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extern/ustl/1.5/bvt/stdtest.cc

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+// This file is part of the uSTL library, an STL implementation.
+//
+// Copyright (c) 2005 by Mike Sharov <msharov@users.sourceforge.net>
+// This file is free software, distributed under the MIT License.
+
+#define _GNU_SOURCE 1
+#include "stdtest.h"
+#include <signal.h>
+#include <unistd.h>
+
+/// Called when a signal is received.
+static void OnSignal (int sig)
+{
+    static int doubleSignal = false;
+    if (!TestAndSet (&doubleSignal))
+	abort();
+    alarm (1);
+    cout.flush();
+    #if HAVE_STRSIGNAL
+	cerr.format ("Fatal error: %s received.\n", strsignal(sig));
+    #else
+	cerr.format ("Fatal error: system signal %d received.\n", sig);
+    #endif
+    cerr.flush();
+    exit (sig);
+}
+
+/// Called by the framework on unrecoverable exception handling errors.
+static void Terminate (void)
+{
+    assert (!"Unrecoverable exception handling error detected.");
+    raise (SIGABRT);
+    exit (EXIT_FAILURE);
+}
+
+/// Called when an exception violates a throw specification.
+static void OnUnexpected (void)
+{
+    cerr << "Fatal internal error: unexpected exception caught.\n";
+    Terminate();
+}
+
+/// Installs OnSignal as handler for signals.
+static void InstallCleanupHandlers (void)
+{
+    static const uint8_t c_Signals[] = {
+	SIGINT, SIGQUIT, SIGILL,  SIGTRAP, SIGABRT,
+	SIGIOT, SIGBUS,  SIGFPE,  SIGSEGV, SIGTERM,
+	SIGIO,  SIGCHLD
+    };
+    for (uoff_t i = 0; i < VectorSize(c_Signals); ++i)
+	signal (c_Signals[i], OnSignal);
+    std::set_terminate (Terminate);
+    std::set_unexpected (OnUnexpected);
+}
+
+int StdTestHarness (stdtestfunc_t testFunction)
+{
+    InstallCleanupHandlers();
+    int rv = EXIT_FAILURE;
+    try {
+	(*testFunction)();
+	rv = EXIT_SUCCESS;
+    } catch (ustl::exception& e) {
+	cout.flush();
+	cerr << "Error: " << e << endl;
+    } catch (...) {
+	cout.flush();
+	cerr << "Unexpected error." << endl;
+    }
+    return (rv);
+}