intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 34 insertions, 0 deletions

diff --git a/library/cpp/terminate_handler/segv_handler.cpp b/library/cpp/terminate_handler/segv_handler.cpp
new file mode 100644
index 00000000000..f24ece41250
--- /dev/null
+++ b/library/cpp/terminate_handler/segv_handler.cpp
@@ -0,0 +1,34 @@
+#include <util/system/platform.h>
+#include <util/system/yassert.h>
+#include <util/stream/output.h>
+#include <util/system/backtrace.h>
+
+#ifdef _unix_
+#include <signal.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#endif
+
+#include "segv_handler.h"
+
+#ifndef _win_
+static void SegvHandler(int sig) {
+    Y_UNUSED(sig);
+    const char msg[] = "Got SEGV\n";
+    Y_UNUSED(write(STDERR_FILENO, msg, sizeof(msg)));
+    //PrintBackTrace();
+    sig_t r = signal(SIGSEGV, SIG_DFL);
+    if (r == SIG_ERR) {
+        abort();
+    }
+    // returning back and failing
+}
+#endif // !_win_
+
+void InstallSegvHandler() {
+#ifndef _win_
+    sig_t r = signal(SIGSEGV, &SegvHandler);
+    Y_VERIFY(r != SIG_ERR, "signal failed: %s", strerror(errno));
+#endif // !_win_
+}