From 1e7b32490dfdccddd04f46d4b0416b48d749d51b Mon Sep 17 00:00:00 2001 From: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com> Date: Mon, 27 May 2024 15:46:15 +0000 Subject: [experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863) This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/). --- .../ncruces/go-sqlite3/vfs/os_f2fs_linux.go | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 vendor/github.com/ncruces/go-sqlite3/vfs/os_f2fs_linux.go (limited to 'vendor/github.com/ncruces/go-sqlite3/vfs/os_f2fs_linux.go') diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/os_f2fs_linux.go b/vendor/github.com/ncruces/go-sqlite3/vfs/os_f2fs_linux.go new file mode 100644 index 000000000..a9f0e333c --- /dev/null +++ b/vendor/github.com/ncruces/go-sqlite3/vfs/os_f2fs_linux.go @@ -0,0 +1,34 @@ +//go:build (amd64 || arm64 || riscv64) && !sqlite3_nosys + +package vfs + +import ( + "os" + + "golang.org/x/sys/unix" +) + +const ( + _F2FS_IOC_START_ATOMIC_WRITE = 62721 + _F2FS_IOC_COMMIT_ATOMIC_WRITE = 62722 + _F2FS_IOC_ABORT_ATOMIC_WRITE = 62725 + _F2FS_IOC_GET_FEATURES = 2147808524 + _F2FS_FEATURE_ATOMIC_WRITE = 4 +) + +func osBatchAtomic(file *os.File) bool { + flags, err := unix.IoctlGetInt(int(file.Fd()), _F2FS_IOC_GET_FEATURES) + return err == nil && flags&_F2FS_FEATURE_ATOMIC_WRITE != 0 +} + +func (f *vfsFile) BeginAtomicWrite() error { + return unix.IoctlSetInt(int(f.Fd()), _F2FS_IOC_START_ATOMIC_WRITE, 0) +} + +func (f *vfsFile) CommitAtomicWrite() error { + return unix.IoctlSetInt(int(f.Fd()), _F2FS_IOC_COMMIT_ATOMIC_WRITE, 0) +} + +func (f *vfsFile) RollbackAtomicWrite() error { + return unix.IoctlSetInt(int(f.Fd()), _F2FS_IOC_ABORT_ATOMIC_WRITE, 0) +} -- cgit v1.2.3