Add a dlopen test for toggle traces

Author: thilinarmtb

integration_tests/toggle.bats

@@ -14,10 +14,9 @@ get_unique_jobid() {
 }
 
 @test "toggle_api" {
-  rm -rf toggle_traces 2>/dev/null
-
   cc ${THAPI_INCFLAGS} ./integration_tests/toggle.c -o toggle ${THAPI_LDFLAGS}
 
+  rm -rf toggle_traces 2>/dev/null
   iprof --trace-output toggle_traces --no-analysis -- ./toggle
   dir=$(ls -d -1 ./toggle_traces/*/)
 
@@ -37,6 +36,12 @@ get_unique_jobid() {
   auto_stop_count=$(babeltrace_thapi -c $dir | grep lttng_ust_toggle:auto_stop | wc -l)
   [ "$auto_stop_count" -eq 1 ]
 
+  rm -rf toggle_traces 2>/dev/null
+  iprof --trace-output toggle_traces --no-analysis -- ./toggle
+  dir=$(ls -d -1 ./toggle_traces/*/)
+
+  auto_stop_count=$(babeltrace_thapi -c $dir | grep lttng_ust_toggle:auto_stop | wc -l)
+  [ "$auto_stop_count" -eq 1 ]
 }
 
 toggle_count_base() {

integration_tests/toggle.c

@@ -1,6 +1,19 @@
+#include <dlfcn.h>
+#include <stdlib.h>
+
 #include <thapi.h>
 
 int main(int argc, char *argv[]) {
+  int dlopen_test = (argc > 1 ? atoi(argv[1]): 0);
+  if (!dlopen_test) goto regular_test;
+
+  void *self = dlopen(NULL, RTLD_LAZY);
+  if (!self) return 1;
+  dlclose(self);
+
+regular_test:
   thapi_start();
   thapi_stop();
+
+	return 0;
 }