugly code in swtch/scheduler to implement new sleep
fix lots of bugs in pipes, wait, and exit
fix bugs if timer interrupt goes off in schedule()
console locks per line, not per byte
2006-07-15 12:03:57 +00:00
b548df152b
pre-empt both user and kernel, in clock interrupt
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usertest.c tests pre-emption
kill()
2006-07-11 17:39:45 +00:00
7837c71b32
disable all interrupts when acquiring lock
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user program that makes a blocking system call
2006-07-06 21:47:22 +00:00
8b4e2a08fe
swtch saves callee-saved registers
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swtch idles on per-CPU stack, not on calling process's stack
fix pipe bugs
usertest.c tests pipes, fork, exit, close
2006-07-01 21:26:01 +00:00
c41f1de5d4
file descriptors
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pipes
2006-06-27 14:35:53 +00:00
bf3903612d
system call arguments
2006-06-26 15:11:19 +00:00
be0a7eacda
sleep, wakeup, wait, exit
2006-06-15 19:58:01 +00:00
a4c03dea09
primitive fork and exit system calls
2006-06-15 16:02:20 +00:00
Frans Kaashoek
Frans Kaashoek
Robert Morris
rsc
kaashoek
rtm