Merge pull request #8514 from influxdata/jw-solaris

Fix building on solaris/illumos

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Bugfixes
 
 - [#8480](https://github.com/influxdata/influxdb/pull/8480): Change the default stats interval to 1 second instead of 10 seconds.
+- [#8466](https://github.com/influxdata/influxdb/issues/8466): illumos build broken on syscall.Mmap
 
 ## v1.3.0 [unreleased]
 

pkg/mmap/mmap_solaris.go

@@ -0,0 +1,40 @@
+// +build solaris
+
+package mmap
+
+import (
+	"os"
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+func Map(path string) ([]byte, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	fi, err := f.Stat()
+	if err != nil {
+		return nil, err
+	} else if fi.Size() == 0 {
+		return nil, nil
+	}
+
+	data, err := unix.Mmap(int(f.Fd()), 0, int(fi.Size()), syscall.PROT_READ, syscall.MAP_SHARED)
+	if err != nil {
+		return nil, err
+	}
+
+	return data, nil
+}
+
+// Unmap closes the memory-map.
+func Unmap(data []byte) error {
+	if data == nil {
+		return nil
+	}
+	return unix.Munmap(data)
+}

pkg/mmap/mmap_unix.go

@@ -1,4 +1,4 @@
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build darwin dragonfly freebsd linux nacl netbsd openbsd
 
 // Copyright 2015 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style