Easier go bindings

bindings-go/README.md

@@ -0,0 +1,6 @@
+# Go bindings for seqlock.cpp
+
+- `ffi.h` is from `seqlock.cpp/seqlock/include/seqlock/ffi.h`
+- `libseqlock.a` is from `seqlock.cpp/build_rel/seqlock/libseqlock.a` after `cmake -GNinja -DCMAKE_BUILD_TYPE=Release ../` in `build_rel`
+
+The above two files are updated on each version upgrade.

bindings-go/ffi.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct SingleWriterSeqLock {
+    void* lock;
+    void* shm;  // optional
+    void* shared_data;
+    size_t shared_data_size;
+    bool shared;
+};
+
+struct SingleWriterSeqLock* seqlock_single_writer_create(char* data, size_t size);
+struct SingleWriterSeqLock* seqlock_single_writer_create_shared(const char* filename, size_t size);
+void seqlock_single_writer_destroy(struct SingleWriterSeqLock*);
+void seqlock_single_writer_load(struct SingleWriterSeqLock* wrapper_lock, char* dst, size_t size);
+void seqlock_single_writer_store(struct SingleWriterSeqLock* wrapper_lock, char* src, size_t size);
+
+#ifdef __cplusplus
+}
+#endif

bindings-go/seqlock.go

@@ -1,9 +1,9 @@
 package seqlock
 
-// #cgo CXXFLAGS: -std=c++20 -I/Users/sergiu/Code/my-projects/seqlock.cpp/deps_install/include
-// #cgo LDFLAGS: /Users/sergiu/Code/my-projects/seqlock.cpp/deps_install/lib/libseqlock.a -lstdc++
+// #cgo CXXFLAGS: -std=c++23
+// #cgo LDFLAGS: ${SRCDIR}/libseqlock.a -lstdc++
 // #include <stdlib.h>
-// #include "/Users/sergiu/Code/my-projects/seqlock.cpp/deps_install/include/seqlock/ffi.h"
+// #include "ffi.h"
 import "C"
 
 import (

seqlock/include/seqlock/seqlock.hpp

@@ -3,6 +3,7 @@
 #include <atomic>
 #include <concepts>
 #include <cstdint>
+#include <new>
 #include <type_traits>
 #include <variant>