Time doc: documentation that the CLOCK_* constants and clock_*() functions are
not always available.
diff --git a/Doc/library/time.rst b/Doc/library/time.rst
index eddfa11..70ef114 100644
--- a/Doc/library/time.rst
+++ b/Doc/library/time.rst
@@ -141,6 +141,8 @@
Return the resolution (precision) of the specified clock *clk_id*.
+ Availability: Unix.
+
.. versionadded:: 3.3
@@ -148,6 +150,8 @@
Return the time of the specified clock *clk_id*.
+ Availability: Unix.
+
.. versionadded:: 3.3
@@ -155,6 +159,8 @@
Set the time of the specified clock *clk_id*.
+ Availability: Unix.
+
.. versionadded:: 3.3
@@ -164,6 +170,8 @@
hardware source, and may give close to nanosecond resolution. CLOCK_HIGHRES
is the nonadjustable, high-resolution clock.
+ Availability: Solaris.
+
.. versionadded:: 3.3
@@ -172,6 +180,8 @@
Clock that cannot be set and represents monotonic time since some
unspecified starting point.
+ Availability: Unix.
+
.. versionadded:: 3.3
@@ -189,6 +199,8 @@
High-resolution per-process timer from the CPU.
+ Availability: Unix.
+
.. versionadded:: 3.3
@@ -197,6 +209,8 @@
System-wide real-time clock. Setting this clock requires appropriate
privileges.
+ Availability: Unix.
+
.. versionadded:: 3.3
@@ -204,6 +218,8 @@
Thread-specific CPU-time clock.
+ Availability: Unix.
+
.. versionadded:: 3.3