Merging upstream version 1.37.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 43 insertions, 42 deletions

diff --git a/libnetdata/clocks/clocks.c b/libnetdata/clocks/clocks.c
index e4dca6c8b..cabc0000e 100644
--- a/libnetdata/clocks/clocks.c
+++ b/libnetdata/clocks/clocks.c
@@ -11,14 +11,14 @@ usec_t clock_monotonic_resolution = 1000;
 usec_t clock_realtime_resolution = 1000;
 
 #ifndef HAVE_CLOCK_GETTIME
-inline int clock_gettime(clockid_t clk_id, struct timespec *ts) {
+inline int clock_gettime(clockid_t clk_id __maybe_unused, struct timespec *ts) {
     struct timeval tv;
     if(unlikely(gettimeofday(&tv, NULL) == -1)) {
         error("gettimeofday() failed.");
         return -1;
     }
     ts->tv_sec = tv.tv_sec;
-    ts->tv_nsec = (tv.tv_usec % USEC_PER_SEC) * NSEC_PER_USEC;
+    ts->tv_nsec = (long)((tv.tv_usec % USEC_PER_SEC) * NSEC_PER_USEC);
     return 0;
 }
 #endif
@@ -197,28 +197,28 @@ void sleep_to_absolute_time(usec_t usec) {
                 if (!einval_printed) {
                     einval_printed++;
                     error(
-                        "Invalid time given to clock_nanosleep(): clockid = %d, tv_sec = %ld, tv_nsec = %ld",
+                        "Invalid time given to clock_nanosleep(): clockid = %d, tv_sec = %lld, tv_nsec = %ld",
                         clock,
-                        req.tv_sec,
+                        (long long)req.tv_sec,
                         req.tv_nsec);
                 }
             } else if (ret == ENOTSUP) {
                 if (!enotsup_printed) {
                     enotsup_printed++;
                     error(
-                        "Invalid clock id given to clock_nanosleep(): clockid = %d, tv_sec = %ld, tv_nsec = %ld",
+                        "Invalid clock id given to clock_nanosleep(): clockid = %d, tv_sec = %lld, tv_nsec = %ld",
                         clock,
-                        req.tv_sec,
+                        (long long)req.tv_sec,
                         req.tv_nsec);
                 }
             } else {
                 if (!eunknown_printed) {
                     eunknown_printed++;
                     error(
-                        "Unknown return value %d from clock_nanosleep(): clockid = %d, tv_sec = %ld, tv_nsec = %ld",
+                        "Unknown return value %d from clock_nanosleep(): clockid = %d, tv_sec = %lld, tv_nsec = %ld",
                         ret,
                         clock,
-                        req.tv_sec,
+                        (long long)req.tv_sec,
                         req.tv_nsec);
                 }
             }
@@ -341,20 +341,21 @@ usec_t heartbeat_next(heartbeat_t *hb, usec_t tick) {
 void sleep_usec(usec_t usec) {
     // we expect microseconds (1.000.000 per second)
     // but timespec is nanoseconds (1.000.000.000 per second)
-    struct timespec rem, req = {
+    struct timespec rem = { 0, 0 }, req = {
             .tv_sec = (time_t) (usec / USEC_PER_SEC),
             .tv_nsec = (suseconds_t) ((usec % USEC_PER_SEC) * NSEC_PER_USEC)
     };
 
 #ifdef __linux__
-    while ((errno = clock_nanosleep(CLOCK_REALTIME, 0, &req, &rem)) != 0) {
+    while (clock_nanosleep(CLOCK_REALTIME, 0, &req, &rem) != 0) {
 #else
-    while ((errno = nanosleep(&req, &rem)) != 0) {
+    while (nanosleep(&req, &rem) != 0) {
 #endif
-        if (likely(errno == EINTR)) {
-            req.tv_sec = rem.tv_sec;
-            req.tv_nsec = rem.tv_nsec;
-        } else {
+        if (likely(errno == EINTR && (rem.tv_sec || rem.tv_nsec))) {
+            req = rem;
+            rem = (struct timespec){ 0, 0 };
+        }
+        else {
 #ifdef __linux__
             error("Cannot clock_nanosleep(CLOCK_REALTIME) for %llu microseconds.", usec);
 #else
diff --git a/libnetdata/clocks/clocks.h b/libnetdata/clocks/clocks.h
index 53c036ece..7738a2c8e 100644
--- a/libnetdata/clocks/clocks.h
+++ b/libnetdata/clocks/clocks.h
@@ -82,7 +82,7 @@ typedef struct heartbeat {
  * make systems without clock_gettime() support sensitive
  * to time jumps or hibernation/suspend side effects.
  */
-extern int clock_gettime(clockid_t clk_id, struct timespec *ts);
+int clock_gettime(clockid_t clk_id, struct timespec *ts);
 #endif
 
 /*
@@ -111,50 +111,50 @@ extern int clock_gettime(clockid_t clk_id, struct timespec *ts);
  * All now_*_usec() functions return the time in microseconds from the appropriate clock, or 0 on error.
  *
  */
-extern int now_realtime_timeval(struct timeval *tv);
-extern time_t now_realtime_sec(void);
-extern usec_t now_realtime_usec(void);
+int now_realtime_timeval(struct timeval *tv);
+time_t now_realtime_sec(void);
+usec_t now_realtime_usec(void);
 
-extern int now_monotonic_timeval(struct timeval *tv);
-extern time_t now_monotonic_sec(void);
-extern usec_t now_monotonic_usec(void);
-extern int now_monotonic_high_precision_timeval(struct timeval *tv);
-extern time_t now_monotonic_high_precision_sec(void);
-extern usec_t now_monotonic_high_precision_usec(void);
+int now_monotonic_timeval(struct timeval *tv);
+time_t now_monotonic_sec(void);
+usec_t now_monotonic_usec(void);
+int now_monotonic_high_precision_timeval(struct timeval *tv);
+time_t now_monotonic_high_precision_sec(void);
+usec_t now_monotonic_high_precision_usec(void);
 
-extern int now_boottime_timeval(struct timeval *tv);
-extern time_t now_boottime_sec(void);
-extern usec_t now_boottime_usec(void);
+int now_boottime_timeval(struct timeval *tv);
+time_t now_boottime_sec(void);
+usec_t now_boottime_usec(void);
 
-extern usec_t timeval_usec(struct timeval *tv);
-extern msec_t timeval_msec(struct timeval *tv);
+usec_t timeval_usec(struct timeval *tv);
+msec_t timeval_msec(struct timeval *tv);
 
-extern usec_t dt_usec(struct timeval *now, struct timeval *old);
-extern susec_t dt_usec_signed(struct timeval *now, struct timeval *old);
+usec_t dt_usec(struct timeval *now, struct timeval *old);
+susec_t dt_usec_signed(struct timeval *now, struct timeval *old);
 
-extern void heartbeat_init(heartbeat_t *hb);
+void heartbeat_init(heartbeat_t *hb);
 
 /* Sleeps until next multiple of tick using monotonic clock.
  * Returns elapsed time in microseconds since previous heartbeat
  */
-extern usec_t heartbeat_next(heartbeat_t *hb, usec_t tick);
+usec_t heartbeat_next(heartbeat_t *hb, usec_t tick);
 
-extern void heartbeat_statistics(usec_t *min_ptr, usec_t *max_ptr, usec_t *average_ptr, size_t *count_ptr);
+void heartbeat_statistics(usec_t *min_ptr, usec_t *max_ptr, usec_t *average_ptr, size_t *count_ptr);
 
-extern void sleep_usec(usec_t usec);
+void sleep_usec(usec_t usec);
 
-extern void clocks_init(void);
+void clocks_init(void);
 
 // lower level functions - avoid using directly
-extern time_t now_sec(clockid_t clk_id);
-extern usec_t now_usec(clockid_t clk_id);
-extern int now_timeval(clockid_t clk_id, struct timeval *tv);
+time_t now_sec(clockid_t clk_id);
+usec_t now_usec(clockid_t clk_id);
+int now_timeval(clockid_t clk_id, struct timeval *tv);
 
-extern collected_number uptime_msec(char *filename);
+collected_number uptime_msec(char *filename);
 
 extern usec_t clock_monotonic_resolution;
 extern usec_t clock_realtime_resolution;
 
-extern void sleep_to_absolute_time(usec_t usec);
+void sleep_to_absolute_time(usec_t usec);
 
 #endif /* NETDATA_CLOCKS_H */