Fix raise thread-aware implementation

* sysdeps/generic/raise.c (pthread_kill): Make ref weak.
(raise): Only call pthread_kill when it is not NULL.  Call kill otherwise.

1 files changed, 6 insertions, 1 deletions

diff --git a/sysdeps/generic/raise.c b/sysdeps/generic/raise.c
index 7514d3b..3c21233 100644
--- a/sysdeps/generic/raise.c
+++ b/sysdeps/generic/raise.c
@@ -20,6 +20,7 @@
 
 #include <pthread.h>
 
+#pragma weak pthread_kill
 int
 raise (int signo)
 {
@@ -27,7 +28,11 @@ raise (int signo)
      "the effect of the raise() function shall be equivalent to
      calling: pthread_kill(pthread_self(), sig);"  */
 
-  int err = pthread_kill (pthread_self (), signo);
+  int err;
+  if (pthread_kill)
+    err = pthread_kill (pthread_self (), signo);
+  else
+    err = __kill (__getpid (), signo);
   if (err)
     {
       errno = err;