summaryrefslogtreecommitdiff
path: root/vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go
diff options
context:
space:
mode:
authorLibravatar kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com>2024-12-12 19:44:53 +0000
committerLibravatar GitHub <noreply@github.com>2024-12-12 19:44:53 +0000
commitfb12bbb10b228fddf40ebd0e463d5afcd9299ebb (patch)
treec9239fe362ea38e71ab4363649ceff605cb4ab89 /vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go
parentBump nanoid from 3.3.7 to 5.0.9 in /web/source (#3615) (diff)
downloadgotosocial-fb12bbb10b228fddf40ebd0e463d5afcd9299ebb.tar.xz
bump ncruces/go-sqlite3 to v0.21.0 (#3621)
Diffstat (limited to 'vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go')
-rw-r--r--vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go12
1 files changed, 6 insertions, 6 deletions
diff --git a/vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go b/vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go
index e6007aa1c..db8ddb4b8 100644
--- a/vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go
+++ b/vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go
@@ -1,4 +1,4 @@
-//go:build (windows && (386 || arm || amd64 || arm64 || riscv64 || ppc64le) && !sqlite3_nosys) || sqlite3_dotlk
+//go:build (windows && (386 || arm || amd64 || arm64 || riscv64 || ppc64le)) || sqlite3_dotlk
package vfs
@@ -13,7 +13,7 @@ const (
_WALINDEX_PGSZ = 32768
)
-// This looks like a safe way of keeping the WAL-index in sync.
+// This seems a safe way of keeping the WAL-index in sync.
//
// The WAL-index file starts with a header,
// and the index doesn't meaningfully change if the header doesn't change.
@@ -27,7 +27,7 @@ const (
//
// Since all the data is either redundant+checksummed,
// 4 byte aligned, or modified under an exclusive lock,
-// the copies below should correctly keep copies in sync.
+// the copies below should correctly keep memory in sync.
//
// https://sqlite.org/walformat.html#the_wal_index_file_format
@@ -35,7 +35,7 @@ func (s *vfsShm) shmAcquire(ptr *_ErrorCode) {
if ptr != nil && *ptr != _OK {
return
}
- if len(s.ptrs) == 0 || shmUnmodified(s.shadow[0][:], s.shared[0][:]) {
+ if len(s.ptrs) == 0 || shmEqual(s.shadow[0][:], s.shared[0][:]) {
return
}
// Copies modified words from shared to private memory.
@@ -53,7 +53,7 @@ func (s *vfsShm) shmAcquire(ptr *_ErrorCode) {
}
func (s *vfsShm) shmRelease() {
- if len(s.ptrs) == 0 || shmUnmodified(s.shadow[0][:], util.View(s.mod, s.ptrs[0], _WALINDEX_HDR_SIZE)) {
+ if len(s.ptrs) == 0 || shmEqual(s.shadow[0][:], util.View(s.mod, s.ptrs[0], _WALINDEX_HDR_SIZE)) {
return
}
// Copies modified words from private to shared memory.
@@ -82,6 +82,6 @@ func shmPage(s []byte) *[_WALINDEX_PGSZ / 4]uint32 {
return (*[_WALINDEX_PGSZ / 4]uint32)(unsafe.Slice(p, _WALINDEX_PGSZ/4))
}
-func shmUnmodified(v1, v2 []byte) bool {
+func shmEqual(v1, v2 []byte) bool {
return *(*[_WALINDEX_HDR_SIZE]byte)(v1[:]) == *(*[_WALINDEX_HDR_SIZE]byte)(v2[:])
}