first commit

Src/main.c

@@ -0,0 +1,69 @@
+#include "OsSample.h"
+#include "work.h"
+#include "canDriver.h"
+#include "network.h"
+
+#define APP_NAME    "UniversalCan"
+
+int SearchPreProcess(const char* processName);
+void KillPreProcess(const char* processName);
+
+int main(void)
+{
+    //此程序必须只有一个进程在运行
+    while (SearchPreProcess(APP_NAME) == ENABLE)
+    {
+        //杀死上一个进程
+        KillPreProcess(APP_NAME);
+        printf("Kill Pre Process\n");
+        //等待进程里面的socket和内存被释放
+        vTaskDelay(500);
+    }
+    // 初始化队列和任务等等
+    // 初始化网络
+    NetProcessInit(LISTEN_PORT);
+    // 初始化CAN
+    CanProcessInit();
+    // 初始化network
+
+    vTaskStartScheduler();
+}
+
+// 查找是否有指定名称的进程在运行（排除自身）
+int SearchPreProcess(const char* processName)
+{
+    char cmd[512];
+
+#ifdef _WIN32
+    DWORD currentPID = GetCurrentProcessId();
+    // Windows 下通常需要 .exe 后缀，建议传入时带上或在这里处理
+    snprintf(cmd, sizeof(cmd),
+             "tasklist | findstr \"%s\" | findstr /v \"%lu\" > nul",
+             processName, currentPID);
+#elif defined(__linux__)
+    snprintf(cmd, sizeof(cmd),
+             "pgrep -x \"%s\" | grep -v %d > /dev/null 2>&1",
+             processName, getpid());
+#endif
+
+    return system(cmd) == 0 ? ENABLE : DISABLE;
+}
+
+// 杀死指定名称的同名进程（排除自身）
+void KillPreProcess(const char* processName)
+{
+    char cmd[512]; // 稍微加大 buffer 以防万一
+
+#ifdef _WIN32
+    DWORD currentPID = GetCurrentProcessId();
+    // 逻辑不变，仅参数化进程名
+    snprintf(cmd, sizeof(cmd),
+             "for /f \"tokens=2\" %%a in ('tasklist ^| findstr \"%s\"') do if not %%a==%lu taskkill /F /PID %%a",
+             processName, currentPID);
+#elif defined(__linux__)
+    snprintf(cmd, sizeof(cmd),
+             "pgrep -x \"%s\" | grep -v %d | xargs -r kill -9 > /dev/null 2>&1",
+             processName, getpid());
+#endif
+    system(cmd);
+}