Function CreateProgramName

src/brpc/builtin/common.cpp:336–342

static const char* s_program_name = "unknown";
static char s_cmdline[256];
static void CreateProgramName() {
    const ssize_t nr = butil::ReadCommandLine(s_cmdline, sizeof(s_cmdline) - 1, false);
    if (nr > 0) {
        s_cmdline[nr] = '\0';
        s_program_name = s_cmdline;
    }
}

const char* GetProgramName() {
    pthread_once(&create_program_name_once, CreateProgramName);