Disable core dumps for selftests that are meant to be crashing

Task-number: QTBUG-55155
Change-Id: I26a1461f35f916f3980fcb18cdddf3502e22fc90
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/testlib/qtestcase.cpp b/src/testlib/qtestcase.cpp
index f2a962408e..7b76f1f970 100644
--- a/src/testlib/qtestcase.cpp
+++ b/src/testlib/qtestcase.cpp
@@ -99,6 +99,7 @@
 #include <errno.h>
 #include <signal.h>
 #include <time.h>
+#include <sys/resource.h>
 #endif
 
 #if defined(Q_OS_MACX)
@@ -143,6 +144,22 @@ static bool debuggerPresent()
 #endif
 }
 
+static void disableCoreDump()
+{
+    bool ok = false;
+    const int disableCoreDump = qEnvironmentVariableIntValue("QTEST_DISABLE_CORE_DUMP", &ok);
+    if (ok && disableCoreDump == 1) {
+#if defined(Q_OS_UNIX)
+        struct rlimit limit;
+        limit.rlim_cur = 0;
+        limit.rlim_max = 0;
+        if (setrlimit(RLIMIT_CORE, &limit) != 0)
+            qWarning("Failed to disable core dumps: %d", errno);
+#endif
+    }
+}
+Q_CONSTRUCTOR_FUNCTION(disableCoreDump);
+
 static void stackTrace()
 {
     bool ok = false;