commit dff08ced5685a0d1adb0ef875a15caca99556e1e
author Elliott Hughes <enh@google.com> Mon Oct 16 09:58:45 2017 -0700
committer Elliott Hughes <enh@google.com> Tue Oct 17 09:14:05 2017 -0700
tree 9b84626d5a3f8dec14c36ad7a42221b0e11a6f5a
parent bf886f621b7c5fb4f690fe182f42640410a32d5c

Add pthread_setschedprio.

Bug: http://b/26204555
Test: ran tests
Change-Id: Ic34062b9b6036a1ce2642a069514bab48a893338

libc/bionic/pthread_setschedparam.cpp

diff --git a/libc/bionic/pthread_setschedparam.cpp b/libc/bionic/pthread_setschedparam.cpp
index 3e80959..10826d1 100644
--- a/libc/bionic/pthread_setschedparam.cpp
+++ b/libc/bionic/pthread_setschedparam.cpp
@@ -27,9 +27,10 @@
  */
 
 #include <errno.h>
+#include <pthread.h>
+#include <sched.h>
 
 #include "private/ErrnoRestorer.h"
-#include "pthread_internal.h"
 
 int pthread_setschedparam(pthread_t t, int policy, const sched_param* param) {
   ErrnoRestorer errno_restorer;
@@ -39,3 +40,13 @@
 
   return (sched_setscheduler(tid, policy, param) == -1) ? errno : 0;
 }
+
+int pthread_setschedprio(pthread_t t, int priority) {
+  ErrnoRestorer errno_restorer;
+
+  pid_t tid = pthread_gettid_np(t);
+  if (tid == -1) return ESRCH;
+
+  sched_param param = { .sched_priority = priority };
+  return (sched_setparam(tid, &param) == -1) ? errno : 0;
+}