use detail::fs in detail/turbo

include/perfect/detail/turbo/linux_amd64.hpp

@@ -4,6 +4,7 @@
 #include <fstream>
 
 #include "perfect/result.hpp"
+#include "perfect/detail/fs.hpp"
 
 namespace perfect {
 namespace detail {
@@ -15,19 +16,12 @@ bool has_intel_pstate_no_turbo() {
 Result write_intel_pstate_no_turbo(const std::string &s) {
   assert(has_intel_pstate_no_turbo());
   std::string path("/sys/devices/system/cpu/intel_pstate/no_turbo");
-  std::ofstream ofs(path, std::ofstream::out);
-  ofs << s;
-  ofs.close();
-  if (ofs.fail()) {
-    return Result::NO_PERMISSION;
-  }
-  return Result::SUCCESS;
+  return write_str(path, s);
 }
 
 std::string read_intel_pstate_no_turbo() {
   assert(has_intel_pstate_no_turbo());
   std::string path("/sys/devices/system/cpu/intel_pstate/no_turbo");
-  //   SPDLOG_LOGGER_TRACE(logger::console(), "reading {}", path);
   std::ifstream ifs(path, std::ifstream::in);
   std::string result;
   std::getline(ifs, result);

include/perfect/detail/turbo/linux_power.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "perfect/result.hpp"
+#include "perfect/detail/fs.hpp"
 
 namespace perfect {
 	namespace detail {
@@ -9,16 +10,10 @@ bool has_acpi_cpufreq_boost() {
   return bool(std::ifstream("/sys/devices/system/cpu/cpufreq/boost"));
 }
 
-int write_acpi_cpufreq_boost(const std::string &s) {
+Result write_acpi_cpufreq_boost(const std::string &s) {
   assert(has_acpi_cpufreq_boost());
   std::string path("/sys/devices/system/cpu/cpufreq/boost");
-  std::ofstream ofs(path, std::ofstream::out);
-  ofs << s;
-  ofs.close();
-  if (ofs.fail()) {
-    return 1;
-  }
-  return 0;
+  return write_str(path, s);
 }
 
 std::string read_acpi_cpufeq_boost() {
@@ -35,11 +30,11 @@ std::string read_acpi_cpufeq_boost() {
     }
 
     Result disable_cpu_turbo() {
-        write_acpi_cpufreq_boost("0");
+        return write_acpi_cpufreq_boost("0");
     }
 
     Result enable_cpu_turbo() {
-        write_acpi_cpufreq_boost("1");
+        return write_acpi_cpufreq_boost("1");
     }
 
 } // namespace detail

tools/enable_turbo.cpp

@@ -6,7 +6,6 @@ using namespace perfect;
 
 int main(void) {
 
-  Result ret;
   CpuTurboState state;
 
   perfect::init();