[lng-odp] [PATCH 4/4] example: hello: only call sched_setaffinity if available

[Nicolas Morey-Chaisemartin]

Signed-off-by: Nicolas Morey-Chaisemartin <nmo...@kalray.eu>
---
 example/hello/odp_hello.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/example/hello/odp_hello.c b/example/hello/odp_hello.c
index 6d114ee..9cb3498 100644
--- a/example/hello/odp_hello.c
+++ b/example/hello/odp_hello.c
@@ -58,8 +58,6 @@ int main(int argc, char *argv[])
 {
        odp_instance_t inst;
        options_t opt;
-       pid_t pid;
-       cpu_set_t cpu_set;
        int i;
 
        memset(&opt, 0, sizeof(opt));
@@ -69,14 +67,21 @@ int main(int argc, char *argv[])
        if (parse_args(argc, argv, &opt))
                return -1;
 
-       pid = getpid();
-       CPU_ZERO(&cpu_set);
-       CPU_SET(opt.cpu, &cpu_set);
+#ifdef HAVE_SCHED_SETAFFINITY
+       {
+               pid_t pid;
+               cpu_set_t cpu_set;
 
-       if (sched_setaffinity(pid, sizeof(cpu_set_t), &cpu_set)) {
-               printf("Set CPU affinity failed.\n");
-               return -1;
+               pid = getpid();
+               CPU_ZERO(&cpu_set);
+               CPU_SET(opt.cpu, &cpu_set);
+
+               if (sched_setaffinity(pid, sizeof(cpu_set_t), &cpu_set)) {
+                       printf("Set CPU affinity failed.\n");
+                       return -1;
+               }
        }
+#endif
 
        if (odp_init_global(&inst, NULL, NULL)) {
                printf("Global init failed.\n");
-- 
2.10.1.4.g0ffc436