From: Woongsuk Cho <ws77.cho@samsung.com>
Date: Thu, 4 Oct 2018 23:11:31 +0000 (+0900)
Subject: assgin return value to unused variable to avoid build warning message
X-Git-Tag: accepted/tizen/unified/20181010.061750
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Ftags%2Faccepted%2Ftizen%2Funified%2F20181010.061750;p=platform%2Fcore%2Fdotnet%2Flauncher.git

assgin return value to unused variable to avoid build warning message
---

diff --git a/NativeLauncher/launcher/dotnet/dotnet_launcher.cc b/NativeLauncher/launcher/dotnet/dotnet_launcher.cc
index 9757464..c7e28e8 100644
--- a/NativeLauncher/launcher/dotnet/dotnet_launcher.cc
+++ b/NativeLauncher/launcher/dotnet/dotnet_launcher.cc
@@ -121,36 +121,39 @@ static void setEnvFromFile()
 	}
 }
 
+#define _unused(x) ((void)(x))
+
 struct sigaction sig_abrt_new;
 struct sigaction sig_abrt_old;
 
 static bool checkOnSigabrt = false;
+
 static void onSigabrt(int signum)
 {
-	// ignore return value of write().
-	// this function is called when process go to die
-	// there is no need to handle return value for logging.
-	write(2, "onSigabrt called\n", 17);
+	// use unused variable to avoid build warning
+	ssize_t ret = write(STDERR_FILENO, "onSigabrt called\n", 17);
 
 	if (checkOnSigabrt) {
-		write(2, "onSigabrt called again. go to exit\n", 35);
+		ret = write(STDERR_FILENO, "onSigabrt called again. go to exit\n", 35);
+		_unused(ret);
 		exit(0);
 	}
 
 	if (hasException()) {
-		write(2, "******************************************************\n", 55);
-		write(2, "Unhandled exception is occured. check application code\n", 55);
-		write(2, "******************************************************\n", 55);
+		ret = write(STDERR_FILENO, "******************************************************\n", 55);
+		ret = write(STDERR_FILENO, "Unhandled exception is occured. check application code\n", 55);
+		ret = write(STDERR_FILENO, "******************************************************\n", 55);
 	}
 
 	checkOnSigabrt = true;
 	if (sigaction(SIGABRT, &sig_abrt_old, NULL) == 0) {
 		if (raise(signum) < 0) {
-			write(2, "Fail to raise SIGABRT\n", 22);
+			ret = write(STDERR_FILENO, "Fail to raise SIGABRT\n", 22);
 		}
 	} else {
-		write(2, "Fail to set original SIGABRT handler\n", 37);
+		ret = write(STDERR_FILENO, "Fail to set original SIGABRT handler\n", 37);
 	}
+	_unused(ret);
 }
 
 static void registerSigHandler()