Merge pull request #302 from Gouthamve/fix-prom-3957

fabxc · web-flow · commit 659ed644294e · 2018-03-14T09:49:50.000-04:00
Add architecture specific map sizes
diff --git a/fileutil/mmap_386.go b/fileutil/mmap_386.go
@@ -0,0 +1,5 @@
+// +build windows
+
+package fileutil
+
+const maxMapSize = 0x7FFFFFFF // 2GB
diff --git a/fileutil/mmap_amd64.go b/fileutil/mmap_amd64.go
@@ -0,0 +1,5 @@
+// +build windows
+
+package fileutil
+
+const maxMapSize = 0xFFFFFFFFFFFF // 256TB
diff --git a/fileutil/mmap_windows.go b/fileutil/mmap_windows.go
@@ -19,8 +19,6 @@ import (
 	"unsafe"
 )
 
-const maxMapSize = 0xFFFFFFFFFFFF // 256TB
-
 func mmap(f *os.File, size int) ([]byte, error) {
 	low, high := uint32(size), uint32(size>>32)
 	h, errno := syscall.CreateFileMapping(syscall.Handle(f.Fd()), nil, syscall.PAGE_READONLY, high, low, nil)

Original file line number	Diff line number	Diff line change
`@@ -19,8 +19,6 @@ import (`
`19`	`19`	`"unsafe"`
`20`	`20`	`)`
`21`	`21`
`22`		`-const maxMapSize = 0xFFFFFFFFFFFF // 256TB`
`23`		`-`
`24`	`22`	`func mmap(f *os.File, size int) ([]byte, error) {`
`25`	`23`	`low, high := uint32(size), uint32(size>>32)`
`26`	`24`	`h, errno := syscall.CreateFileMapping(syscall.Handle(f.Fd()), nil, syscall.PAGE_READONLY, high, low, nil)`