[COMMIT master] Add sample test using the api test harness

[Avi Kivity <avi@xxxxxxxxxx>]

From: Avi Kivity <avi@xxxxxxxxxx>

Call a function setting a global variable.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>

diff --git a/api/api-sample.cc b/api/api-sample.cc
new file mode 100644
index 0000000..8d57c09
--- /dev/null
+++ b/api/api-sample.cc
@@ -0,0 +1,29 @@
+
+#include "api/kvmxx.hh"
+#include "api/identity.hh"
+#include "api/exception.hh"
+#include "stdio.h"
+
+static int global = 0;
+
+static void set_global()
+{
+    global = 1;
+}
+
+int test_main(int ac, char** av)
+{
+    kvm::system system;
+    kvm::vm vm(system);
+    identity::setup_vm(vm);
+    kvm::vcpu vcpu(vm, 0);
+    identity::vcpu thread(vcpu, set_global);
+    vcpu.run();
+    printf("global %d\n", global);
+    return global == 1 ? 0 : 1;
+}
+
+int main(int ac, char** av)
+{
+    return try_main(test_main, ac, av);
+}
diff --git a/config-x86-common.mak b/config-x86-common.mak
index dde4f67..3e8e641 100644
--- a/config-x86-common.mak
+++ b/config-x86-common.mak
@@ -32,6 +32,8 @@ tests-common = $(TEST_DIR)/vmexit.flat $(TEST_DIR)/tsc.flat \
                $(TEST_DIR)/hypercall.flat $(TEST_DIR)/sieve.flat \
                $(TEST_DIR)/kvmclock_test.flat
 
+tests-common += api/api-sample
+
 tests_and_config = $(TEST_DIR)/*.flat $(TEST_DIR)/unittests.cfg
 
 test_cases: $(tests-common) $(tests)
@@ -82,3 +84,8 @@ arch_clean:
 	$(TEST_DIR)/.*.d $(TEST_DIR)/lib/.*.d $(TEST_DIR)/lib/*.o
 
 api/%.o: CFLAGS += -m32
+
+api/api-sample: LDLIBS += -lstdc++
+api/api-sample: LDFLAGS += -m32
+
+api/api-sample: api/api-sample.o api/kvmxx.o api/identity.o api/exception.o
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