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Re: System.currentTimeMillis() compile to native, accurate?

From: Andrew Haley <aph at redhat dot com>
To: "Rui Wang" <Rui dot Wang at newcastle dot ac dot uk>
Cc: <java at gcc dot gnu dot org>
Date: Thu, 9 Feb 2006 16:08:23 +0000
Subject: Re: System.currentTimeMillis() compile to native, accurate?
References: <9366880017F98D4EA02E4412380B82024E8FC8@moonraker.campus.ncl.ac.uk>

Rui Wang writes:

 > I wonder that how gcj maps Java's "System.currentTimeMillis()" to native
 > machine code. 

It calls 

  timeval tv;
  gettimeofday (&tv, NULL);
  return (tv.tv_sec * 1000LL) + (tv.tv_usec / 1000LL);

It's as accurate as gettimeofday(2).

Andrew.

References:
- System.currentTimeMillis() compile to native, accurate?
  - From: Rui Wang

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