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Merge pull request #122 from jasonsoooz/patch-1

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Mention possibility of running java in README
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Wolfgang Hommel
2017-10-01 10:06:43 +02:00
committed by GitHub
parent 5d41d41da8 d42a2a9ec7
commit 4ce283594f
1 changed files with 9 additions and 2 deletions
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README
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@@ -70,8 +70,9 @@ documentation whether it can be achieved by using libfaketime directly.
intercept by removing the -DPTHREAD_SINGLETHREADED_TIME from the Makefile and
rebuilding libfaketimeMT.so.1
* Java-/JVM-based applications and others with a complex run-time environment
are known to not, or not reliably, work with libfaketime.
* Java-/JVM-based applications work but you need to pass in an extra argument
(DONT_FAKE_MONOTONIC). See usage basics below for details. Without this
argument the java command usually hangs.
* libfaketime will eventually be bypassed by applications that dynamically load
system libraries, such as librt, explicitly themselves instead of relying on
@@ -139,6 +140,12 @@ Tue Nov 23 12:01:05 CEST 2016
user@host> LD_PRELOAD=/usr/local/lib/libfaketime.so.1 FAKETIME="-15d" date
Mon Nov 8 12:01:12 CEST 2016
user@host> LD_PRELOAD=/usr/local/lib/libfaketime.so.1 FAKETIME="-15d"
DONT_FAKE_MONOTONIC=1 java -version
java version "1.8.0_111"
Java(TM) SE Runtime Environment (build 1.8.0_111-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.111-b14, mixed mode)
The basic way of running any command/program with libfaketime enabled is to
make sure the environment variable LD_PRELOAD contains the path and
filename of the libfaketime library. This can either be done by setting it once