* Alexandre Montplaisir ([email protected]) wrote: > On 12-04-11 06:50 PM, Mathieu Desnoyers wrote: > > With this, is the java application visible from lttng-tools before the > > first JNI call is done ? > > No, not yet. This patch only adds the makefile target. > > I'm still experimenting with the contents of .java file (namely, adding > support for other tracepoints types). Something like "LTTngUst.init()" > will be needed eventually, since Java classes are lazy-loaded. This > init() can also serve as a check for the liblttng-ust-java.so library, > which will avoid blowing up the application if that library is not found > at runtime.
OK. So I'll pull your patch and expect the fix for init call. Thanks, Mathieu > > > -- > Alexandre Montplaisir > DORSAL lab, > École Polytechnique de Montréal > > > > > > * Alexandre Montplaisir ([email protected]) wrote: > >> Signed-off-by: Alexandre Montplaisir <[email protected]> > >> --- > >> liblttng-ust-java/.gitignore | 1 + > >> liblttng-ust-java/LTTngUst.java | 2 +- > >> liblttng-ust-java/Makefile.am | 8 ++++++-- > >> liblttng-ust-java/README | 5 +++++ > >> 4 files changed, 13 insertions(+), 3 deletions(-) > >> > >> diff --git a/liblttng-ust-java/.gitignore b/liblttng-ust-java/.gitignore > >> index 677373e..e07ee50 100644 > >> --- a/liblttng-ust-java/.gitignore > >> +++ b/liblttng-ust-java/.gitignore > >> @@ -1,2 +1,3 @@ > >> org_lttng_ust_LTTngUst.h > >> org/ > >> +liblttng-ust-java.jar > >> diff --git a/liblttng-ust-java/LTTngUst.java > >> b/liblttng-ust-java/LTTngUst.java > >> index d3f1eda..68ed120 100644 > >> --- a/liblttng-ust-java/LTTngUst.java > >> +++ b/liblttng-ust-java/LTTngUst.java > >> @@ -18,7 +18,7 @@ > >> > >> package org.lttng.ust; > >> > >> -class LTTngUst { > >> +public class LTTngUst { > >> public static native void tracepointString(String name, String arg); > >> static { > >> System.loadLibrary("lttng-ust-java"); > >> diff --git a/liblttng-ust-java/Makefile.am b/liblttng-ust-java/Makefile.am > >> index 9e01e04..7e1834a 100644 > >> --- a/liblttng-ust-java/Makefile.am > >> +++ b/liblttng-ust-java/Makefile.am > >> @@ -7,10 +7,11 @@ liblttng_ust_java_la_SOURCES = LTTngUst.c > >> org_lttng_ust_LTTngUst.h lttng_ust_jav > >> dist_noinst_DATA = LTTngUst.java > >> liblttng_ust_java_la_LIBADD = -lc -L$(top_builddir)/liblttng-ust/.libs > >> -llttng-ust > >> > >> -all: LTTngUst.class org_lttng_ust_LTTngUst.h > >> +all: LTTngUst.class org_lttng_ust_LTTngUst.h liblttng-ust-java.jar > >> > >> clean-local: > >> - rm org_lttng_ust_LTTngUst.h > >> + rm org_lttng_ust_LTTngUst.h > >> + rm liblttng-ust-java.jar > >> rm -rf org/ > >> > >> LTTngUst.class: LTTngUst.java > >> @@ -19,4 +20,7 @@ LTTngUst.class: LTTngUst.java > >> org_lttng_ust_LTTngUst.h: LTTngUst.class > >> javah org.lttng.ust.LTTngUst > >> > >> +liblttng-ust-java.jar: LTTngUst.class > >> + jar cf liblttng-ust-java.jar org/* > >> + > >> endif > >> diff --git a/liblttng-ust-java/README b/liblttng-ust-java/README > >> index 37834e6..4b4d2c6 100644 > >> --- a/liblttng-ust-java/README > >> +++ b/liblttng-ust-java/README > >> @@ -10,3 +10,8 @@ dependency: openjdk-6-jdk > >> > >> dependency: gcj-4.4-jdk > >> ./configure --with-java-jdk=/usr/lib/jvm/java-gcj --with-jni-interface > >> + > >> + > >> +After building, you can use the liblttng-ust-java.jar file in a Java > >> project. > >> +It requires the liblttng-ust-java.so* files (which get installed when > >> doing > >> +`make install') so make sure those are in the linker's library path. > >> -- > >> 1.7.9.1 > >> > >> > >> _______________________________________________ > >> lttng-dev mailing list > >> [email protected] > >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
