From 1e980d6be0ef0e243c6fe82b5e855454b97e24a4 Mon Sep 17 00:00:00 2001
From: Yves-Alexis Perez <corsac@debian.org>
Date: Wed, 18 Nov 2015 14:49:27 +0100
Subject: Imported Upstream version 5.3.4

---
 src/libstrongswan/utils/compat/android.h | 31 +++++++++++++++++++++++++++++++
 src/libstrongswan/utils/compat/windows.h |  5 +++++
 src/libstrongswan/utils/utils.c          | 25 ++++++++++++++++++++++---
 src/libstrongswan/utils/utils.h          | 19 ++++++++++++++++++-
 4 files changed, 76 insertions(+), 4 deletions(-)
 create mode 100644 src/libstrongswan/utils/compat/android.h

(limited to 'src/libstrongswan/utils')

diff --git a/src/libstrongswan/utils/compat/android.h b/src/libstrongswan/utils/compat/android.h
new file mode 100644
index 000000000..b3ea9c475
--- /dev/null
+++ b/src/libstrongswan/utils/compat/android.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2010-2015 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup android android
+ * @{ @ingroup compat
+ */
+
+#ifndef ANDROID_H_
+#define ANDROID_H_
+
+/* stuff defined in AndroidConfig.h, which is included using the -include
+ * command-line option, thus cannot be undefined using -U CFLAGS options.
+ * the reason we have to undefine these flags in the first place, is that
+ * AndroidConfig.h defines them as 0, which in turn means that they are
+ * actually defined. */
+#undef HAVE_BACKTRACE
+
+#endif /** ANDROID_H_ @}*/
diff --git a/src/libstrongswan/utils/compat/windows.h b/src/libstrongswan/utils/compat/windows.h
index fd4f1f196..f7e6207a5 100644
--- a/src/libstrongswan/utils/compat/windows.h
+++ b/src/libstrongswan/utils/compat/windows.h
@@ -220,6 +220,11 @@ static inline int setenv(const char *name, const char *value, int overwrite)
  */
 #define RTLD_LAZY 1
 
+/**
+ * Immediate binding, ignored on Windows
+ */
+#define RTLD_NOW 2
+
 /**
  * Default handle targeting .exe
  */
diff --git a/src/libstrongswan/utils/utils.c b/src/libstrongswan/utils/utils.c
index b4a4db802..47d72ee98 100644
--- a/src/libstrongswan/utils/utils.c
+++ b/src/libstrongswan/utils/utils.c
@@ -20,6 +20,7 @@
 #include <unistd.h>
 #include <limits.h>
 #include <ctype.h>
+#include <errno.h>
 #ifndef WIN32
 # include <signal.h>
 #endif
@@ -117,17 +118,35 @@ void wait_sigint()
 void wait_sigint()
 {
 	sigset_t set;
-	int sig;
 
 	sigemptyset(&set);
 	sigaddset(&set, SIGINT);
 	sigaddset(&set, SIGTERM);
 
 	sigprocmask(SIG_BLOCK, &set, NULL);
-	sigwait(&set, &sig);
+	sigwaitinfo(&set, NULL);
 }
 
-#endif
+#ifndef HAVE_SIGWAITINFO
+int sigwaitinfo(const sigset_t *set, void *info)
+{
+	int sig, err;
+
+	if (info)
+	{	/* we don't replicate siginfo_t, fail if anybody tries to use it */
+		errno = EINVAL;
+		return -1;
+	}
+	err = sigwait(set, &sig);
+	if (err != 0)
+	{
+		errno = err;
+		sig = -1;
+	}
+	return sig;
+}
+#endif /* HAVE_SIGWAITINFO */
+#endif /* WIN32 */
 
 #ifndef HAVE_CLOSEFROM
 /**
diff --git a/src/libstrongswan/utils/utils.h b/src/libstrongswan/utils/utils.h
index acc15c42a..18b17b120 100644
--- a/src/libstrongswan/utils/utils.h
+++ b/src/libstrongswan/utils/utils.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2014 Tobias Brunner
+ * Copyright (C) 2008-2015 Tobias Brunner
  * Copyright (C) 2008 Martin Willi
  * Hochschule fuer Technik Rapperswil
  *
@@ -38,6 +38,7 @@
 # include <netinet/in.h>
 # include <sched.h>
 # include <poll.h>
+# include <signal.h>
 #endif
 
 #include "utils/types.h"
@@ -56,6 +57,9 @@
 #ifdef __APPLE__
 # include "compat/apple.h"
 #endif
+#ifdef __ANDROID__
+# include "compat/android.h"
+#endif
 
 /**
  * Initialize utility functions
@@ -148,6 +152,19 @@ void utils_deinit();
  */
 #define ignore_result(call) { if(call){}; }
 
+#if !defined(HAVE_SIGWAITINFO) && !defined(WIN32)
+/**
+ * Block and wait for a set of signals
+ *
+ * We don't replicate the functionality of siginfo_t.  If info is not NULL
+ * -1 is returend and errno is set to EINVAL.
+ *
+ * @param set		set of signals to wait for
+ * @param info		must be NULL
+ */
+int sigwaitinfo(const sigset_t *set, void *info);
+#endif
+
 /**
  * Portable function to wait for SIGINT/SIGTERM (or equivalent).
  */
-- 
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