Re: [PATCH kvm-unit-tests 4/4] Add sample test using the api test harness

Michael S. Tsirkin
2010-11-26T14:17:33Z

On Wed, Nov 24, 2010 at 12:52:13PM +0200, Avi Kivity wrote:
> Call a function setting a global variable.
>
> Signed-off-by: Avi Kivity <avi@redhat.com>
> ---
> config-x86-common.mak | 8 +++++++-
> x86/api-sample.cc | 23 +++++++++++++++++++++++
> 2 files changed, 30 insertions(+), 1 deletions(-)
> create mode 100644 x86/api-sample.cc
>
> diff --git a/config-x86-common.mak b/config-x86-common.mak
> index 0f3387b..4fef070 100644
> --- a/config-x86-common.mak
> +++ b/config-x86-common.mak
> @@ -29,6 +29,8 @@ 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 += $(TEST_DIR)/api-sample
> +
> tests_and_config = $(TEST_DIR)/*.flat $(TEST_DIR)/unittests.cfg
>
> test_cases: $(tests-common) $(tests)
> @@ -80,4 +82,8 @@ arch_clean:
>
> -include $(TEST_DIR)/.*.d lib/.*.d lib/x86/.*.d
>
> -api/%.o: CFLAGS += -m32
> \ No newline at end of file
> +api/%.o x86/api-sample.o x86/api-sample: CFLAGS += -m32
> +
> +x86/api-sample: LDLIBS += -lstdc++
> +
> +x86/api-sample: x86/api-sample.o api/kvmxx.o api/identity.o
> \ No newline at end of file
> diff --git a/x86/api-sample.cc b/x86/api-sample.cc
> new file mode 100644
> index 0000000..a603328
> --- /dev/null
> +++ b/x86/api-sample.cc
> @@ -0,0 +1,23 @@
> +
> +#include "api/kvmxx.h"
> +#include "api/identity.h"
> +#include "stdio.h"
> +
> +static int global = 0;
> +
> +static void set_global()
> +{
> + global = 1;
> +}
> +
> +int 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;
> +}

I note that no exceptions are caught. So any failure will get us a crash,
is there an indication what went wrong?

> --
> 1.7.1
>
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