From: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon, 5 Dec 2016 02:34:56 +0000 (+0000)
Subject: affinity: pass 0 as a pid to sched_getaffinity
X-Git-Tag: v4.15~32
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=58d8f96c2509c8232654883a7acc0b77ea97cb2d;p=strace

affinity: pass 0 as a pid to sched_getaffinity

* affinity.c (get_cpuset_size): Pass 0 instead of getpid()
to sched_getaffinity.
---

diff --git a/affinity.c b/affinity.c
index 6e347ddd..0de53aeb 100644
--- a/affinity.c
+++ b/affinity.c
@@ -47,10 +47,9 @@ get_cpuset_size(void)
 		 * the kernel and find out the minimal valid cpuset size
 		 * without allocating any memory for the CPU affinity mask.
 		 */
-		pid_t pid = getpid();
 		cpuset_size = 128;
 		while (cpuset_size &&
-		       sched_getaffinity(pid, cpuset_size, NULL) == -1 &&
+		       sched_getaffinity(0, cpuset_size, NULL) == -1 &&
 		       EINVAL == errno) {
 			cpuset_size <<= 1;
 		}