Merged patch for bug#38477

configure.in

@@ -2062,7 +2062,7 @@ AC_CHECK_FUNCS(alarm bcmp bfill bmove bsearch bzero \
   mkstemp mlockall perror poll pread pthread_attr_create mmap mmap64 getpagesize \
   pthread_attr_getstacksize pthread_attr_setprio pthread_attr_setschedparam \
   pthread_attr_setstacksize pthread_condattr_create pthread_getsequence_np \
-  pthread_key_delete pthread_rwlock_rdlock pthread_setprio \
+  pthread_key_delete pthread_rwlock_rdlock pthread_setprio pthread_setschedprio \
   pthread_setprio_np pthread_setschedparam pthread_sigmask readlink \
   realpath rename rint rwlock_init setupterm \
   shmget shmat shmdt shmctl sigaction sigemptyset sigaddset \

include/my_pthread.h

@@ -279,6 +279,8 @@ int sigwait(sigset_t *setp, int *sigp);		/* Use our implemention */
 #define my_pthread_setprio(A,B) pthread_setprio_np((A),(B))
 #elif defined(HAVE_PTHREAD_SETPRIO)
 #define my_pthread_setprio(A,B) pthread_setprio((A),(B))
+#elif defined(HAVE_PTHREAD_SETSCHEDPRIO)
+#define my_pthread_setprio(A,B) pthread_setschedprio((A),(B))
 #else
 extern void my_pthread_setprio(pthread_t thread_id,int prior);
 #endif