Function CreateProgramPath

src/brpc/builtin/common.cpp:352–358

static const char* s_program_path = "unknown";
static char s_program_exec_path[PATH_MAX];
static void CreateProgramPath() {
    const ssize_t nr = butil::GetProcessAbsolutePath(s_program_exec_path, sizeof(s_program_exec_path) - 1);
    if (nr > 0) {
        s_program_exec_path[nr] = '\0';
        s_program_path = s_program_exec_path;
    }
}

const char* GetProgramPath() {
    pthread_once(&create_program_path_once, CreateProgramPath);