Use write_message instead of write

In the test cases, there are writes to stdout which do not check the result
value.  This patch replaces such occurrences with calls to write_message,
which properly deals with the unused result.

Tested for powerpc64le.

5 files changed, 37 insertions, 26 deletions

diff --git a/ChangeLog b/ChangeLog
index 18d74ba3b4..8f12ff1524 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2016-11-07  Gabriel F. T. Gomes  <gftg@linux.vnet.ibm.com>
+
+	* nptl/tst-kill3.c (handler): Use write_message in place of write.
+	* nptl/tst-kill6.c (handler): Likewise.
+	* nptl/tst-tls2.c (CB): Likewise.
+	* nptl/tst-tls3.c (CB): Likewise.
+
 2016-11-07  Joseph Myers  <joseph@codesourcery.com>
 
 	* scripts/check-installed-headers.sh: Ignore sys/sysctl.h for x32.
diff --git a/nptl/tst-kill3.c b/nptl/tst-kill3.c
index 308cc5a24d..86f3c6c6a2 100644
--- a/nptl/tst-kill3.c
+++ b/nptl/tst-kill3.c
@@ -25,6 +25,12 @@
 #include <sys/time.h>
 
 
+static int do_test (void);
+
+#define TIMEOUT 5
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
 static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
 static pthread_barrier_t b;
@@ -33,7 +39,7 @@ static pthread_barrier_t b;
 static void
 handler (int sig)
 {
-  write (1, "handler called\n", 15);
+  write_message ("handler called\n");
   _exit (1);
 }
 
@@ -151,8 +157,3 @@ do_test (void)
 
   return 0;
 }
-
-
-#define TIMEOUT 5
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
diff --git a/nptl/tst-kill6.c b/nptl/tst-kill6.c
index 80a0771808..2a9add27ad 100644
--- a/nptl/tst-kill6.c
+++ b/nptl/tst-kill6.c
@@ -25,6 +25,11 @@
 #include <unistd.h>
 
 
+static int do_test (void);
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
 static pthread_t receiver;
 static sem_t sem;
 static pthread_barrier_t b;
@@ -34,19 +39,19 @@ handler (int sig)
 {
   if (sig != SIGUSR1)
     {
-      write (STDOUT_FILENO, "wrong signal\n", 13);
+      write_message ("wrong signal\n");
       _exit (1);
     }
 
   if (pthread_self () != receiver)
     {
-      write (STDOUT_FILENO, "not the intended receiver\n", 26);
+      write_message ("not the intended receiver\n");
       _exit (1);
     }
 
   if (sem_post (&sem) != 0)
     {
-      write (STDOUT_FILENO, "sem_post failed\n", 16);
+      write_message ("sem_post failed\n");
       _exit (1);
     }
 }
@@ -155,7 +160,3 @@ do_test (void)
 
   return 0;
 }
-
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
diff --git a/nptl/tst-tls2.c b/nptl/tst-tls2.c
index eb6d8a336b..054ab80172 100644
--- a/nptl/tst-tls2.c
+++ b/nptl/tst-tls2.c
@@ -29,13 +29,18 @@
 static pthread_t th[N];
 
 
+static int do_test (void);
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
 #define CB(n) \
 static void								      \
 cb##n (void)								      \
 {									      \
   if (th[n] != pthread_self ())						      \
     {									      \
-      write (STDOUT_FILENO, "wrong callback\n", 15);			      \
+      write_message ("wrong callback\n");				      \
       _exit (1);							      \
     }									      \
 }
@@ -67,7 +72,7 @@ handler (int sig)
 {
   if (sig != THE_SIG)
     {
-      write (STDOUT_FILENO, "wrong signal\n", 13);
+      write_message ("wrong signal\n");
       _exit (1);
     }
 
@@ -75,7 +80,7 @@ handler (int sig)
 
   if (sem_post (&s) != 0)
     {
-      write (STDOUT_FILENO, "sem_post failed\n", 16);
+      write_message ("sem_post failed\n");
       _exit (1);
     }
 }
@@ -199,7 +204,3 @@ do_test (void)
 
   return 0;
 }
-
-
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"
diff --git a/nptl/tst-tls3.c b/nptl/tst-tls3.c
index 649cb8f0d5..4b96974398 100644
--- a/nptl/tst-tls3.c
+++ b/nptl/tst-tls3.c
@@ -39,13 +39,19 @@ static long stack_size_in_mb;
 static pthread_t th[N];
 
 
+static int do_test (void);
+
+#define TIMEOUT 5
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
 #define CB(n) \
 static void								      \
 cb##n (void)								      \
 {									      \
   if (th[n] != pthread_self ())						      \
     {									      \
-      write (STDOUT_FILENO, "wrong callback\n", 15);			      \
+      write_message ("wrong callback\n");				      \
       _exit (1);							      \
     }									      \
 }
@@ -207,8 +213,3 @@ do_test (void)
 
   return 0;
 }
-
-
-#define TIMEOUT 5
-#define TEST_FUNCTION do_test ()
-#include "../test-skeleton.c"