101 lines
2.2 KiB
C++
101 lines
2.2 KiB
C++
#pragma once
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#define UID_ROOT 0
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#define UID_SHELL 2000
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#ifdef __cplusplus
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extern "C" {
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#endif
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int fork_dont_care();
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int fork_no_zombie();
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int strend(const char *s1, const char *s2);
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char *rtrim(char *str);
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void init_argv0(int argc, char **argv);
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void set_nice_name(const char *name);
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int parse_int(const char *s);
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uint32_t binary_gcd(uint32_t u, uint32_t v);
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int switch_mnt_ns(int pid);
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#ifdef __cplusplus
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}
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#include <string>
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#include <functional>
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#include <string_view>
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void gen_rand_str(char *buf, int len, bool varlen = true);
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#define str_contains(s, ss) ((ss) != nullptr && (s).find(ss) != std::string::npos)
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#define str_starts(s, ss) ((ss) != nullptr && (s).compare(0, strlen(ss), ss) == 0)
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class mutex_guard {
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public:
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explicit mutex_guard(pthread_mutex_t &m): mutex(&m) {
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pthread_mutex_lock(mutex);
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}
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explicit mutex_guard(pthread_mutex_t *m): mutex(m) {
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pthread_mutex_lock(mutex);
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}
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~mutex_guard() {
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pthread_mutex_unlock(mutex);
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}
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private:
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pthread_mutex_t *mutex;
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};
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class run_finally {
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public:
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explicit run_finally(std::function<void()> &&fn): fn(std::move(fn)) {}
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void disable() { fn = nullptr; }
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~run_finally() { if (fn) fn(); }
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private:
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std::function<void ()> fn;
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};
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static inline int parse_int(std::string s) { return parse_int(s.data()); }
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static inline int parse_int(std::string_view s) { return parse_int(s.data()); }
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int new_daemon_thread(void *(*start_routine) (void *), void *arg = nullptr,
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const pthread_attr_t *attr = nullptr);
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int new_daemon_thread(std::function<void()> &&fn);
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struct exec_t {
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bool err = false;
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int fd = -2;
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void (*pre_exec)() = nullptr;
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int (*fork)() = xfork;
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const char **argv = nullptr;
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};
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int exec_command(exec_t &exec);
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template <class ...Args>
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int exec_command(exec_t &exec, Args &&...args) {
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const char *argv[] = {args..., nullptr};
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exec.argv = argv;
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return exec_command(exec);
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}
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int exec_command_sync(exec_t &exec);
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template <class ...Args>
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int exec_command_sync(exec_t &exec, Args &&...args) {
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const char *argv[] = {args..., nullptr};
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exec.argv = argv;
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return exec_command_sync(exec);
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}
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template <class ...Args>
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int exec_command_sync(Args &&...args) {
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exec_t exec{};
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return exec_command_sync(exec, args...);
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}
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bool ends_with(const std::string_view &s1, const std::string_view &s2);
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#endif
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