intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

7 files changed, 126 insertions, 0 deletions

diff --git a/library/cpp/malloc/api/helpers/io.cpp b/library/cpp/malloc/api/helpers/io.cpp
new file mode 100644
index 0000000000..5177969f4d
--- /dev/null
+++ b/library/cpp/malloc/api/helpers/io.cpp
@@ -0,0 +1,10 @@
+#include <library/cpp/malloc/api/malloc.h>
+
+#include <util/stream/output.h>
+
+using namespace NMalloc;
+
+template <>
+void Out<TMallocInfo>(IOutputStream& out, const TMallocInfo& info) {
+    out << "malloc (name = " << info.Name << ")";
+}
diff --git a/library/cpp/malloc/api/helpers/ya.make b/library/cpp/malloc/api/helpers/ya.make
new file mode 100644
index 0000000000..62875bca0e
--- /dev/null
+++ b/library/cpp/malloc/api/helpers/ya.make
@@ -0,0 +1,13 @@
+LIBRARY()
+
+OWNER(pg)
+
+PEERDIR(
+    library/cpp/malloc/api
+)
+
+SRCS(
+    io.cpp
+)
+
+END()
diff --git a/library/cpp/malloc/api/malloc.cpp b/library/cpp/malloc/api/malloc.cpp
new file mode 100644
index 0000000000..eed1c58a38
--- /dev/null
+++ b/library/cpp/malloc/api/malloc.cpp
@@ -0,0 +1,37 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "malloc.h"
+
+namespace {
+    bool SetEmptyParam(const char*, const char*) {
+        return false;
+    }
+
+    const char* GetEmptyParam(const char*) {
+        return nullptr;
+    }
+
+    bool CheckEmptyParam(const char*, bool defaultValue) {
+        return defaultValue;
+    }
+}
+
+namespace NMalloc {
+    volatile bool IsAllocatorCorrupted = false;
+
+    TMallocInfo::TMallocInfo()
+        : Name()
+        , SetParam(SetEmptyParam)
+        , GetParam(GetEmptyParam)
+        , CheckParam(CheckEmptyParam)
+    {
+    }
+
+    void AbortFromCorruptedAllocator(const char* errorMessage) {
+        errorMessage = errorMessage ? errorMessage : "<unspecified>";
+        fprintf(stderr, "Allocator error: %s\n", errorMessage);
+        IsAllocatorCorrupted = true;
+        abort();
+    }
+}
diff --git a/library/cpp/malloc/api/malloc.h b/library/cpp/malloc/api/malloc.h
new file mode 100644
index 0000000000..ebd545d6dd
--- /dev/null
+++ b/library/cpp/malloc/api/malloc.h
@@ -0,0 +1,32 @@
+#pragma once
+
+#include <string.h>
+#include <util/system/compiler.h>
+
+namespace NMalloc {
+    struct TMallocInfo {
+        TMallocInfo();
+
+        const char* Name;
+
+        bool (*SetParam)(const char* param, const char* value);
+        const char* (*GetParam)(const char* param);
+
+        bool (*CheckParam)(const char* param, bool defaultValue);
+    };
+
+    extern volatile bool IsAllocatorCorrupted;
+    void AbortFromCorruptedAllocator(const char* errorMessage = nullptr);
+
+    // this function should be implemented by malloc implementations
+    TMallocInfo MallocInfo();
+
+    struct TAllocHeader {
+        void* Block;
+        size_t AllocSize;
+        void Y_FORCE_INLINE Encode(void* block, size_t size, size_t signature) {
+            Block = block;
+            AllocSize = size | signature;
+        }
+    };
+}
diff --git a/library/cpp/malloc/api/ut/ut.cpp b/library/cpp/malloc/api/ut/ut.cpp
new file mode 100644
index 0000000000..7eccd0bf8d
--- /dev/null
+++ b/library/cpp/malloc/api/ut/ut.cpp
@@ -0,0 +1,10 @@
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <library/cpp/malloc/api/malloc.h>
+
+Y_UNIT_TEST_SUITE(MallocApi) {
+    Y_UNIT_TEST(ToStream) {
+        TStringStream ss;
+        ss << NMalloc::MallocInfo();
+    }
+}
diff --git a/library/cpp/malloc/api/ut/ya.make b/library/cpp/malloc/api/ut/ya.make
new file mode 100644
index 0000000000..e57225b45d
--- /dev/null
+++ b/library/cpp/malloc/api/ut/ya.make
@@ -0,0 +1,13 @@
+UNITTEST()
+
+OWNER(nga)
+
+PEERDIR(
+    library/cpp/malloc/api/helpers
+)
+
+SRCS(
+    ut.cpp
+)
+
+END()
diff --git a/library/cpp/malloc/api/ya.make b/library/cpp/malloc/api/ya.make
new file mode 100644
index 0000000000..0ebaa0c589
--- /dev/null
+++ b/library/cpp/malloc/api/ya.make
@@ -0,0 +1,11 @@
+LIBRARY()
+
+NO_UTIL()
+
+OWNER(nga)
+
+SRCS(
+    malloc.cpp
+)
+
+END()