Fix errno set by raise

* sysdeps/generic/raise.c: Include <signal.h> and <unistd.h>.
(raise): Only set errno when calling pthread_kill, not kill.

1 files changed, 12 insertions, 9 deletions

diff --git a/sysdeps/generic/raise.c b/sysdeps/generic/raise.c
index 15348ce..3c497da 100644
--- a/sysdeps/generic/raise.c
+++ b/sysdeps/generic/raise.c
@@ -19,6 +19,8 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <pthread.h>
+#include <signal.h>
+#include <unistd.h>
 
 #pragma weak pthread_kill
 #pragma weak pthread_self
@@ -29,17 +31,18 @@ raise (int signo)
      "the effect of the raise() function shall be equivalent to
      calling: pthread_kill(pthread_self(), sig);"  */
 
-  int err;
   if (pthread_kill)
-    err = pthread_kill (pthread_self (), signo);
-  else
-    err = __kill (__getpid (), signo);
-  if (err)
     {
-      errno = err;
-      return -1;
+      int err;
+      err = pthread_kill (pthread_self (), signo);
+      if (err)
+	{
+	  errno = err;
+	  return -1;
+	}
+      return 0;
     }
-
-  return 0;
+  else
+    return __kill (__getpid (), signo);
 }