Revision: 54888
http://brlcad.svn.sourceforge.net/brlcad/?rev=54888&view=rev
Author: brlcad
Date: 2013-03-26 20:24:39 +0000 (Tue, 26 Mar 2013)
Log Message:
-----------
ws style comment cleanup
Modified Paths:
--------------
brlcad/trunk/src/libbu/affinity.c
Modified: brlcad/trunk/src/libbu/affinity.c
===================================================================
--- brlcad/trunk/src/libbu/affinity.c 2013-03-26 20:18:47 UTC (rev 54887)
+++ brlcad/trunk/src/libbu/affinity.c 2013-03-26 20:24:39 UTC (rev 54888)
@@ -3,7 +3,7 @@
*
* Copyright (c) 2004-2012 United States Government as represented by
* the U.S. Army Research Laboratory.
- *
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
@@ -32,64 +32,71 @@
# include <pthread.h>
#endif
-/*
- * bu_set_affinity
- *
- * Set affinity mask of current thread to the CPU set it is currently
+/**
+ * Set affinity mask of current thread to the CPU set it is currently
* running on. If it is not running on any CPUs in the set, it is
* migrated to CPU 0 by default.
- *
- * Return: 0 on Suceess
- * -1 on Failure
- *
+ *
+ * Return:
+ * 0 on Suceess
+ * -1 on Failure
+ *
*/
int
bu_set_affinity(void)
{
#if defined(_GNU_SOURCE) && defined(HAVE_PTHREAD_H)
-
+
int cpulim = bu_avail_cpus(); /* Max number of CPUs available for the
process */
int status; /* Status of thread setting/getting */
int cpu = 0; /* Default CPU number */
int j; /* Variable for iteration. */
- cpu_set_t cpuset; /* CPU set structure. Defined
in sched.h */
- pthread_t curr_thread = pthread_self(); /* Get current thread */
+ cpu_set_t cpuset; /* CPU set structure. Defined
in sched.h */
+ pthread_t curr_thread = pthread_self(); /* Get current thread */
CPU_ZERO(&cpuset);
- for(j = 0; j < cpulim; j++) { /* Set affinity mask to include CPUs 0 to
max available CPU */
+ for(j = 0; j < cpulim; j++) {
+ /* Set affinity mask to include CPUs 0 to max available CPU */
CPU_SET(j, &cpuset);
}
-
- status = pthread_getaffinity_np(curr_thread, sizeof(cpu_set_t), &cpuset);
/* Check current affinity mask assigned to thread */
- if(status != 0) { /* Error in getting affinity mask */
+ /* Check current affinity mask assigned to thread */
+ status = pthread_getaffinity_np(curr_thread, sizeof(cpu_set_t), &cpuset);
+
+ if(status != 0) {
+ /* Error in getting affinity mask */
return -1;
}
-
- for(j = 0; j < CPU_SETSIZE; j++) { /* Check which set has been returned
by pthread_get_affinity */
+
+ for(j = 0; j < CPU_SETSIZE; j++) {
+ /* Check which set has been returned by pthread_get_affinity */
if(CPU_ISSET(j, &cpuset)) {
- cpu = j;
- break; /* Break loop since CPU affinity mask has been found */
+ /* found affinity mask */
+ cpu = j;
+ break;
}
}
+ /* Clear CPU set and assign CPUs */
CPU_ZERO(&cpuset);
- CPU_SET(cpu, &cpuset); /* Clear CPU set and assign CPUs */
+ CPU_SET(cpu, &cpuset);
- status = pthread_setaffinity_np(curr_thread, sizeof(cpu_set_t), &cpuset);
/* Set affinity mask of the current */
-
/* thread to CPU set pointed by cpuset */
-
- if(status != 0) { /* Error in setting affinity mask */
+ /* set affinity mask of current thread */
+ status = pthread_setaffinity_np(curr_thread, sizeof(cpu_set_t), &cpuset);
+
+ if(status != 0) {
+ /* Error in setting affinity mask */
return -1;
}
#endif
- return 0;
+ return 0;
}
+
/*
* Local Variables:
* mode: C
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