X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/39c91f0841014013aae4757a715e11bf5a0036dd..cd69f8c66886ae218c6a9b38125b27fe157e6bb2:/src/xbt/xbt_os_thread.c

diff --git a/src/xbt/xbt_os_thread.c b/src/xbt/xbt_os_thread.c
index c9dd6910b9..b97d90e675 100644
--- a/src/xbt/xbt_os_thread.c
+++ b/src/xbt/xbt_os_thread.c
@@ -26,6 +26,11 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_sync_os, xbt,
 #include <limits.h>
 #include <semaphore.h>
 
+#ifdef CORE_BINDING
+#define _GNU_SOURCE
+#include <sched.h>
+#endif
+
 #ifdef HAVE_MUTEX_TIMEDLOCK
 /* redefine the function header since we fail to get this from system headers on amd (at least) */
 int pthread_mutex_timedlock(pthread_mutex_t * mutex,
@@ -193,6 +198,18 @@ xbt_os_thread_t xbt_os_thread_create(const char *name,
 }
 
 
+#ifdef CORE_BINDING
+int xbt_os_thread_bind(xbt_os_thread_t thread, int cpu){
+  pthread_t pthread = thread->t;
+  int errcode = 0;
+  cpu_set_t cpuset;
+  CPU_ZERO(&cpuset);
+  CPU_SET(cpu, &cpuset);
+  errcode = pthread_setaffinity_np(pthread, sizeof(cpu_set_t), &cpuset);
+  return errcode;
+}
+#endif
+
 void xbt_os_thread_setstacksize(int stack_size)
 {
   size_t alignment[] = {