make ready for linux

task_3/counter_manager.cpp

@@ -8,7 +8,8 @@ long long int CounterManager::get_counter() {
 
     int fd = open(
         "counter.txt",
-        _O_RDONLY
+        O_RDONLY,
+        0777
     );
     if (fd == -1) {
         return 0; // Ошибка при открытии файла

task_3/counter_manager.h

@@ -1,5 +1,6 @@
 #include <string>
 #include <fcntl.h>
+#include <unistd.h>
 
 
 class CounterManager {

task_3/log_writer.cpp

@@ -4,7 +4,8 @@ int LogWriter::write_log(const std::string& log_line) {
     std::string new_line = "\n";
     int fd = open(
         "main.log",
-        O_WRONLY|O_APPEND|O_CREAT
+        O_WRONLY|O_APPEND|O_CREAT,
+        0777
     );
     if (fd == -1) {
         return -1; // Ошибка при открытии файла
@@ -30,7 +31,7 @@ std::string LogWriter::get_current_time() {
 }
 
 
-int LogWriter::log_start_line(){
+void LogWriter::log_start_line(){
     std::string log_line = (
         "start programm with pid " +
         std::to_string(getpid()) +
@@ -38,11 +39,10 @@ int LogWriter::log_start_line(){
         get_current_time()
     );
     write_log(log_line);
-    return 0;
 }
 
 
-int LogWriter::log_counter(long long int counter){
+void LogWriter::log_counter(long long int counter){
     std::string log_line = (
         "counter at " +
         get_current_time() +
@@ -52,11 +52,10 @@ int LogWriter::log_counter(long long int counter){
         std::to_string(counter)
     );
     write_log(log_line);
-    return 0;
 }
 
 
-int LogWriter::log_copy_start(std::string copy_name) {
+void LogWriter::log_copy_start(std::string copy_name) {
     std::string log_line = (
         copy_name + 
         " is started at " +
@@ -65,10 +64,9 @@ int LogWriter::log_copy_start(std::string copy_name) {
         std::to_string(getpid())
     );
     write_log(log_line);
-    return 0;
 }
 
-int LogWriter::log_copy_finish(std::string copy_name) {
+void LogWriter::log_copy_finish(std::string copy_name) {
     std::string log_line = (
         copy_name + 
         " is finished at " +
@@ -77,7 +75,7 @@ int LogWriter::log_copy_finish(std::string copy_name) {
     write_log(log_line);
 }
 
-int LogWriter::log_copy_error(std::string copy_name) {
+void LogWriter::log_copy_error(std::string copy_name) {
     std::string log_line = (
         copy_name + 
         " is not finished"

task_3/log_writer.h

@@ -6,11 +6,11 @@
 
 class LogWriter {
 public:
-    static int log_start_line();
-    static int log_counter(long long int counter);
-    static int log_copy_start(std::string copy_name);
-    static int log_copy_finish(std::string copy_name);
-    static int log_copy_error(std::string copy_name);
+    static void log_start_line();
+    static void log_counter(long long int counter);
+    static void log_copy_start(std::string copy_name);
+    static void log_copy_finish(std::string copy_name);
+    static void log_copy_error(std::string copy_name);
 
 protected:
     static std::string get_current_time();

task_3/main.cpp

@@ -22,8 +22,8 @@ struct two_pid {
 #else
     // Для UNIX-подобных систем
     struct two_pid launch_copies() {
-        std::string command1 = "main 1";
-        std::string command2 = "main 2";
+        std::string command1 = "./main 1";
+        std::string command2 = "./main 2";
         struct two_pid result;
         result.pid_1 = ProcessLauncher::launch(command1);
         result.pid_2 = ProcessLauncher::launch(command2);
@@ -32,11 +32,11 @@ struct two_pid {
 #endif
 
 
-uint64_t get_timestamp_ms() {
+long long int get_timestamp_ms() {
     struct timeval tv;
     gettimeofday(&tv, NULL);
 
-    return (((long long)tv.tv_sec)*1000)+(tv.tv_usec/1000);
+    return (((long long int)tv.tv_sec)*1000)+(tv.tv_usec/1000);
 
 }
 
@@ -63,10 +63,10 @@ int main(int argc, char* argv[]) {
 
     struct two_pid pid_of_copy_processes;
 
-    uint64_t last_counter_increment = get_timestamp_ms();
-    uint64_t last_counter_logging = get_timestamp_ms();
-    uint64_t last_copies_launching = get_timestamp_ms();
-    uint64_t current_time;
+    long long int last_counter_increment = get_timestamp_ms();
+    long long int last_counter_logging = get_timestamp_ms();
+    long long int last_copies_launching = get_timestamp_ms();
+    long long int current_time;
 
     while (1) {
         current_time = get_timestamp_ms();