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author | Russ Cox <rsc@golang.org> | 2014-11-15 08:00:38 -0500 |
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committer | Russ Cox <rsc@golang.org> | 2014-11-15 08:00:38 -0500 |
commit | 8b46a22b652d6e7a4a69b9523d57aff12f9dc945 (patch) | |
tree | 8f1c3f2d7e06daa3a9ad5721658a31b63519d748 /src/runtime/mem_solaris.c | |
parent | 66fbfa707147ff58e13beed2d4a957a06bede869 (diff) | |
parent | 0b7f128e76956367ddb4f9ddbee4477d3b462e96 (diff) | |
download | go-8b46a22b652d6e7a4a69b9523d57aff12f9dc945.tar.gz |
[dev.garbage] all: merge dev.cc into dev.garbage
The garbage collector is now written in Go.
There is plenty to clean up (just like on dev.cc).
all.bash passes on darwin/amd64, darwin/386, linux/amd64, linux/386.
TBR=rlh
R=austin, rlh, bradfitz
CC=golang-codereviews
https://codereview.appspot.com/173250043
Diffstat (limited to 'src/runtime/mem_solaris.c')
-rw-r--r-- | src/runtime/mem_solaris.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/src/runtime/mem_solaris.c b/src/runtime/mem_solaris.c deleted file mode 100644 index 8e90ba1d9..000000000 --- a/src/runtime/mem_solaris.c +++ /dev/null @@ -1,101 +0,0 @@ -// Copyright 2010 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -#include "runtime.h" -#include "arch_GOARCH.h" -#include "defs_GOOS_GOARCH.h" -#include "os_GOOS.h" -#include "malloc.h" -#include "textflag.h" - -enum -{ - ENOMEM = 12, -}; - -#pragma textflag NOSPLIT -void* -runtime·sysAlloc(uintptr n, uint64 *stat) -{ - void *v; - - v = runtime·mmap(nil, n, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, -1, 0); - if(v < (void*)4096) - return nil; - runtime·xadd64(stat, n); - return v; -} - -void -runtime·SysUnused(void *v, uintptr n) -{ - USED(v); - USED(n); -} - -void -runtime·SysUsed(void *v, uintptr n) -{ - USED(v); - USED(n); -} - -void -runtime·SysFree(void *v, uintptr n, uint64 *stat) -{ - runtime·xadd64(stat, -(uint64)n); - runtime·munmap(v, n); -} - -void -runtime·SysFault(void *v, uintptr n) -{ - runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE|MAP_FIXED, -1, 0); -} - -void* -runtime·SysReserve(void *v, uintptr n, bool *reserved) -{ - void *p; - - // On 64-bit, people with ulimit -v set complain if we reserve too - // much address space. Instead, assume that the reservation is okay - // and check the assumption in SysMap. - if(sizeof(void*) == 8 && n > 1LL<<32) { - *reserved = false; - return v; - } - - p = runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0); - if(p < (void*)4096) - return nil; - *reserved = true; - return p; -} - -void -runtime·SysMap(void *v, uintptr n, bool reserved, uint64 *stat) -{ - void *p; - - runtime·xadd64(stat, n); - - // On 64-bit, we don't actually have v reserved, so tread carefully. - if(!reserved) { - p = runtime·mmap(v, n, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, -1, 0); - if(p == (void*)ENOMEM) - runtime·throw("runtime: out of memory"); - if(p != v) { - runtime·printf("runtime: address space conflict: map(%p) = %p\n", v, p); - runtime·throw("runtime: address space conflict"); - } - return; - } - - p = runtime·mmap(v, n, PROT_READ|PROT_WRITE, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0); - if(p == (void*)ENOMEM) - runtime·throw("runtime: out of memory"); - if(p != v) - runtime·throw("runtime: cannot map pages in arena address space"); -} |