Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 211 insertions, 0 deletions

diff --git a/unit/atf-src/tools/timers.cpp b/unit/atf-src/tools/timers.cpp
new file mode 100644
index 0000000..a5334f4
--- /dev/null
+++ b/unit/atf-src/tools/timers.cpp
@@ -0,0 +1,211 @@
+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2010 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#if defined(HAVE_CONFIG_H)
+#   include <config.h>
+#endif
+
+extern "C" {
+#include <sys/time.h>
+}
+
+#include <cassert>
+#include <cerrno>
+#include <csignal>
+#include <ctime>
+
+#include "defs.hpp"
+#include "exceptions.hpp"
+#include "signals.hpp"
+#include "timers.hpp"
+
+namespace impl = tools::timers;
+#define IMPL_NAME "tools::timers"
+
+#if !defined(HAVE_TIMER_T)
+static impl::timer* compat_handle;
+#endif
+
+// ------------------------------------------------------------------------
+// Auxiliary functions.
+// ------------------------------------------------------------------------
+
+#if defined(HAVE_TIMER_T)
+static
+void
+handler(const int signo ATF_DEFS_ATTRIBUTE_UNUSED, siginfo_t* si,
+        void* uc ATF_DEFS_ATTRIBUTE_UNUSED)
+{
+    impl::timer* timer = static_cast< impl::timer* >(si->si_value.sival_ptr);
+    timer->set_fired();
+    timer->timeout_callback();
+}
+#else
+static
+void
+handler(const int signo ATF_DEFS_ATTRIBUTE_UNUSED,
+        siginfo_t* si ATF_DEFS_ATTRIBUTE_UNUSED,
+        void* uc ATF_DEFS_ATTRIBUTE_UNUSED)
+{
+    compat_handle->set_fired();
+    compat_handle->timeout_callback();
+}
+#endif
+
+// ------------------------------------------------------------------------
+// The "timer" class.
+// ------------------------------------------------------------------------
+
+struct impl::timer::impl {
+#if defined(HAVE_TIMER_T)
+    ::timer_t m_timer;
+    ::itimerspec m_old_it;
+#else
+    ::itimerval m_old_it;
+#endif
+
+    struct ::sigaction m_old_sa;
+    volatile bool m_fired;
+
+    impl(void) : m_fired(false)
+    {
+    }
+};
+
+impl::timer::timer(const unsigned int seconds) :
+    m_pimpl(new impl())
+{
+    struct ::sigaction sa;
+    sigemptyset(&sa.sa_mask);
+    sa.sa_flags = SA_SIGINFO;
+    sa.sa_sigaction = ::handler;
+    if (::sigaction(SIGALRM, &sa, &m_pimpl->m_old_sa) == -1)
+        throw tools::system_error(IMPL_NAME "::timer::timer",
+                                "Failed to set signal handler", errno);
+
+#if defined(HAVE_TIMER_T)
+    struct ::sigevent se;
+    se.sigev_notify = SIGEV_SIGNAL;
+    se.sigev_signo = SIGALRM;
+    se.sigev_value.sival_ptr = static_cast< void* >(this);
+    se.sigev_notify_function = NULL;
+    se.sigev_notify_attributes = NULL;
+    if (::timer_create(CLOCK_MONOTONIC, &se, &m_pimpl->m_timer) == -1) {
+        ::sigaction(SIGALRM, &m_pimpl->m_old_sa, NULL);
+        throw tools::system_error(IMPL_NAME "::timer::timer",
+                                "Failed to create timer", errno);
+    }
+
+    struct ::itimerspec it;
+    it.it_interval.tv_sec = 0;
+    it.it_interval.tv_nsec = 0;
+    it.it_value.tv_sec = seconds;
+    it.it_value.tv_nsec = 0;
+    if (::timer_settime(m_pimpl->m_timer, 0, &it, &m_pimpl->m_old_it) == -1) {
+       ::sigaction(SIGALRM, &m_pimpl->m_old_sa, NULL);
+       ::timer_delete(m_pimpl->m_timer);
+        throw tools::system_error(IMPL_NAME "::timer::timer",
+                                "Failed to program timer", errno);
+    }
+#else
+    ::itimerval it;
+    it.it_interval.tv_sec = 0;
+    it.it_interval.tv_usec = 0;
+    it.it_value.tv_sec = seconds;
+    it.it_value.tv_usec = 0;
+    if (::setitimer(ITIMER_REAL, &it, &m_pimpl->m_old_it) == -1) {
+        ::sigaction(SIGALRM, &m_pimpl->m_old_sa, NULL);
+        throw tools::system_error(IMPL_NAME "::timer::timer",
+                                "Failed to program timer", errno);
+    }
+    assert(compat_handle == NULL);
+    compat_handle = this;
+#endif
+}
+
+impl::timer::~timer(void)
+{
+#if defined(HAVE_TIMER_T)
+    {
+        const int ret = ::timer_delete(m_pimpl->m_timer);
+        assert(ret != -1);
+    }
+#else
+    {
+        const int ret = ::setitimer(ITIMER_REAL, &m_pimpl->m_old_it, NULL);
+        assert(ret != -1);
+    }
+#endif
+    const int ret = ::sigaction(SIGALRM, &m_pimpl->m_old_sa, NULL);
+    assert(ret != -1);
+
+#if !defined(HAVE_TIMER_T)
+    compat_handle = NULL;
+#endif
+}
+
+bool
+impl::timer::fired(void)
+    const
+{
+    return m_pimpl->m_fired;
+}
+
+void
+impl::timer::set_fired(void)
+{
+    m_pimpl->m_fired = true;
+}
+
+// ------------------------------------------------------------------------
+// The "child_timer" class.
+// ------------------------------------------------------------------------
+
+impl::child_timer::child_timer(const unsigned int seconds, const pid_t pid,
+                               volatile bool& terminate) :
+    timer(seconds),
+    m_pid(pid),
+    m_terminate(terminate)
+{
+}
+
+impl::child_timer::~child_timer(void)
+{
+}
+
+void
+impl::child_timer::timeout_callback(void)
+{
+    static const timespec ts = { 1, 0 };
+    m_terminate = true;
+    ::kill(-m_pid, SIGTERM);
+    ::nanosleep(&ts, NULL);
+    if (::kill(-m_pid, 0) != -1)
+       ::kill(-m_pid, SIGKILL);
+}