Towards portability.

ncruces · Apr 2, 2024 · 613f0c2 · 613f0c2
1 parent 3451449
commit 613f0c2
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diff --git a/vfs/shm.go b/vfs/shm.go
@@ -1,3 +1,5 @@
+//go:build (linux || darwin) && (amd64 || arm64) && !sqlite3_nosys
+
 package vfs
 
 import (

diff --git a/vfs/shm_other.go b/vfs/shm_other.go
@@ -0,0 +1,21 @@
+//go:build !(linux || darwin) || !(amd64 || arm64) || sqlite3_nosys
+
+package vfs
+
+import (
+	"context"
+
+	"github.com/tetratelabs/wazero/api"
+)
+
+type vfsShm struct{}
+
+func (f *vfsFile) ShmMap(ctx context.Context, mod api.Module, id, size uint32, extend bool) (uint32, error) {
+	return 0, _IOERR_SHMMAP
+}
+
+func (f *vfsFile) ShmLock(offset, n uint32, flags _ShmFlag) error {
+	return _IOERR_SHMLOCK
+}
+
+func (f *vfsFile) ShmUnmap(delete bool) {}