tests: replace write by xwrite

Using write without cheks leads to warn unused result when __wur is
enabled.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

3 files changed, 8 insertions, 3 deletions

diff --git a/nptl/tst-stackguard1.c b/nptl/tst-stackguard1.c
index b9cf6844de..4ac57157e9 100644
--- a/nptl/tst-stackguard1.c
+++ b/nptl/tst-stackguard1.c
@@ -27,6 +27,8 @@
 #include <tls.h>
 #include <unistd.h>
 
+#include <support/xunistd.h>
+
 static const char *command;
 static bool child;
 static uintptr_t stack_chk_guard_copy;
@@ -96,7 +98,7 @@ do_test (void)
 	else if (ret != NULL)
 	  return 1;
 
-      write (2, &stack_chk_guard_copy, sizeof (stack_chk_guard_copy));
+      xwrite (2, &stack_chk_guard_copy, sizeof (stack_chk_guard_copy));
       return 0;
     }
 
diff --git a/nptl/tst-tls3.c b/nptl/tst-tls3.c
index b1a40c624a..33d94c8cc5 100644
--- a/nptl/tst-tls3.c
+++ b/nptl/tst-tls3.c
@@ -26,6 +26,8 @@
 #include <unistd.h>
 #include <pthreaddef.h>
 
+#include <support/xunistd.h>
+
 #define THE_SIG SIGUSR1
 
 /* The stack size can be overriden.  With a sufficiently large stack
diff --git a/nptl/tst-tls3mod.c b/nptl/tst-tls3mod.c
index c6e8910b1e..345a48e1c7 100644
--- a/nptl/tst-tls3mod.c
+++ b/nptl/tst-tls3mod.c
@@ -25,6 +25,7 @@
 #include <pthreaddef.h>
 #include <descr.h>
 
+#include <support/xunistd.h>
 
 extern pthread_barrier_t b;
 
@@ -43,7 +44,7 @@ handler (int sig)
 {
   if (sig != THE_SIG)
     {
-      write (STDOUT_FILENO, "wrong signal\n", 13);
+      xwrite (STDOUT_FILENO, "wrong signal\n", 13);
       _exit (1);
     }
 
@@ -51,7 +52,7 @@ handler (int sig)
 
   if (sem_post (&s) != 0)
     {
-      write (STDOUT_FILENO, "sem_post failed\n", 16);
+      xwrite (STDOUT_FILENO, "sem_post failed\n", 16);
       _exit (1);
     }
 }