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-rw-r--r--newlib/libc/include/time.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/newlib/libc/include/time.h b/newlib/libc/include/time.h
index 8d3a30c8a..bc07d30f6 100644
--- a/newlib/libc/include/time.h
+++ b/newlib/libc/include/time.h
@@ -226,6 +226,16 @@ extern "C" {
#endif
+#if defined(_POSIX_MONOTONIC_CLOCK)
+
+/* The identifier for the system-wide monotonic clock, which is defined
+ * as a clock whose value cannot be set via clock_settime() and which
+ * cannot have backward clock jumps. */
+
+#define CLOCK_MONOTONIC (clockid_t)4
+
+#endif
+
#if defined(_POSIX_CPUTIME)
/* Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 */