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CPU affinity support for solaris based systems #10230

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CPU affinity support for solaris based systems #10230

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2 changes: 1 addition & 1 deletion src/config.h
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Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,7 @@ int pthread_setname_np(const char *name);
#endif

/* Check if we can use setcpuaffinity(). */
#if (defined __linux || defined __NetBSD__ || defined __FreeBSD__ || defined __DragonFly__)
#if (defined __linux || defined __NetBSD__ || defined __FreeBSD__ || defined __DragonFly__) || defined(__sun)
#define USE_SETCPUAFFINITY
void setcpuaffinity(const char *cpulist);
#endif
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18 changes: 18 additions & 0 deletions src/setcpuaffinity.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,9 @@
#include <pthread.h>
#include <sched.h>
#endif
#ifdef __sun
#include <sys/pset.h>
#endif
#include "config.h"

#ifdef USE_SETCPUAFFINITY
Expand Down Expand Up @@ -82,15 +85,22 @@ void setcpuaffinity(const char *cpulist) {
#ifdef __NetBSD__
cpuset_t *cpuset;
#endif
#ifdef __sun
psetid_t cpuset;
#endif

if (!cpulist)
return;

#ifndef __sun
#ifndef __NetBSD__
CPU_ZERO(&cpuset);
#else
cpuset = cpuset_create();
#endif
#else
pset_create(&cpuset);
#endif

q = cpulist;
while (p = q, q = next_token(q, ','), p) {
Expand Down Expand Up @@ -125,10 +135,14 @@ void setcpuaffinity(const char *cpulist) {
return;

while (a <= b) {
#ifndef __sun
#ifndef __NetBSD__
CPU_SET(a, &cpuset);
#else
cpuset_set(a, cpuset);
#endif
#else
pset_assign(cpuset, a, NULL);
#endif
a += s;
}
Expand All @@ -150,6 +164,10 @@ void setcpuaffinity(const char *cpulist) {
pthread_setaffinity_np(pthread_self(), cpuset_size(cpuset), cpuset);
cpuset_destroy(cpuset);
#endif
#ifdef __sun
pset_bind(cpuset, P_PID, P_MYID, NULL);
pset_destroy(cpuset);
#endif
}

#endif /* USE_SETCPUAFFINITY */