Refine codes

loader/src/include/misc.hpp

@@ -1,100 +0,0 @@
-#pragma once
-
-#include <pthread.h>
-#include "logging.h"
-#include <dirent.h>
-#include <stdio.h>
-
-#include <string_view>
-#include <memory>
-
-#define DISALLOW_COPY_AND_MOVE(clazz) \
-clazz(const clazz &) = delete; \
-clazz(clazz &&) = delete;
-
-class mutex_guard {
-    DISALLOW_COPY_AND_MOVE(mutex_guard)
-public:
-    explicit mutex_guard(pthread_mutex_t &m): mutex(&m) {
-        pthread_mutex_lock(mutex);
-    }
-    void unlock() {
-        pthread_mutex_unlock(mutex);
-        mutex = nullptr;
-    }
-    ~mutex_guard() {
-        if (mutex) pthread_mutex_unlock(mutex);
-    }
-private:
-    pthread_mutex_t *mutex;
-};
-
-using thread_entry = void *(*)(void *);
-int new_daemon_thread(thread_entry entry, void *arg);
-
-template<typename T, typename Impl>
-class stateless_allocator {
-public:
-    using value_type = T;
-    T *allocate(size_t num) { return static_cast<T*>(Impl::allocate(sizeof(T) * num)); }
-    void deallocate(T *ptr, size_t num) { Impl::deallocate(ptr, sizeof(T) * num); }
-    stateless_allocator()                           = default;
-    stateless_allocator(const stateless_allocator&) = default;
-    stateless_allocator(stateless_allocator&&)      = default;
-    template <typename U>
-    stateless_allocator(const stateless_allocator<U, Impl>&) {}
-    bool operator==(const stateless_allocator&) { return true; }
-    bool operator!=(const stateless_allocator&) { return false; }
-};
-
-using sFILE = std::unique_ptr<FILE, decltype(&fclose)>;
-using sDIR = std::unique_ptr<DIR, decltype(&closedir)>;
-sDIR make_dir(DIR *dp);
-sFILE make_file(FILE *fp);
-
-static inline sDIR open_dir(const char *path) {
-    return make_dir(opendir(path));
-}
-
-static inline sDIR xopen_dir(const char *path) {
-    return make_dir(opendir(path));
-}
-
-static inline sDIR xopen_dir(int dirfd) {
-    return make_dir(fdopendir(dirfd));
-}
-
-static inline sFILE open_file(const char *path, const char *mode) {
-    return make_file(fopen(path, mode));
-}
-
-static inline sFILE xopen_file(const char *path, const char *mode) {
-    return make_file(fopen(path, mode));
-}
-
-static inline sFILE xopen_file(int fd, const char *mode) {
-    return make_file(fdopen(fd, mode));
-}
-
-template<class T>
-static inline void default_new(T *&p) { p = new T(); }
-
-template<class T>
-static inline void default_new(std::unique_ptr<T> &p) { p.reset(new T()); }
-
-struct StringCmp {
-    using is_transparent = void;
-    bool operator()(std::string_view a, std::string_view b) const { return a < b; }
-};
-
-/*
- * Bionic's atoi runs through strtol().
- * Use our own implementation for faster conversion.
- */
-int parse_int(std::string_view s);
-
-template <typename T>
-static inline T align_to(T v, int a) {
-    static_assert(std::is_integral<T>::value);
-    return (v + a - 1) / a * a;
-}