Turbostat: replace stdbool.h with C99 _Bool

[collectd.git] / src / turbostat.c

diff --git a/src/turbostat.c b/src/turbostat.c
index e011611..ad60f31 100644 (file)
--- a/src/turbostat.c
+++ b/src/turbostat.c
@@ -2,7 +2,9 @@
  * turbostat -- Log CPU frequency and C-state residency
  * on modern Intel turbo-capable processors for collectd.
  *
- * Based on the kernel tools by:
+ * Based on the 'turbostat' tool of the Linux kernel, found at
+ * linux/tools/power/x86/turbostat/turbostat.c:
+ * ----
  * Copyright (c) 2013 Intel Corporation.
  * Len Brown <len.brown@intel.com>
  *
@@ -18,7 +20,7 @@
  * You should have received a copy of the GNU General Public License along with
  * this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
+ * ----
  * Ported to collectd by Vincent Brillault <git@lerya.net>
  */
 
@@ -26,7 +28,6 @@
 #include <asm/msr-index.h>
 #include <stdarg.h>
 #include <stdio.h>
-#include <stdbool.h>
 #include <err.h>
 #include <unistd.h>
 #include <sys/types.h>
@@ -151,10 +152,10 @@ struct pkg_data {
 
 #define ODD_COUNTERS thread_odd, core_odd, package_odd
 #define EVEN_COUNTERS thread_even, core_even, package_even
-static bool is_even = true;
+static _Bool is_even = 1;
 
-static bool allocated = false;
-static bool initialized = false;
+static _Bool allocated = 0;
+static _Bool initialized = 0;
 
 #define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
        (thread_base + (pkg_no) * topo.num_cores_per_pkg * \
@@ -545,8 +546,8 @@ get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
 static void
 free_all_buffers(void)
 {
-       allocated = false;
-       initialized = false;
+       allocated = 0;
+       initialized = 0;
 
        CPU_FREE(cpu_present_set);
        cpu_present_set = NULL;
@@ -907,8 +908,8 @@ turbostat_read(user_data_t * not_used)
                if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
                        return ret;
                gettimeofday(&tv_even, (struct timezone *)NULL);
-               is_even = true;
-               initialized = true;
+               is_even = 1;
+               initialized = 1;
                return 0;
        }
 
@@ -916,7 +917,7 @@ turbostat_read(user_data_t * not_used)
                if ((ret = for_all_cpus(get_counters, ODD_COUNTERS)) < 0)
                        return ret;
                gettimeofday(&tv_odd, (struct timezone *)NULL);
-               is_even = false;
+               is_even = 0;
                timersub(&tv_odd, &tv_even, &tv_delta);
                if ((ret = for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) < 0)
                        return ret;
@@ -926,7 +927,7 @@ turbostat_read(user_data_t * not_used)
                if ((ret = for_all_cpus(get_counters, EVEN_COUNTERS)) < 0)
                        return ret;
                gettimeofday(&tv_even, (struct timezone *)NULL);
-               is_even = true;
+               is_even = 1;
                timersub(&tv_even, &tv_odd, &tv_delta);
                if ((ret = for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) < 0)
                        return ret;
@@ -1470,7 +1471,7 @@ static int setup_all_buffers(void)
        DO_OR_GOTO_ERR(allocate_counters(&thread_odd, &core_odd, &package_odd));
        DO_OR_GOTO_ERR(for_all_proc_cpus(initialize_counters));
 
-       allocated = true;
+       allocated = 1;
        return 0;
 err:
        free_all_buffers();