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50 Commits

Author SHA1 Message Date
Russ Cox 3935610e35 chans and maps of interfaces 
R=r
DELTA=746  (729 added, 1 deleted, 16 changed)
OCL=20858
CL=20858
 2008-12-09 16:16:07 -08:00
Russ Cox 3f8aa662e9 add support for ref counts to memory allocator. 
mark and sweep, stop the world garbage collector
(intermediate step in the way to ref counting).
can run pretty with an explicit gc after each file.

R=r
DELTA=502  (346 added, 143 deleted, 13 changed)
OCL=20630
CL=20635
 2008-12-05 15:24:18 -08:00
Russ Cox 79e1db2da1 add stub routines stackalloc() and stackfree(). 
run oldstack on g0's stack, just like newstack does,
so that oldstack can free the old stack.

R=r
DELTA=53  (44 added, 0 deleted, 9 changed)
OCL=20404
CL=20433
 2008-12-04 08:30:54 -08:00
Russ Cox dfa5893d4f preparation for exec. 
* syscall:
	add syscall.RawSyscall, which doesn't use sys.entersyscall/sys.exitsyscall
	add syscall.dup2
	add syscall.BytePtrPtr
	add syscall.Rusage, RusagePtr
	add syscall.F_GETFD, F_SETFD, FD_CLOEXEC

* runtime:
	clean up, correct signal handling.
	can now survive (continue running after) a signal.

R=r
DELTA=394  (286 added, 51 deleted, 57 changed)
OCL=20351
CL=20369
 2008-12-03 14:21:28 -08:00
Russ Cox efc86a74e4 change meaning of $GOMAXPROCS to number of cpus to use, 
not number of threads.  can still starve all the other threads,
but only by looping, not by waiting in a system call.

fix darwin syscall.Syscall6 bug.

fix chanclient bug.

delete $GOMAXPROCS from network tests.

add stripped down printf, sys.printhex to runtime.

R=r
DELTA=355  (217 added, 36 deleted, 102 changed)
OCL=20017
CL=20019
 2008-11-25 16:48:10 -08:00
Russ Cox a5433369aa use pc/ln table to print source lines in traceback 
r45=; 6.out
oops
panic PC=0x400316
0x400316?zi /home/rsc/go/src/runtime/rt0_amd64_linux.s:83
	main·g(4195177, 0, 4205661, ...)
	main·g(0x400369, 0x402c5d, 0x403e49, ...)
0x40034c?zi /home/rsc/go/src/runtime/x.go:24
	main·f(4205661, 0, 4210249, ...)
	main·f(0x402c5d, 0x403e49, 0x1, ...)
0x400368?zi /home/rsc/go/src/runtime/x.go:37
	main·main(4210249, 0, 1, ...)
	main·main(0x403e49, 0x1, 0x7fff9d894bd8, ...)
0x402c5c?zi /home/rsc/go/src/runtime/rt0_amd64.s:70
	mainstart(1, 0, 2643020760, ...)
	mainstart(0x1, 0x7fff9d894bd8, 0x0, ...)
r45=;

R=r
DELTA=251  (198 added, 25 deleted, 28 changed)
OCL=19965
CL=19979
 2008-11-25 09:23:36 -08:00
Russ Cox 3aa063d79c delete stack mark strings 
in favor of using in-memory copy of symbol table.

$ ls -l pretty pretty.big
-rwxr-xr-x  1 rsc  eng  439516 Nov 21 16:43 pretty
-rwxr-xr-x  1 rsc  eng  580984 Nov 21 16:20 pretty.big
$

R=r
DELTA=446  (238 added, 178 deleted, 30 changed)
OCL=19851
CL=19884
 2008-11-23 17:08:55 -08:00
Russ Cox 75647d2024 First pieces of malloc. 
R=r
DELTA=756  (754 added, 0 deleted, 2 changed)
OCL=19266
CL=19378
 2008-11-17 12:32:35 -08:00
Ken Thompson bc0b4f0d2a mike's map code 
R=r
OCL=19146
CL=19146
 2008-11-13 10:35:44 -08:00
Russ Cox e8766354a4 handle Inf, NaN in float print 
R=r
DELTA=48  (23 added, 14 deleted, 11 changed)
OCL=18707
CL=18922
 2008-11-10 14:54:10 -08:00
Ken Thompson 79fbbe37a7 select default 
R=r
OCL=18646
CL=18646
 2008-11-05 21:50:28 -08:00
Rob Pike 7ee60b174d sys.stringtorune doesn't need a length parameter. 
R=rsc
DELTA=7  (0 added, 0 deleted, 7 changed)
OCL=16600
CL=16630
 2008-10-07 10:03:34 -07:00
Russ Cox 72154b042f go/acid/go 
R=r
DELTA=99  (95 added, 1 deleted, 3 changed)
OCL=15983
CL=15992
 2008-09-26 14:10:26 -07:00
Russ Cox a61bb95497 get rid of per-G Note, avoids per-G kernel semaphore on Mac. 
2.14u 19.82s 22.17r 	 6.out 100000	# old
1.87u 0.43s 2.31r 	 6.out 100000	# new

R=r
OCL=15762
CL=15772
 2008-09-24 14:13:07 -07:00
Russ Cox 5ff12f871f only use mach kernel semaphores for actual contention. 
running rob's powser p.go:

3.21u 2.58s 5.80r 	 6.out	# old
1.48u 0.05s 1.54r 	 6.out	# new

R=r
OCL=15748
CL=15750
 2008-09-24 10:25:28 -07:00
Russ Cox fb40f88c40 test cleanup 
- do not print tracebacks if $GOTRACEBACK=0
	- set GOTRACEBACK=0 during tests
	- filter out pc numbers in errors

R=r
DELTA=70  (22 added, 30 deleted, 18 changed)
OCL=15618
CL=15642
 2008-09-22 13:47:53 -07:00
Ken Thompson 8231e94520 now method/interface code 
R=r
OCL=15627
CL=15627
 2008-09-22 12:16:19 -07:00
Russ Cox a67258f380 proper handling of signals. 
do not run init on g0.

R=r
DELTA=161  (124 added, 23 deleted, 14 changed)
OCL=15490
CL=15497
 2008-09-18 15:56:46 -07:00
Rob Pike ab9f27b227 fix up linux trap handling - INTB 5 gives SEGV 
R=rsc
OCL=15244
CL=15244
 2008-09-12 12:35:06 -07:00
Rob Pike e9047d1fc2 fix silly portability bug 
R=gri
OCL=15238
CL=15238
 2008-09-12 12:17:13 -07:00
Rob Pike 6e8dbc2051 - catch trace traps 
- disassemble the instructions in a trace trap to see if it's a run-time trap
- if so, print relevant info
- avoid double-printing traceback on panic

R=ken,rsc
DELTA=66  (50 added, 7 deleted, 9 changed)
OCL=15199
CL=15224
 2008-09-12 09:44:41 -07:00
Russ Cox 376898ca8b go threads for OS X 
R=r
OCL=14944
CL=15013
 2008-09-09 11:50:14 -07:00
Ken Thompson 66a603c986 arrays 
R=r
OCL=14603
CL=14603
 2008-08-27 17:28:30 -07:00
Russ Cox f7f6329e26 kill trailing white space. 
(apparently my first attempt didn't work.)

R=r
OCL=13888
CL=13888
 2008-08-05 14:21:42 -07:00
Russ Cox 96824000ed * comment, clean up scheduler 
* rewrite lock implementation to be correct
  (tip: never assume that an algorithm you found
  in a linux man page is correct.)
* delete unneeded void* arg from clone fn
* replace Rendez with Note
* comment mal better
* use 6c -w, fix warnings
* mark all assembly functions 7

R=r
DELTA=828  (338 added, 221 deleted, 269 changed)
OCL=13884
CL=13886
 2008-08-05 14:18:47 -07:00
Russ Cox d28acc42ec first cut at multithreading. works on Linux. 
* kick off new os procs (machs) as needed
* add sys·sleep for testing
* add Lock, Rendez
* properly lock mal, sys·newproc, scheduler
* linux syscall arg #4 is in R10, not CX
* chans are not multithread-safe yet
* multithreading disabled by default;
  set $gomaxprocs=2 (or 1000) to turn it on

This should build on OS X but may not.
Rob and I will fix soon after submitting.

TBR=r
OCL=13784
CL=13842
 2008-08-04 16:43:49 -07:00
Rob Pike 3835e01d97 print tracebacks for all goroutines, not just the crashing one 
R=ken
OCL=13518
CL=13518
 2008-07-28 11:29:41 -07:00
Ken Thompson e963cba8a1 select 
R=r
APPROVED=r
DELTA=147  (94 added, 14 deleted, 39 changed)
OCL=13477
CL=13477
 2008-07-25 15:55:12 -07:00
Ken Thompson cb9b1038db select 
R=r
APPROVED=r
DELTA=638  (433 added, 21 deleted, 184 changed)
OCL=13426
CL=13438
 2008-07-24 15:57:30 -07:00
Ken Thompson b78676a49d start of select 
random bugs fixed

SVN=128149
 2008-07-20 20:13:07 -07:00
Ken Thompson e7d549fbd7 new (more fifo) schedulint algorithm 
newproc will reuse dead procs

SVN=127565
 2008-07-16 13:50:23 -07:00
Rob Pike c870ac239e add sys.writefile; support for darwin only in this CL 
SVN=127153
 2008-07-14 20:54:55 -07:00
Ken Thompson 526200345c synch chan 
SVN=127055
 2008-07-14 14:33:39 -07:00
Ken Thompson 594175d0b5 chan 
SVN=126958
 2008-07-13 14:29:46 -07:00
Rob Pike 2da9783e2b preserve AX across stack jump so C routines return correct value when triggering morestack. 
SVN=126935
 2008-07-12 11:30:53 -07:00
Ken Thompson 751ce3a77a segmented stacks AND goroutines 
SVN=126929
 2008-07-11 19:16:39 -07:00
Ken Thompson 7b454bb1d9 defined external registers g and m 
SVN=126521
 2008-07-09 11:35:26 -07:00
Ken Thompson 4528854308 unique import/export names 
more on go statement

SVN=126421
 2008-07-08 17:19:17 -07:00
Rob Pike 6db99de606 add bytestorune and stringtorune to sys. 
SVN=126321
 2008-07-08 10:36:43 -07:00
Rob Pike 5b904a3bde update to Unicode 5 
SVN=126184
 2008-07-07 14:07:46 -07:00
Rob Pike d3204ef19f makes stack traces work for segmented stacks 
SVN=125371
 2008-06-30 14:39:47 -07:00
Rob Pike 8e82a673db Break runtime.c into separate pieces for maps, strings, print, etc. 
Share common assembler for amd64 runtime

SVN=125317
 2008-06-30 11:50:36 -07:00
Rob Pike 3e4e83ab1e add sys.readfile() 
add args to linux runtime

SVN=124961
 2008-06-26 14:09:26 -07:00
Ken Thompson 7d11924c13 middle dot as alpha package separator 
SVN=124419
 2008-06-24 17:16:06 -07:00
Ken Thompson 87dae02a63 string nil same as string "" 
SVN=124381
 2008-06-24 14:11:20 -07:00
Rob Pike aeb43984ec add signal handling and traceback support therein. 
factor the runtime into architecture-dependent and -independent pieces.
ditto for the OS dependence.

SVN=124020
 2008-06-21 15:36:23 -07:00
Ken Thompson 4e8142c929 maps 
SVN=123089
 2008-06-16 22:34:50 -07:00
Rob Pike 88a3371a91 print pc on faults 
SVN=123030
 2008-06-16 17:04:30 -07:00
Ken Thompson e1a06ccc80 now checks for lvalue/rvalue context of 
expressions.
start of generics for calling builtin
     functions
start of map type
'any' demoted from reserved word to type

SVN=122808
 2008-06-15 20:24:30 -07:00
Ken Thompson bbb2073223 goos garch 
SVN=121367
 2008-06-05 19:38:39 -07:00