1 files changed, 33 insertions, 0 deletions
diff --git a/bolt_darwin.go b/bolt_darwin.go
new file mode 100644
index 0000000..557de72
--- /dev/null
+++ b/bolt_darwin.go
@@ -0,0 +1,33 @@
+package bolt
+
+import (
+	"os"
+	"syscall"
+)
+
+var odirect int
+
+// fdatasync flushes written data to a file descriptor.
+func fdatasync(f *os.File) error {
+	return f.Sync()
+}
+
+// flock acquires an advisory lock on a file descriptor.
+func flock(f *os.File) error {
+	return syscall.Flock(int(f.Fd()), syscall.LOCK_EX)
+}
+
+// funlock releases an advisory lock on a file descriptor.
+func funlock(f *os.File) error {
+	return syscall.Flock(int(f.Fd()), syscall.LOCK_UN)
+}
+
+// mmap memory maps a file to a byte slice.
+func mmap(f *os.File, sz int) ([]byte, error) {
+	return syscall.Mmap(int(f.Fd()), 0, sz, syscall.PROT_READ, syscall.MAP_SHARED)
+}
+
+// munmap unmaps a pointer from a file.
+func munmap(b []byte) error {
+	return syscall.Munmap(b)
+}