/*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <folly/portability/Config.h>
+// OSX is a pain. The XCode 8 SDK always declares clock_gettime
+// even if the target OS version doesn't support it, so you get
+// an error at runtime because it can't resolve the symbol. We
+// solve that by pretending we have it here in the header and
+// then enable our implementation on the source side so that
+// gets linked in instead.
+#if __MACH__ && \
+ (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 || \
+ __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0)
+
+#ifdef FOLLY_HAVE_CLOCK_GETTIME
+#undef FOLLY_HAVE_CLOCK_GETTIME
+#endif
+
+#define FOLLY_HAVE_CLOCK_GETTIME 1
+#define FOLLY_FORCE_CLOCK_GETTIME_DEFINITION 1
+
+#endif
+
// These aren't generic implementations, so we can only declare them on
// platforms we support.
#if !FOLLY_HAVE_CLOCK_GETTIME && (defined(__MACH__) || defined(_WIN32))
#define CLOCK_REALTIME 0
-// The Windows implementation supports a few other
-// clock types as well.
-#ifdef _WIN32
-# define CLOCK_MONOTONIC 1
-# define CLOCK_PROCESS_CPUTIME_ID 2
-# define CLOCK_THREAD_CPUTIME_ID 3
-#endif
+#define CLOCK_MONOTONIC 1
+#define CLOCK_PROCESS_CPUTIME_ID 2
+#define CLOCK_THREAD_CPUTIME_ID 3
typedef uint8_t clockid_t;
extern "C" int clock_gettime(clockid_t clk_id, struct timespec* ts);
tm* gmtime_r(const time_t* t, tm* res);
tm* localtime_r(const time_t* t, tm* o);
int nanosleep(const struct timespec* request, struct timespec* remain);
-char* strptime(const char* __restrict buf,
- const char* __restrict fmt,
- struct tm* __restrict tm);
+char* strptime(
+ const char* __restrict buf,
+ const char* __restrict fmt,
+ struct tm* __restrict tm);
}
#endif