Russ Cox
72157c300b
runtime: fix bad status throw
...
when garbage collector sees recovering goroutine
Fixes #711 .
R=r
CC=golang-dev
https://golang.org/cl/869045
2010-04-08 13:24:53 -07:00
Russ Cox
88ce9ce40c
runtime: two proc bug fixes
...
1. Fix bug in GOMAXPROCS when trying to cut number of procs
Race could happen on any system but was
manifesting only on Xen hosted Linux.
2. Fix recover on ARM, where FP != caller SP.
R=r
CC=golang-dev
https://golang.org/cl/880043
2010-04-06 13:48:31 -07:00
Russ Cox
6c196015e0
runtime: various arm fixes
...
* correct symbol table size
* do not reorder functions in output
* traceback
* signal handling
* use same code for go + defer
* handle leaf functions in symbol table
R=kaib, dpx
CC=golang-dev
https://golang.org/cl/884041
2010-04-05 12:51:09 -07:00
Russ Cox
63e878a750
runtime: make type assertion a runtime.Error, the first of many
...
R=r
CC=golang-dev
https://golang.org/cl/805043
2010-03-31 15:55:10 -07:00
Russ Cox
9b1507b050
gc: implement panic and recover
...
R=ken2, r, ken3
CC=golang-dev
https://golang.org/cl/831042
2010-03-31 11:46:01 -07:00
Russ Cox
83727ccf7c
runtime: run deferred calls at Goexit
...
baby step toward panic+recover.
Fixes #349 .
R=r
CC=golang-dev
https://golang.org/cl/825043
2010-03-29 21:48:22 -07:00
Russ Cox
4e28cfe970
runtime: run all finalizers in a single goroutine.
...
eliminate second pass of mark+sweep
by scanning finalizer table specially.
R=r
CC=golang-dev
https://golang.org/cl/782041
2010-03-26 14:15:30 -07:00
Russ Cox
6eb251f244
runtime: malloc sampling, pprof interface
...
R=r
CC=golang-dev
https://golang.org/cl/719041
2010-03-24 09:40:09 -07:00
Russ Cox
36c5c5bf40
cc: disallow ... argument unless NOSPLIT is set.
...
check that NOSPLIT functions don't use too much stack.
correct some missing NOSPLITs in the runtime library.
Fixes bug reported in
https://groups.google.com/group/golang-nuts/t/efff68b73941eccf
R=ken2
CC=golang-dev
https://golang.org/cl/236041
2010-03-04 15:34:25 -08:00
Russ Cox
f25586a306
runtime: garbage collection + malloc performance
...
* add bit tracking finalizer status, avoiding getfinalizer lookup
* add ability to allocate uncleared memory
R=iant
CC=golang-dev
https://golang.org/cl/207044
2010-02-10 00:00:12 -08:00
Russ Cox
62d627f0bc
runtime: allow arbitrary return type in SetFinalizer.
...
finalize chan, to free OS X semaphore inside Lock.
os: finalize File, to close fd.
Fixes #503 .
R=ken2
CC=golang-dev
https://golang.org/cl/204065
2010-02-08 21:41:54 -08:00
Russ Cox
718be3215f
in C and asm, replace pkg·name with ·name
...
(eliminate assumption of package global name space,
make code easier to move between packages).
R=r
CC=golang-dev
https://golang.org/cl/194072
2010-01-25 18:52:55 -08:00
Russ Cox
711088106e
runtime: fix bug in preemption checks; was causing "lock count" panics
...
R=r
CC=golang-dev
https://golang.org/cl/186078
2010-01-12 10:03:02 -08:00
Russ Cox
5328df6534
runtime: check for preemption due to garbage collection
...
in various already expensive routines.
helps keep cpu utilization up when GOMAXPROCS > 1,
but not a full solution.
http://groups.google.com/group/golang-nuts/t/7a9535c4136d3e2
R=r
CC=golang-dev
https://golang.org/cl/184043
2010-01-09 09:47:45 -08:00
Russ Cox
74a9fc18f6
runtime: close TODO now that 8c bug is fixed
...
R=r
CC=golang-dev
https://golang.org/cl/183138
2010-01-06 19:24:11 -08:00
Hector Chu
6bfe5f55f4
Ported runtime to Windows.
...
R=rsc
CC=golang-dev
https://golang.org/cl/176066
2010-01-06 17:58:55 -08:00
David Symonds
b5866494ea
os/signal: new package
...
Fixes #71 .
R=rsc, r
https://golang.org/cl/162056
2009-12-15 18:21:29 -08:00
Russ Cox
19c18358ca
runtime: in exitsyscall, avoid confusing garbage collector
...
R=r
CC=golang-dev
https://golang.org/cl/178046
2009-12-14 19:06:20 -08:00
Russ Cox
0d3301a557
runtime: don't touch pages of memory unnecessarily.
...
cuts working size for hello world from 6 MB to 1.2 MB.
still some work to be done, but diminishing returns.
R=r
https://golang.org/cl/165080
2009-12-07 15:52:14 -08:00
Devon H. O'Dell
60b1a17b9e
More FreeBSD-touchups. Thundercats are GOOOOO!
...
R=rsc
CC=golang-dev
https://golang.org/cl/157074
2009-11-18 16:51:59 -08:00
Russ Cox
41554e2528
runtime: two trivial but important bug fixes
...
R=r
https://golang.org/cl/156059
2009-11-17 22:00:30 -08:00
Russ Cox
4dfd7fdde5
runtime: do not create new threads during malloc.
...
the signal handling stack is a different size than
the normal stack, so it cannot be allocated using
the backup stack allocator.
Fixes #250 .
R=agl1
CC=golang-dev
https://golang.org/cl/157044
2009-11-17 14:42:08 -08:00
Russ Cox
fe1e49241c
update old comment: things are much better now
...
R=r
https://golang.org/cl/152057
2009-11-10 19:59:22 -08:00
Russ Cox
22a5c78f44
rename sys functions to runtime,
...
because they are in package runtime.
another step to enforcing package boundaries.
R=r
DELTA=732 (114 added, 93 deleted, 525 changed)
OCL=35811
CL=35824
2009-10-15 23:10:49 -07:00
Russ Cox
add89dd1ba
stack overflow debugging and fix.
...
* in 6l, -K already meant check for stack underflow.
add -KK to mean double-check stack overflows
even in nosplit functions.
* comment out print locks; they deadlock too easily
but are still useful to put back for special occasions.
* let runcgo assembly switch to scheduler stack
without involving scheduler directly. because runcgo
gets called from matchmg, it is too hard to keep it
from being called on other stacks.
R=r
DELTA=94 (65 added, 18 deleted, 11 changed)
OCL=35591
CL=35604
2009-10-12 10:26:38 -07:00
Russ Cox
93689d863c
keep a list of all the M's,
...
so that the garbage collector doesn't free them.
R=ken
OCL=35538
CL=35538
2009-10-09 15:35:33 -07:00
Russ Cox
133a158bd8
8c, 8l dynamic loading support.
...
better mach binaries.
cgo working on darwin+linux amd64+386.
eliminated context switches - pi is 30x faster.
add libcgo to build.
on snow leopard:
- non-cgo binaries work; all tests pass.
- cgo binaries work on amd64 but not 386.
R=r
DELTA=2031 (1316 added, 626 deleted, 89 changed)
OCL=35264
CL=35304
2009-10-03 10:37:12 -07:00
Austin Clements
ad9c6f7700
Rudimentary command shell for Ogle. Hack to prevent linker
...
from inlining newprocreadylocked. Fix type bridge's handling
of basic types. Include interpreter's Thread in bridged
native function calls.
; load . "6.out"
Started 6.out
; BpSet("main·merge")
; ContWait()
breakpoint at 0x400800
=> 400800 main·merge /home/austin/src-go1/usr/austin/ptrace/test/sort.go:19
; bt
=> 400800 main·merge /home/austin/src-go1/usr/austin/ptrace/test/sort.go:19
400b6a main·mergeSort+0x1be /home/austin/src-go1/usr/austin/ptrace/test/sort.go:34
448313 goexit /home/austin/src-go1/src/pkg/runtime/proc.c:133
; main.merge.a
{1}
; load . "pid:25753"
Attached to 25753
; bt
=> 479ddf syscall·Syscall+0x24 /home/austin/src-go1/src/pkg/syscall/asm_linux_amd64.s:24
47c011 syscall·Read+0x5d /home/austin/src-go1/src/pkg/syscall/zsyscall_linux_amd64.go:368
4119e5 os·*File·Read+0x5f /home/austin/src-go1/src/pkg/os/file.go:122
427bf3 bufio·*Reader·fill+0x116 /home/austin/src-go1/src/pkg/bufio/bufio.go:105
428361 bufio·*Reader·ReadSlice+0x195 /home/austin/src-go1/src/pkg/bufio/bufio.go:244
40204a ogle·Main+0x94 /home/austin/src-go1/usr/austin/ogle/cmd.go:226
40080f main·main+0xf /home/austin/src-go1/usr/austin/ogle/main.go:6
41c4b8 mainstart+0xf /home/austin/src-go1/src/pkg/runtime/amd64/asm.s:55
41531f goexit /home/austin/src-go1/src/pkg/runtime/proc.c:133
R=rsc
APPROVED=rsc
DELTA=433 (420 added, 2 deleted, 11 changed)
OCL=34410
CL=34782
2009-09-18 09:11:19 -07:00
Russ Cox
fe8ff955e9
add newprocreadylocked for debugger
...
R=austin
DELTA=10 (9 added, 0 deleted, 1 changed)
OCL=34163
CL=34166
2009-08-31 18:10:11 -07:00
Russ Cox
2aea4a063b
recycle G structs
...
R=r
DELTA=1 (1 added, 0 deleted, 0 changed)
OCL=33887
CL=33904
2009-08-26 15:26:09 -07:00
Rob Pike
7955490de2
add runtime.GOMAXPROCS, allowing a program to, in effect, set $GOMAXPROCS
...
R=rsc
DELTA=29 (28 added, 1 deleted, 0 changed)
OCL=32829
CL=32837
2009-08-06 13:07:05 -07:00
Russ Cox
052a66babd
runtime: fix init scheduling bug.
...
if there is a goroutine waiting to run
and the init goroutine enters a system call,
entersyscall was trying to kick off a new
scheduler for the other goroutine, causing
a panic (new goroutines can't run until main.main).
R=r
DELTA=32 (32 added, 0 deleted, 0 changed)
OCL=31982
CL=31982
2009-07-21 19:43:27 -07:00
Russ Cox
218c393029
add LockOSThread and UnlockOSThread to
...
runtime package for use by debugger,
which needs to make sure that all ptrace calls
about a given pid come from the same thread.
R=r
DELTA=175 (90 added, 63 deleted, 22 changed)
OCL=31546
CL=31558
2009-07-13 17:28:39 -07:00
Russ Cox
bba278a43b
reflection for functions
...
add channel send type check (thanks austin).
fix type mismatch message.
R=r
DELTA=241 (225 added, 5 deleted, 11 changed)
OCL=31370
CL=31375
2009-07-08 18:16:09 -07:00
Russ Cox
7343e03c43
runtime: stack growth adjustments, cleanup
...
* keep coherent SP/PC in gobuf
(i.e., SP that would be in use at that PC)
* gogocall replaces setspgoto,
should work better in presence of link registers
* delete unused system calls
only amd64; 386 is now broken
R=r
DELTA=548 (183 added, 183 deleted, 182 changed)
OCL=30381
CL=30442
2009-06-17 15:12:16 -07:00
Russ Cox
36835c7a47
fix garbage collection race: save stack trace
...
when changing process state to Gsyscall, not after.
R=r
DELTA=8 (4 added, 3 deleted, 1 changed)
OCL=30320
CL=30325
2009-06-15 21:30:53 -07:00
Rob Pike
d90e7cbac6
mv src/lib to src/pkg
...
tests: all.bash passes, gobuild still works, godoc still works.
R=rsc
OCL=30096
CL=30102
2009-06-09 09:53:44 -07:00