xnu-1504.9.17.tar.gz

[apple/xnu.git] / bsd / sys / resource.h

diff --git a/bsd/sys/resource.h b/bsd/sys/resource.h
index 85829a914813a63af2e7aee22c826f5275da4ced..72c969c125a6bb86125ddfc739f27ba4415781a8 100644 (file)
--- a/bsd/sys/resource.h
+++ b/bsd/sys/resource.h
@@ -106,6 +106,7 @@ typedef __uint64_t  rlim_t;
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define        PRIO_DARWIN_THREAD      3               /* Second argument is always 0 (current thread) */
+#define        PRIO_DARWIN_PROCESS     4               /* Second argument is a PID */
 
 /*
  * Range limitations for the value of the third parameter to setpriority().
@@ -113,7 +114,8 @@ typedef __uint64_t  rlim_t;
 #define        PRIO_MIN        -20
 #define        PRIO_MAX        20
 
-/* use PRIO_DARWIN_BG to set the current thread into "background" state
+/* 
+ * use PRIO_DARWIN_BG to set the current thread into "background" state
  * which lowers CPU, disk IO, and networking priorites until thread terminates
  * or "background" state is revoked
  */