[chore] update dependencies (#4468)

- github.com/ncruces/go-sqlite3
- codeberg.org/gruf/go-mempool
- codeberg.org/gruf/go-structr (changes related on the above) *
- codeberg.org/gruf/go-mutexes (changes related on the above) *

* this is largely just fiddling around with package internals in structr and mutexes to rely on changes in mempool, which added a new concurrency-safe pool

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4468
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>

8 files changed, 84 insertions, 40 deletions

diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/const.go b/vendor/github.com/ncruces/go-sqlite3/vfs/const.go
index 11afb1254..9ed67e385 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/const.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/const.go
@@ -94,6 +94,10 @@ const (
 	OPEN_PRIVATECACHE  OpenFlag = 0x00040000 /* Ok for sqlite3_open_v2() */
 	OPEN_WAL           OpenFlag = 0x00080000 /* VFS only */
 	OPEN_NOFOLLOW      OpenFlag = 0x01000000 /* Ok for sqlite3_open_v2() */
+	_FLAG_ATOMIC       OpenFlag = 0x10000000
+	_FLAG_KEEP_WAL     OpenFlag = 0x20000000
+	_FLAG_PSOW         OpenFlag = 0x40000000
+	_FLAG_SYNC_DIR     OpenFlag = 0x80000000
 )
 
 // AccessFlag is a flag for the [VFS] Access method.
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/file.go b/vendor/github.com/ncruces/go-sqlite3/vfs/file.go
index 06906c961..bdebdf6aa 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/file.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/file.go
@@ -51,7 +51,7 @@ func (vfsOS) Delete(path string, syncDir bool) error {
 			return _OK
 		}
 		defer f.Close()
-		err = osSync(f, false, false)
+		err = osSync(f, 0, SYNC_FULL)
 		if err != nil {
 			return _IOERR_DIR_FSYNC
 		}
@@ -131,27 +131,24 @@ func (vfsOS) OpenFilename(name *Filename, flags OpenFlag) (File, OpenFlag, error
 	}
 
 	file := vfsFile{
-		File:     f,
-		psow:     true,
-		atomic:   osBatchAtomic(f),
-		readOnly: flags&OPEN_READONLY != 0,
-		syncDir:  isUnix && isCreate && isJournl,
-		delete:   !isUnix && flags&OPEN_DELETEONCLOSE != 0,
-		shm:      NewSharedMemory(name.String()+"-shm", flags),
+		File:  f,
+		flags: flags | _FLAG_PSOW,
+		shm:   NewSharedMemory(name.String()+"-shm", flags),
+	}
+	if osBatchAtomic(f) {
+		file.flags |= _FLAG_ATOMIC
+	}
+	if isUnix && isCreate && isJournl {
+		file.flags |= _FLAG_SYNC_DIR
 	}
 	return &file, flags, nil
 }
 
 type vfsFile struct {
 	*os.File
-	shm      SharedMemory
-	lock     LockLevel
-	readOnly bool
-	keepWAL  bool
-	syncDir  bool
-	atomic   bool
-	delete   bool
-	psow     bool
+	shm   SharedMemory
+	lock  LockLevel
+	flags OpenFlag
 }
 
 var (
@@ -164,7 +161,7 @@ var (
 )
 
 func (f *vfsFile) Close() error {
-	if f.delete {
+	if !isUnix && f.flags&OPEN_DELETEONCLOSE != 0 {
 		defer os.Remove(f.Name())
 	}
 	if f.shm != nil {
@@ -183,21 +180,18 @@ func (f *vfsFile) WriteAt(p []byte, off int64) (n int, err error) {
 }
 
 func (f *vfsFile) Sync(flags SyncFlag) error {
-	dataonly := (flags & SYNC_DATAONLY) != 0
-	fullsync := (flags & 0x0f) == SYNC_FULL
-
-	err := osSync(f.File, fullsync, dataonly)
+	err := osSync(f.File, f.flags, flags)
 	if err != nil {
 		return err
 	}
-	if isUnix && f.syncDir {
-		f.syncDir = false
+	if isUnix && f.flags&_FLAG_SYNC_DIR != 0 {
+		f.flags ^= _FLAG_SYNC_DIR
 		d, err := os.Open(filepath.Dir(f.File.Name()))
 		if err != nil {
 			return nil
 		}
 		defer d.Close()
-		err = osSync(d, false, false)
+		err = osSync(f.File, f.flags, flags)
 		if err != nil {
 			return _IOERR_DIR_FSYNC
 		}
@@ -215,10 +209,10 @@ func (f *vfsFile) SectorSize() int {
 
 func (f *vfsFile) DeviceCharacteristics() DeviceCharacteristic {
 	ret := IOCAP_SUBPAGE_READ
-	if f.atomic {
+	if f.flags&_FLAG_ATOMIC != 0 {
 		ret |= IOCAP_BATCH_ATOMIC
 	}
-	if f.psow {
+	if f.flags&_FLAG_PSOW != 0 {
 		ret |= IOCAP_POWERSAFE_OVERWRITE
 	}
 	if runtime.GOOS == "windows" {
@@ -249,8 +243,20 @@ func (f *vfsFile) HasMoved() (bool, error) {
 	return !os.SameFile(fi, pi), nil
 }
 
-func (f *vfsFile) LockState() LockLevel            { return f.lock }
-func (f *vfsFile) PowersafeOverwrite() bool        { return f.psow }
-func (f *vfsFile) PersistWAL() bool                { return f.keepWAL }
-func (f *vfsFile) SetPowersafeOverwrite(psow bool) { f.psow = psow }
-func (f *vfsFile) SetPersistWAL(keepWAL bool)      { f.keepWAL = keepWAL }
+func (f *vfsFile) LockState() LockLevel     { return f.lock }
+func (f *vfsFile) PowersafeOverwrite() bool { return f.flags&_FLAG_PSOW != 0 }
+func (f *vfsFile) PersistWAL() bool         { return f.flags&_FLAG_KEEP_WAL != 0 }
+
+func (f *vfsFile) SetPowersafeOverwrite(psow bool) {
+	f.flags &^= _FLAG_PSOW
+	if psow {
+		f.flags |= _FLAG_PSOW
+	}
+}
+
+func (f *vfsFile) SetPersistWAL(keepWAL bool) {
+	f.flags &^= _FLAG_KEEP_WAL
+	if keepWAL {
+		f.flags |= _FLAG_KEEP_WAL
+	}
+}
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/lock.go b/vendor/github.com/ncruces/go-sqlite3/vfs/lock.go
index b28d83230..253057aea 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/lock.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/lock.go
@@ -41,7 +41,7 @@ func (f *vfsFile) Lock(lock LockLevel) error {
 	}
 
 	// Do not allow any kind of write-lock on a read-only database.
-	if f.readOnly && lock >= LOCK_RESERVED {
+	if lock >= LOCK_RESERVED && f.flags&OPEN_READONLY != 0 {
 		return _IOERR_LOCK
 	}
 
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/README.md b/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/README.md
index 2e2611bf8..e37db1be6 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/README.md
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/README.md
@@ -6,4 +6,7 @@ SQLite VFS in pure Go.
 It has some benefits over the C version:
 - the memory backing the database needs not be contiguous,
 - the database can grow/shrink incrementally without copying,
-- reader-writer concurrency is slightly improved.
\ No newline at end of file
+- reader-writer concurrency is slightly improved.
+
+[`memdb.TestDB`](https://pkg.go.dev/github.com/ncruces/go-sqlite3/vfs/memdb#TestDB)
+is the preferred way to setup an in-memory database for testing.
\ No newline at end of file
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/api.go b/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/api.go
index eb12eba09..a12819855 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/api.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/memdb/api.go
@@ -10,6 +10,7 @@
 package memdb
 
 import (
+	"crypto/rand"
 	"fmt"
 	"net/url"
 	"sync"
@@ -74,11 +75,27 @@ func Delete(name string) {
 
 // TestDB creates an empty shared memory database for the test to use.
 // The database is automatically deleted when the test and all its subtests complete.
+// Returns a URI filename appropriate to call Open with.
 // Each subsequent call to TestDB returns a unique database.
+//
+//	func Test_something(t *testing.T) {
+//		t.Parallel()
+//		dsn := memdb.TestDB(t, url.Values{
+//			"_pragma": {"busy_timeout(1000)"},
+//		})
+//
+//		db, err := sql.Open("sqlite3", dsn)
+//		if err != nil {
+//			t.Fatal(err)
+//		}
+//		defer db.Close()
+//
+//		// ...
+//	}
 func TestDB(tb testing.TB, params ...url.Values) string {
 	tb.Helper()
 
-	name := fmt.Sprintf("%s_%p", tb.Name(), tb)
+	name := fmt.Sprintf("%s_%s", tb.Name(), rand.Text())
 	tb.Cleanup(func() { Delete(name) })
 	Create(name, nil)
 
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/os_darwin.go b/vendor/github.com/ncruces/go-sqlite3/vfs/os_darwin.go
index ee08e9a7b..9bb8b559c 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/os_darwin.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/os_darwin.go
@@ -23,12 +23,26 @@ type flocktimeout_t struct {
 	timeout unix.Timespec
 }
 
-func osSync(file *os.File, fullsync, _ /*dataonly*/ bool) error {
-	if fullsync {
-		return file.Sync()
+func osSync(file *os.File, open OpenFlag, sync SyncFlag) error {
+	var cmd int
+	if sync&SYNC_FULL == SYNC_FULL {
+		// For rollback journals all we really need is a barrier.
+		if open&OPEN_MAIN_JOURNAL != 0 {
+			cmd = unix.F_BARRIERFSYNC
+		} else {
+			cmd = unix.F_FULLFSYNC
+		}
 	}
+
+	fd := file.Fd()
 	for {
-		err := unix.Fsync(int(file.Fd()))
+		err := error(unix.ENOTSUP)
+		if cmd != 0 {
+			_, err = unix.FcntlInt(fd, cmd, 0)
+		}
+		if err == unix.ENOTSUP {
+			err = unix.Fsync(int(fd))
+		}
 		if err != unix.EINTR {
 			return err
 		}
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/os_linux.go b/vendor/github.com/ncruces/go-sqlite3/vfs/os_linux.go
index d112c5a99..893f1512c 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/os_linux.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/os_linux.go
@@ -10,7 +10,7 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-func osSync(file *os.File, _ /*fullsync*/, _ /*dataonly*/ bool) error {
+func osSync(file *os.File, _ OpenFlag, _ SyncFlag) error {
 	// SQLite trusts Linux's fdatasync for all fsync's.
 	for {
 		err := unix.Fdatasync(int(file.Fd()))
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/os_std_sync.go b/vendor/github.com/ncruces/go-sqlite3/vfs/os_std_sync.go
index b32e83e08..87427d9ed 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/os_std_sync.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/os_std_sync.go
@@ -4,6 +4,6 @@ package vfs
 
 import "os"
 
-func osSync(file *os.File, _ /*fullsync*/, _ /*dataonly*/ bool) error {
+func osSync(file *os.File, _ OpenFlag, _ SyncFlag) error {
 	return file.Sync()
 }