rocrtst: Disable RLIMIT for negative queue tests

The negative queue tests generate an exception which triggers a coredump
generation. Disable RLIMIT so that the coredumps are not generated for
these tests.


[ROCm/ROCR-Runtime commit: 4cb6a6d45d]

projects/rocr-runtime/rocrtst/suites/negative/queue_validation.cc

@@ -123,6 +123,20 @@ void QueueValidation::SetUp(void) {
 
   TestBase::SetUp();
 
+  /* The queue exceptions will trigger a coredump. Set the limit to 0 to disable  */
+  if (getrlimit(RLIMIT_CORE, &rlimit_)) {
+    perror("Could not get system rlimit\n");
+  } else {
+    struct rlimit rlimit_set;
+
+    rlimit_set.rlim_cur = 0;
+    rlimit_set.rlim_max = 0;
+
+    /* Do not error if system does not allow disabling limit */
+    if (setrlimit(RLIMIT_CORE, &rlimit_set))
+      perror("Could not set core file size\n");
+  }
+
   err = rocrtst::SetDefaultAgents(this);
   ASSERT_EQ(HSA_STATUS_SUCCESS, err);
 
@@ -159,6 +173,10 @@ void QueueValidation::DisplayResults(void) const {
 }
 
 void QueueValidation::Close() {
+  /* Restore rlimit to initial value before test - do not error if fails */
+  if (setrlimit(RLIMIT_CORE, &rlimit_))
+      perror("Could not set core file size\n");
+
   // This will close handles opened within rocrtst utility calls and call
   // hsa_shut_down(), so it should be done after other hsa cleanup
   TestBase::Close();

projects/rocr-runtime/rocrtst/suites/negative/queue_validation.h

@@ -48,6 +48,8 @@
 #include "common/base_rocr.h"
 #include "hsa/hsa.h"
 #include "suites/test_common/test_base.h"
+#include <sys/resource.h>
+
 
 class QueueValidation : public TestBase {
  public:
@@ -93,6 +95,8 @@ class QueueValidation : public TestBase {
 
 
  private:
+  struct rlimit rlimit_; //value of rlimit before test starts
+
   void QueueValidationForInvalidDimension(hsa_agent_t cpuAgent, hsa_agent_t gpuAgent);
   void QueueValidationInvalidGroupMemory(hsa_agent_t cpuAgent, hsa_agent_t gpuAgent);
   void QueueValidationForInvalidKernelObject(hsa_agent_t cpuAgent, hsa_agent_t gpuAgent);