import worker code

src/worker/include/process_manager.h

@@ -0,0 +1,128 @@
+#ifndef PROCESS_MANAGER_H
+#define PROCESS_MANAGER_H
+
+#include <stddef.h>
+#include <stdbool.h>
+
+#ifdef _WIN32
+#include <windows.h>
+typedef HANDLE process_handle_t;
+#else
+#include <pthread.h>
+#include <unistd.h>
+typedef pid_t process_handle_t;
+#endif
+#include "sqlite3.h"
+
+
+typedef struct {
+    process_handle_t handle; 
+    char* command;           // command line
+    char* work_dir;          // working directory
+    int status;              // process status (0: stopped, 1: running)
+    int exit_code;           // exit code
+    int output_fd;           // output file descriptor
+    char* log_file;          // log file path
+#ifdef _WIN32
+    HANDLE pipe_read;        // pipe read handle
+    HANDLE monitor_thread;   // monitor thread handle
+    bool monitor_active;     // monitor thread active flag
+#endif
+} process_info_t;
+
+typedef struct process_manager {
+    process_info_t* processes;
+    size_t process_count;
+    int update_interval;
+    bool running;
+    bool initialized;
+#ifdef _WIN32
+    HANDLE thread;
+    CRITICAL_SECTION lock;
+#else
+    pthread_t thread;
+    pthread_mutex_t lock;
+#endif
+} process_manager_t;
+
+/**
+ * @brief initialize process info structure
+ * @param proc process info structure
+ * @return void
+ */
+void process_info_init(process_info_t* proc);
+
+/**
+ * @brief initialize process info structure
+ * @return process_manager_t* if success, NULL if failed
+ */
+process_manager_t* process_manager_create(void);
+
+/**
+ * @brief start a new process
+ * @param manager process manager without resource limits
+ * @param command command with arguments
+ * @return 0 if success, -1 if failed
+ */
+int process_manager_start_process(process_manager_t* manager, const char* command);
+
+/**
+ * @brief get the number of processes
+ * @param manager process manager
+ * @return the number of processes
+ */
+int get_process_count(process_manager_t* manager);
+
+/**
+ * @brief get the current process pid
+ * @param manager process manager
+ * @return the current process pid
+ */
+int get_current_process_pid(process_manager_t* manager);
+
+/**
+ * @brief update the process status in the list
+ * @param manager process manager
+ * @return true if success, false if failed
+ */
+bool process_manager_update(process_manager_t* manager);
+
+/**
+ * @brief get process info by handle
+ * @param manager process manager
+ * @param handle process handle
+ * @return process_info_t* if success, NULL if failed
+ */
+process_info_t* process_manager_get_process_info(process_manager_t* manager, process_handle_t handle);
+
+/**
+ * @brief terminate a process
+ * @param manager process manager
+ * @param handle process handle
+ * @return 0 if success, -1 if failed
+ */
+int process_manager_terminate_process(process_manager_t* manager, process_handle_t handle);
+
+/**
+ * @brief destroy process manager
+ * @param manager process manager
+ * @return void
+ */
+void process_manager_destroy(process_manager_t* manager);
+
+/**
+ * @brief remove a process from the list
+ * @param manager process manager
+ * @param handle process handle
+ * @return 0 if success, -1 if failed
+ */
+int process_manager_remove_process(process_manager_t* manager, process_handle_t handle);
+
+/**
+ * @brief free process manager
+ * @param manager process manager
+ * @return void
+ */
+void process_manager_free(process_manager_t* manager);
+
+#endif // PROCESS_MANAGER_H