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Diffstat (limited to 'src/common/compat_pthreads.c')
-rw-r--r--src/common/compat_pthreads.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/common/compat_pthreads.c b/src/common/compat_pthreads.c
index c1ae66c1d2..002274c469 100644
--- a/src/common/compat_pthreads.c
+++ b/src/common/compat_pthreads.c
@@ -1,6 +1,6 @@
/* Copyright (c) 2003-2004, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2016, The Tor Project, Inc. */
+ * Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
@@ -201,20 +201,21 @@ tor_cond_init(tor_cond_t *cond)
}
#if defined(HAVE_CLOCK_GETTIME)
-#if defined(CLOCK_MONOTONIC) && defined(HAVE_PTHREAD_CONDATTR_SETCLOCK)
+#if defined(HAVE_PTHREAD_CONDATTR_SETCLOCK) && \
+ defined(CLOCK_MONOTONIC)
/* Use monotonic time so when we timedwait() on it, any clock adjustment
* won't affect the timeout value. */
if (pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC)) {
return -1;
}
#define USE_COND_CLOCK CLOCK_MONOTONIC
-#else /* !defined HAVE_PTHREAD_CONDATTR_SETCLOCK */
+#else /* !(defined(HAVE_PTHREAD_CONDATTR_SETCLOCK) && ...) */
/* On OSX Sierra, there is no pthread_condattr_setclock, so we are stuck
* with the realtime clock.
*/
#define USE_COND_CLOCK CLOCK_REALTIME
-#endif /* which clock to use */
-#endif /* HAVE_CLOCK_GETTIME */
+#endif /* defined(HAVE_PTHREAD_CONDATTR_SETCLOCK) && ... */
+#endif /* defined(HAVE_CLOCK_GETTIME) */
if (pthread_cond_init(&cond->cond, &condattr)) {
return -1;
}
@@ -266,11 +267,11 @@ tor_cond_wait(tor_cond_t *cond, tor_mutex_t *mutex, const struct timeval *tv)
tvnow.tv_sec = ts.tv_sec;
tvnow.tv_usec = (int)(ts.tv_nsec / 1000);
timeradd(tv, &tvnow, &tvsum);
-#else
+#else /* !(defined(HAVE_CLOCK_GETTIME) && defined(USE_COND_CLOCK)) */
if (gettimeofday(&tvnow, NULL) < 0)
return -1;
timeradd(tv, &tvnow, &tvsum);
-#endif /* HAVE_CLOCK_GETTIME, CLOCK_MONOTONIC */
+#endif /* defined(HAVE_CLOCK_GETTIME) && defined(USE_COND_CLOCK) */
ts.tv_sec = tvsum.tv_sec;
ts.tv_nsec = tvsum.tv_usec * 1000;