xnu-4903.270.47.tar.gz

[apple/xnu.git] / tests / kevent_continuous_time.c

diff --git a/tests/kevent_continuous_time.c b/tests/kevent_continuous_time.c
index 607cce6823ac0d274f2febc862d23d89de4e54cc..d9cd1cb1ca25451f909c180ca89e57fa32107922 100644 (file)
--- a/tests/kevent_continuous_time.c
+++ b/tests/kevent_continuous_time.c
@@ -18,7 +18,7 @@
 extern char **environ;
 
 static mach_timebase_info_data_t tb_info;
-static const uint64_t one_mil = 1000LL*1000LL;
+static const uint64_t one_mil = 1000LL * 1000LL;
 
 #define tick_to_ns(ticks) (((ticks) * tb_info.numer) / (tb_info.denom))
 #define tick_to_ms(ticks) (tick_to_ns(ticks)/one_mil)
@@ -26,7 +26,9 @@ static const uint64_t one_mil = 1000LL*1000LL;
 #define ns_to_tick(ns) ((ns) * tb_info.denom / tb_info.numer)
 #define ms_to_tick(ms) (ns_to_tick((ms) * one_mil))
 
-static uint64_t time_delta_ms(void){
+static uint64_t
+time_delta_ms(void)
+{
        uint64_t abs_now = mach_absolute_time();
        uint64_t cnt_now = mach_continuous_time();;
        return tick_to_ms(cnt_now) - tick_to_ms(abs_now);
@@ -34,8 +36,12 @@ static uint64_t time_delta_ms(void){
 
 static int run_sleep_tests = 0;
 
-static int trigger_sleep(int for_secs) {
-       if(!run_sleep_tests) return 0;
+static int
+trigger_sleep(int for_secs)
+{
+       if (!run_sleep_tests) {
+               return 0;
+       }
 
        // sleep for 1 seconds each iteration
        char buf[10];
@@ -46,13 +52,13 @@ static int trigger_sleep(int for_secs) {
        int spawn_ret, pid;
        char *const pmset1_args[] = {"/usr/bin/pmset", "relative", "wake", buf, NULL};
        T_ASSERT_POSIX_ZERO((spawn_ret = posix_spawn(&pid, pmset1_args[0], NULL, NULL, pmset1_args, environ)), NULL);
-       
+
        T_ASSERT_EQ(waitpid(pid, &spawn_ret, 0), pid, NULL);
        T_ASSERT_EQ(spawn_ret, 0, NULL);
 
        char *const pmset2_args[] = {"/usr/bin/pmset", "sleepnow", NULL};
        T_ASSERT_POSIX_ZERO((spawn_ret = posix_spawn(&pid, pmset2_args[0], NULL, NULL, pmset2_args, environ)), NULL);
-       
+
        T_ASSERT_EQ(waitpid(pid, &spawn_ret, 0), pid, NULL);
        T_ASSERT_EQ(spawn_ret, 0, NULL);
 
@@ -62,22 +68,26 @@ static int trigger_sleep(int for_secs) {
 // waits up to 30 seconds for system to sleep
 // returns number of seconds it took for sleep to be entered
 // or -1 if sleep wasn't accomplished
-static int wait_for_sleep() {
-       if(!run_sleep_tests) return 0;
+static int
+wait_for_sleep()
+{
+       if (!run_sleep_tests) {
+               return 0;
+       }
 
        uint64_t before_diff = time_delta_ms();
-       
-       for(int i = 0; i < 30; i++) {
+
+       for (int i = 0; i < 30; i++) {
                uint64_t after_diff = time_delta_ms();
 
                // on OSX, there's enough latency between calls to MCT and MAT
                // when the system is going down for sleep for values to diverge a few ms
-               if(llabs((int64_t)before_diff - (int64_t)after_diff) > 2) {
+               if (llabs((int64_t)before_diff - (int64_t)after_diff) > 2) {
                        return i + 1;
                }
-               
+
                sleep(1);
-               T_LOG("waited %d seconds for sleep...", i+1);
+               T_LOG("waited %d seconds for sleep...", i + 1);
        }
        return -1;
 }
@@ -149,7 +159,7 @@ T_DECL(kevent_continuous_time_absolute, "kevent(EVFILT_TIMER with NOTE_MACH_CONT
        struct timeval tv;
        gettimeofday(&tv, NULL);
        int64_t nowus   = (int64_t)tv.tv_sec * USEC_PER_SEC + (int64_t)tv.tv_usec;
-       int64_t fire_at = (3*USEC_PER_SEC) + nowus;
+       int64_t fire_at = (3 * USEC_PER_SEC) + nowus;
 
        uint64_t cnt_now = mach_continuous_time();
        uint64_t cnt_then = cnt_now + ms_to_tick(3000);
@@ -231,10 +241,9 @@ T_DECL(kevent_continuous_time_pops, "kevent(EVFILT_TIMER with NOTE_MACH_CONTINUO
        trigger_sleep(2);
 
        int sleep_secs = 0;
-       if(run_sleep_tests) {
+       if (run_sleep_tests) {
                sleep_secs = wait_for_sleep();
-       }
-       else {
+       } else {
                // simulate 2 seconds of system "sleep"
                sleep(2);
        }
@@ -242,7 +251,7 @@ T_DECL(kevent_continuous_time_pops, "kevent(EVFILT_TIMER with NOTE_MACH_CONTINUO
        uint64_t cnt_now = mach_continuous_time();
 
        uint64_t ms_elapsed = tick_to_ms(cnt_now - cnt_then);
-       if(run_sleep_tests) {
+       if (run_sleep_tests) {
                T_ASSERT_LT(llabs((int64_t)ms_elapsed - 2000LL), 500LL, "slept for %llums, expected 2000ms (astris is connected?)", ms_elapsed);
        }