Avoid syscall.Syscall use on OpenBSD

Syscall numbers are not stable on OpenBSD, and hardcoding the msync syscall number will break bbolt on future versions of OpenBSD. Use the libc wrapper provided by golang.org/x/sys/unix instead. Signed-off-by: Josh Rickmar <[email protected]>
etcd-io · Feb 11, 2023 · f5e8ebe · f5e8ebe
1 parent 505fc0f
commit f5e8ebe
Showing 1 changed file with 2 additions and 13 deletions.
diff --git a/bolt_openbsd.go b/bolt_openbsd.go
@@ -1,22 +1,11 @@
 package bbolt
 
 import (
-	"syscall"
-	"unsafe"
-)
-
-const (
-	msAsync      = 1 << iota // perform asynchronous writes
-	msSync                   // perform synchronous writes
-	msInvalidate             // invalidate cached data
+	"golang.org/x/sys/unix"
 )
 
 func msync(db *DB) error {
-	_, _, errno := syscall.Syscall(syscall.SYS_MSYNC, uintptr(unsafe.Pointer(db.data)), uintptr(db.datasz), msInvalidate)
-	if errno != 0 {
-		return errno
-	}
-	return nil
+	return unix.Msync(db.data[:db.datasz], unix.MS_INVALIDATE)
 }
 
 func fdatasync(db *DB) error {