src/daemon/utils_time.h: Return structs from CDTIME_T_TO_TIME{VAL,SPEC}.

Since these are macros use composite literals, you can even take the
address of these struct, which is very handy for calling nanosleep()
and friends.

diff --git a/src/amqp.c b/src/amqp.c
index f9777a9b2a6f390c4ed4eec927f0e01465538f16..882df7c576d0bc513afa54c87c18d58278b880c1 100644 (file)
--- a/src/amqp.c
+++ b/src/amqp.c
@@ -677,25 +677,21 @@ static void *camqp_subscribe_thread (void *user_data) /* {{{ */
         status = camqp_connect (conf);
         if (status != 0)
         {
-            struct timespec ts_interval;
             ERROR ("amqp plugin: camqp_connect failed. "
                     "Will sleep for %.3f seconds.",
                     CDTIME_T_TO_DOUBLE (interval));
-            CDTIME_T_TO_TIMESPEC (interval, &ts_interval);
-            nanosleep (&ts_interval, /* remaining = */ NULL);
+            nanosleep (&CDTIME_T_TO_TIMESPEC (interval), /* remaining = */ NULL);
             continue;
         }
 
         status = amqp_simple_wait_frame (conf->connection, &frame);
         if (status < 0)
         {
-            struct timespec ts_interval;
             ERROR ("amqp plugin: amqp_simple_wait_frame failed. "
                     "Will sleep for %.3f seconds.",
                     CDTIME_T_TO_DOUBLE (interval));
             camqp_close_connection (conf);
-            CDTIME_T_TO_TIMESPEC (interval, &ts_interval);
-            nanosleep (&ts_interval, /* remaining = */ NULL);
+            nanosleep (&CDTIME_T_TO_TIMESPEC (interval), /* remaining = */ NULL);
             continue;
         }
 

diff --git a/src/daemon/collectd.c b/src/daemon/collectd.c
index c9e49f8070536e8d1b99044c74fa0352b7c40178..4843fc659bd46d5c14191a26dc5b70f78b815645 100644 (file)
--- a/src/daemon/collectd.c
+++ b/src/daemon/collectd.c
@@ -341,7 +341,6 @@ static int do_loop (void)
 
        while (loop == 0)
        {
-               struct timespec ts_wait = { 0, 0 };
                cdtime_t now;
 
 #if HAVE_LIBKSTAT
@@ -361,7 +360,7 @@ static int do_loop (void)
                        continue;
                }
 
-               CDTIME_T_TO_TIMESPEC (wait_until - now, &ts_wait);
+               struct timespec ts_wait = CDTIME_T_TO_TIMESPEC (wait_until - now);
                wait_until = wait_until + interval;
 
                while ((loop == 0) && (nanosleep (&ts_wait, &ts_wait) != 0))

diff --git a/src/daemon/plugin.c b/src/daemon/plugin.c
index 7446b6fab84dc300f41a9675d9653bfdfdf69a3c..aa133786e60c40933c87b02b8fdd63c6f52b8cb7 100644 (file)
--- a/src/daemon/plugin.c
+++ b/src/daemon/plugin.c
@@ -522,12 +522,8 @@ static void *plugin_read_thread (void __attribute__((unused)) *args)
                                && (cdtime () < rf->rf_next_read)
                                && rc == 0)
                {
-                       struct timespec ts = { 0 };
-
-                       CDTIME_T_TO_TIMESPEC (rf->rf_next_read, &ts);
-
                        rc = pthread_cond_timedwait (&read_cond, &read_lock,
-                               &ts);
+                               &CDTIME_T_TO_TIMESPEC (rf->rf_next_read));
                }
 
                /* Must hold `read_lock' when accessing `rf->rf_type'. */

diff --git a/src/daemon/utils_time.c b/src/daemon/utils_time.c
index a3a9c33ae78343a291d07fd5d6cddee572bf3d68..b24ceac4ac749f1831effab1cb8825b0393701e3 100644 (file)
--- a/src/daemon/utils_time.c
+++ b/src/daemon/utils_time.c
@@ -86,15 +86,12 @@ cdtime_t cdtime (void) /* {{{ */
 
 static int get_utc_time (cdtime_t t, struct tm *t_tm, long *nsec) /* {{{ */
 {
-  struct timespec t_spec;
-  int status;
-
-  CDTIME_T_TO_TIMESPEC (t, &t_spec);
+  struct timespec t_spec = CDTIME_T_TO_TIMESPEC (t);
   NORMALIZE_TIMESPEC (t_spec);
 
   if (gmtime_r (&t_spec.tv_sec, t_tm) == NULL) {
     char errbuf[1024];
-    status = errno;
+    int status = errno;
     ERROR ("get_utc_time: gmtime_r failed: %s",
         sstrerror (status, errbuf, sizeof (errbuf)));
     return status;
@@ -106,15 +103,12 @@ static int get_utc_time (cdtime_t t, struct tm *t_tm, long *nsec) /* {{{ */
 
 static int get_local_time (cdtime_t t, struct tm *t_tm, long *nsec) /* {{{ */
 {
-  struct timespec t_spec;
-  int status;
-
-  CDTIME_T_TO_TIMESPEC (t, &t_spec);
+  struct timespec t_spec = CDTIME_T_TO_TIMESPEC (t);
   NORMALIZE_TIMESPEC (t_spec);
 
   if (localtime_r (&t_spec.tv_sec, t_tm) == NULL) {
     char errbuf[1024];
-    status = errno;
+    int status = errno;
     ERROR ("get_local_time: localtime_r failed: %s",
         sstrerror (status, errbuf, sizeof (errbuf)));
     return status;

diff --git a/src/daemon/utils_time.h b/src/daemon/utils_time.h
index 7834723917587a9e1837ef29a72e373f08c90f3d..f9973698ec2a59923d0204b5918370bc57c7d4dd 100644 (file)
--- a/src/daemon/utils_time.h
+++ b/src/daemon/utils_time.h
@@ -68,16 +68,16 @@ extern cdtime_t cdtime_mock;
 #define CDTIME_T_TO_DOUBLE(t) (((double) (t)) / 1073741824.0)
 #define DOUBLE_TO_CDTIME_T(d) ((cdtime_t) ((d) * 1073741824.0))
 
-#define CDTIME_T_TO_TIMEVAL(cdt,tvp) do { \
-  (tvp)->tv_sec = (time_t) ((cdt) >> 30); \
-  (tvp)->tv_usec = (suseconds_t) ((((cdt) & 0x3fffffff) * 1000000 + (1 << 29)) >> 30); \
-} while (0)
+#define CDTIME_T_TO_TIMEVAL(t) (struct timeval) { \
+  .tv_sec = (time_t) ((t) >> 30), \
+  .tv_usec = (suseconds_t) ((((t) & 0x3fffffff) * 1000000 + (1 << 29)) >> 30), \
+}
 #define TIMEVAL_TO_CDTIME_T(tv) US_TO_CDTIME_T(1000000 * (tv)->tv_sec + (tv)->tv_usec)
 
-#define CDTIME_T_TO_TIMESPEC(cdt,tsp) do { \
-  (tsp)->tv_sec = (time_t) ((cdt) >> 30); \
-  (tsp)->tv_nsec = (long) ((((cdt) & 0x3fffffff) * 1000000000 + (1 << 29)) >> 30); \
-} while (0)
+#define CDTIME_T_TO_TIMESPEC(t) (struct timespec) { \
+  .tv_sec = (time_t) ((t) >> 30), \
+  .tv_nsec = (long) ((((t) & 0x3fffffff) * 1000000000 + (1 << 29)) >> 30), \
+}
 #define TIMESPEC_TO_CDTIME_T(ts) NS_TO_CDTIME_T(1000000000ULL * (ts)->tv_sec + (ts)->tv_nsec)
 
 cdtime_t cdtime (void);

diff --git a/src/daemon/utils_time_test.c b/src/daemon/utils_time_test.c
index 9f043683e701dd772ce1d2433222c79618ab5251..e9db187e77403c5e921ccdc027d8f8dbdd38e264 100644 (file)
--- a/src/daemon/utils_time_test.c
+++ b/src/daemon/utils_time_test.c
@@ -67,9 +67,6 @@ DEF_TEST(conversion)
   };
 
   for (size_t i = 0; i < (sizeof (cases) / sizeof (cases[0])); i++) {
-    struct timeval tv;
-    struct timespec ts;
-
     // cdtime -> s
     EXPECT_EQ_UINT64 (cases[i].tt, CDTIME_T_TO_TIME_T (cases[i].t));
 
@@ -77,12 +74,12 @@ DEF_TEST(conversion)
     EXPECT_EQ_UINT64(cases[i].ms, CDTIME_T_TO_MS (cases[i].t));
 
     // cdtime -> us
-    CDTIME_T_TO_TIMEVAL (cases[i].t, &tv);
+    struct timeval tv = CDTIME_T_TO_TIMEVAL (cases[i].t);
     EXPECT_EQ_UINT64 (cases[i].tv.tv_sec, tv.tv_sec);
     EXPECT_EQ_UINT64 (cases[i].tv.tv_usec, tv.tv_usec);
 
     // cdtime -> ns
-    CDTIME_T_TO_TIMESPEC (cases[i].t, &ts);
+    struct timespec ts = CDTIME_T_TO_TIMESPEC (cases[i].t);
     EXPECT_EQ_UINT64 (cases[i].ts.tv_sec, ts.tv_sec);
     EXPECT_EQ_UINT64 (cases[i].ts.tv_nsec, ts.tv_nsec);
 

diff --git a/src/dns.c b/src/dns.c
index 04e5a1e6459671d04aab853256616514a3ad5a32..c8e794eb032f83dd786455767819214548c758a3 100644 (file)
--- a/src/dns.c
+++ b/src/dns.c
@@ -278,30 +278,16 @@ static int dns_run_pcap_loop (void)
 
 static int dns_sleep_one_interval (void) /* {{{ */
 {
-       cdtime_t interval;
-       struct timespec ts = { 0, 0 };
-       int status = 0;
-
-       interval = plugin_get_interval ();
-       CDTIME_T_TO_TIMESPEC (interval, &ts);
-
-       while (42)
+       struct timespec ts = CDTIME_T_TO_TIMESPEC (plugin_get_interval ());
+       while (nanosleep (&ts, &ts) != 0)
        {
-               struct timespec rem = { 0, 0 };
-
-               status = nanosleep (&ts, &rem);
-               if (status == 0)
-                       break;
-               else if ((errno == EINTR) || (errno == EAGAIN))
-               {
-                       ts = rem;
+               if ((errno == EINTR) || (errno == EAGAIN))
                        continue;
-               }
-               else
-                       break;
+
+               return (errno);
        }
 
-       return (status);
+       return (0);
 } /* }}} int dns_sleep_one_interval */
 
 static void *dns_child_loop (__attribute__((unused)) void *dummy) /* {{{ */

diff --git a/src/dpdkstat.c b/src/dpdkstat.c
index 3c636f7dbbebd0a05872a9fb1b6fd3741179816c..7d89596f176a7b0413131116c41d1572fe6b2d4b 100644 (file)
--- a/src/dpdkstat.c
+++ b/src/dpdkstat.c
@@ -447,12 +447,12 @@ static int dpdk_helper_run(void) {
 
   while (1) {
     /* sem_timedwait() to avoid blocking forever */
-    struct timespec ts;
     cdtime_t now = cdtime();
     cdtime_t safety_period = MS_TO_CDTIME_T(1500);
-    CDTIME_T_TO_TIMESPEC(now + safety_period + g_configuration->interval * 2,
-                         &ts);
-    int ret = sem_timedwait(&g_configuration->sema_helper_get_stats, &ts);
+    int ret =
+        sem_timedwait(&g_configuration->sema_helper_get_stats,
+                      &CDTIME_T_TO_TIMESPEC(now + safety_period +
+                                            g_configuration->interval * 2));
 
     if (ret == -1 && errno == ETIMEDOUT) {
       ERROR("dpdkstat-helper: sem timedwait()"
@@ -562,8 +562,7 @@ static void dpdk_submit_xstats(const char *dev_name,
     vl.values_len = 1; /* Submit stats one at a time */
     vl.time = port_read_time;
     sstrncpy(vl.plugin, "dpdkstat", sizeof(vl.plugin));
-    sstrncpy(vl.plugin_instance, dev_name,
-             sizeof(vl.plugin_instance));
+    sstrncpy(vl.plugin_instance, dev_name, sizeof(vl.plugin_instance));
 
     type_end = strrchr(xstats[j].name, '_');
 
@@ -621,8 +620,7 @@ static void dpdk_submit_xstats(const char *dev_name,
       sstrncpy(vl.type, "derive", sizeof(vl.type));
     }
 
-    sstrncpy(vl.type_instance, xstats[j].name,
-             sizeof(vl.type_instance));
+    sstrncpy(vl.type_instance, xstats[j].name, sizeof(vl.type_instance));
     plugin_dispatch_values(&vl);
   }
 }
@@ -700,10 +698,9 @@ static int dpdk_read(user_data_t *ud) {
   /* Kick helper process through SHM */
   sem_post(&g_configuration->sema_helper_get_stats);
 
-  struct timespec ts;
   cdtime_t now = cdtime();
-  CDTIME_T_TO_TIMESPEC(now + g_configuration->interval, &ts);
-  ret = sem_timedwait(&g_configuration->sema_stats_in_shm, &ts);
+  ret = sem_timedwait(&g_configuration->sema_stats_in_shm,
+                      &CDTIME_T_TO_TIMESPEC(now + g_configuration->interval));
   if (ret == -1) {
     if (errno == ETIMEDOUT)
       DEBUG(

diff --git a/src/powerdns.c b/src/powerdns.c
index d7aa4e9dbe8ea8d94ca739baa2750b1d2026a707..5bbd9d53e915c5f64868e2c3ce77b6b1f929c0aa 100644 (file)
--- a/src/powerdns.c
+++ b/src/powerdns.c
@@ -377,7 +377,6 @@ static int powerdns_get_data_dgram (list_item_t *item, /* {{{ */
 
   struct sockaddr_un sa_unix = { 0 };
 
-  struct timeval stv_timeout;
   cdtime_t cdt_timeout;
 
   sd = socket (PF_UNIX, item->socktype, 0);
@@ -423,9 +422,9 @@ static int powerdns_get_data_dgram (list_item_t *item, /* {{{ */
     if (cdt_timeout < TIME_T_TO_CDTIME_T (2))
       cdt_timeout = TIME_T_TO_CDTIME_T (2);
 
-    CDTIME_T_TO_TIMEVAL (cdt_timeout, &stv_timeout);
-
-    status = setsockopt (sd, SOL_SOCKET, SO_RCVTIMEO, &stv_timeout, sizeof (stv_timeout));
+    status = setsockopt (sd, SOL_SOCKET, SO_RCVTIMEO,
+                         &CDTIME_T_TO_TIMEVAL(cdt_timeout),
+                         sizeof(struct timeval));
     if (status != 0)
     {
       SOCK_ERROR ("setsockopt", sa_unix.sun_path);