Use jnr-posix to call clock_gettime for current time. Fixes #4393.

jruby · Jan 10, 2017 · ebe1c7c · ebe1c7c
1 parent 101887c
commit ebe1c7c
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Showing 3 changed files with 20 additions and 4 deletions.
diff --git a/core/pom.rb b/core/pom.rb
@@ -46,7 +46,7 @@
   jar 'com.github.jnr:jnr-enxio:0.14', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-x86asm:1.0.2', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-unixsocket:0.15', :exclusions => ['com.github.jnr:jnr-ffi']
-  jar 'com.github.jnr:jnr-posix:3.0.33', :exclusions => ['com.github.jnr:jnr-ffi']
+  jar 'com.github.jnr:jnr-posix:3.0.34-SNAPSHOT', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-constants:0.9.6', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-ffi:2.1.2'
   jar 'com.github.jnr:jffi:${jffi.version}'

diff --git a/core/pom.xml b/core/pom.xml
@@ -135,7 +135,7 @@ DO NOT MODIFIY - GENERATED CODE
     <dependency>
       <groupId>com.github.jnr</groupId>
       <artifactId>jnr-posix</artifactId>
-      <version>3.0.33</version>
+      <version>3.0.34-SNAPSHOT</version>
       <exclusions>
         <exclusion>
           <artifactId>jnr-ffi</artifactId>

diff --git a/core/src/main/java/org/jruby/RubyTime.java b/core/src/main/java/org/jruby/RubyTime.java
@@ -37,6 +37,8 @@
  ***** END LICENSE BLOCK *****/
 package org.jruby;
 
+import jnr.posix.POSIX;
+import jnr.posix.Timespec;
 import org.jcodings.specific.USASCIIEncoding;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
@@ -390,9 +392,23 @@ public RubyTime(Ruby runtime, RubyClass rubyClass, DateTime dt) {
         @Override
         public IRubyObject allocate(Ruby runtime, RubyClass klass) {
             DateTimeZone dtz = getLocalTimeZone(runtime);
-            DateTime dt = new DateTime(dtz);
+            POSIX posix = runtime.getPosix();
+            long millis;
+            long nanos;
+            if (posix.isNative()) {
+                Timespec ts = posix.allocateTimespec();
+                posix.clock_gettime(0, ts);
+                long sec = ts.sec();
+                long nsec = ts.nsec();
+                millis = sec * 1000 + nsec / 1_000_000;
+                nanos = nsec % 1_000_000;
+            } else {
+                millis = System.currentTimeMillis();
+                nanos = 0;
+            }
+            DateTime dt = new DateTime(millis, dtz);
             RubyTime rt =  new RubyTime(runtime, klass, dt);
-            rt.setNSec(0);
+            rt.setNSec(nanos);
 
             return rt;
         }