From 62a984b46e08740d19cb055f01be3365982f6b9d Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 9 Jun 2011 11:38:40 +0300
Subject: [PATCH] Make Time::sleep void Check return value of nanosleep
 internally and throw if necessary

---
 source/time/utils.cpp | 9 ++++++---
 source/time/utils.h   | 2 +-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/source/time/utils.cpp b/source/time/utils.cpp
index 123b2d9..7da0aed 100644
--- a/source/time/utils.cpp
+++ b/source/time/utils.cpp
@@ -3,7 +3,9 @@
 #else
 #include <sys/resource.h>
 #include <sys/time.h>
+#include <cerrno>
 #endif
+#include <msp/core/systemerror.h>
 #include "datetime.h"
 #include "timedelta.h"
 #include "timestamp.h"
@@ -71,14 +73,15 @@ TimeDelta get_cpu_time()
 /**
 Sleeps for the given time.
 */
-int sleep(const TimeDelta &d)
+void sleep(const TimeDelta &d)
 {
 #ifndef WIN32
 	timespec ts = d;
-	return nanosleep(&ts, 0);
+	while(nanosleep(&ts, 0)==-1)
+		if(errno!=EINTR)
+			throw system_error("nanosleep");
 #else
 	Sleep((DWORD)(d/msec));
-	return 0;
 #endif
 }
 
diff --git a/source/time/utils.h b/source/time/utils.h
index 2916559..0a2b351 100644
--- a/source/time/utils.h
+++ b/source/time/utils.h
@@ -12,7 +12,7 @@ class TimeStamp;
 extern TimeStamp now();
 extern std::string format_now(const std::string &);
 extern TimeDelta get_cpu_time();
-extern int sleep(const TimeDelta &);
+extern void sleep(const TimeDelta &);
 
 } // namespace Time
 } // namespace Msp
-- 
2.43.0