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| author | Jason Soo <jasonsoooz@users.noreply.github.com> | 2017-09-30 15:51:39 +1000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-30 15:51:39 +1000 |
| commit | d42a2a9ec793c6495a6b1531e2b0882d5f1c2ef5 (patch) | |
| tree | 398a982685e08cee658f9b53f2e1e66cb23f1b59 | |
| parent | 5d41d41da8f67e396f630280b180cdfb8e56abbc (diff) | |
| download | libfaketime-d42a2a9ec793c6495a6b1531e2b0882d5f1c2ef5.tar.gz | |
Mention possibility of running java in README
| -rw-r--r-- | README | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -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 |