Index: include/hwloc.h
===================================================================
--- include/hwloc.h	(révision 3167)
+++ include/hwloc.h	(copie de travail)
@@ -1096,6 +1096,26 @@
 HWLOC_DECLSPEC int hwloc_get_thread_cpubind(hwloc_topology_t topology, hwloc_thread_t tid, hwloc_cpuset_t set, int flags);
 #endif
 
+/** \brief Get the CPU where the current process or thread runs.
+ *
+ * The operating may move some tasks from one processor
+ * to another at any time according to their binding,
+ * so this function may return something that is already
+ * outdated.
+ */
+HWLOC_DECLSPEC int hwloc_get_cpuexec(hwloc_topology_t topology, hwloc_cpuset_t set, int flags);
+
+/** \brief Get the CPU where a process currently runs.
+ *
+ * The operating may move some tasks from one processor
+ * to another at any time according to their binding,
+ * so this function may return something that is already
+ * outdated.
+ *
+ * \note HWLOC_CPUBIND_THREAD can not be used in \p flags.
+ */
+HWLOC_DECLSPEC int hwloc_get_proc_cpuexec(hwloc_topology_t topology, hwloc_pid_t pid, hwloc_cpuset_t set, int flags);
+
 /** @} */
 
 
Index: src/bind.c
===================================================================
--- src/bind.c	(révision 3167)
+++ src/bind.c	(copie de travail)
@@ -16,7 +16,9 @@
 #ifdef HAVE_MALLOC_H
 #  include <malloc.h>
 #endif
-
+#ifdef HWLOC_HAVE_GET_PROC_STATS
+#  include <proc/readproc.h>
+#endif
 #include <unistd.h>
 #include <stdlib.h>
 #include <errno.h>
@@ -152,6 +154,24 @@
 }
 #endif
 
+int
+hwloc_get_proc_cpuexec(hwloc_topology_t topology, hwloc_pid_t pid, hwloc_bitmap_t set, int flags)
+{
+#ifdef HWLOC_HAVE_GET_PROC_STATS
+  proc_t myproc;
+  if (get_proc_stats(pid, &myproc)) {
+    hwloc_bitmap_zero(set);
+    hwloc_bitmap_set(set, myproc.processor);
+    return 0;
+  } else {
+    return -1;
+  }
+#else
+  errno = ENOSYS;
+  return -1;
+#endif
+}
+
 static hwloc_const_nodeset_t
 hwloc_fix_membind(hwloc_topology_t topology, hwloc_const_nodeset_t nodeset)
 {
Index: src/Makefile.am
===================================================================
--- src/Makefile.am	(révision 3167)
+++ src/Makefile.am	(copie de travail)
@@ -100,13 +100,13 @@
 # Installable library
 
 libhwloc_la_SOURCES = $(sources)
-libhwloc_la_LDFLAGS = $(ldflags) -version-number $(libhwloc_so_version) $(HWLOC_XML_LIBS) $(HWLOC_LINUX_LIBNUMA_LIBS)
+libhwloc_la_LDFLAGS = $(ldflags) -version-number $(libhwloc_so_version) $(HWLOC_XML_LIBS) $(HWLOC_LINUX_LIBNUMA_LIBS) $(HWLOC_PROCPS_LIBS)
 
 # Embedded library (note the lack of a .so version number -- that
 # intentionally only appears in the installable library)
 
 libhwloc_embedded_la_SOURCES = $(sources)
-libhwloc_embedded_la_LDFLAGS = $(ldflags) $(HWLOC_XML_LIBS) $(HWLOC_LINUX_LIBNUMA_LIBS)
+libhwloc_embedded_la_LDFLAGS = $(ldflags) $(HWLOC_XML_LIBS) $(HWLOC_LINUX_LIBNUMA_LIBS) $(HWLOC_PROCPS_LIBS)
 
 # XML data (only install if we're building in standalone mode)
 
Index: config/hwloc.m4
===================================================================
--- config/hwloc.m4	(révision 3167)
+++ config/hwloc.m4	(copie de travail)
@@ -525,6 +525,14 @@
       ])
     ])
 
+    AC_CHECK_HEADERS([proc/readproc.h], [
+      AC_CHECK_LIB([proc], [get_proc_stats], [
+	enable_get_proc_stats=yes
+	AC_SUBST([HWLOC_PROCPS_LIBS], ["-lproc"])
+	AC_DEFINE([HWLOC_HAVE_GET_PROC_STATS], [1], [Define to 1 if get_proc_stats is available.])
+      ])
+    ])
+
     AC_CHECK_HEADERS([pthread_np.h])
     AC_CHECK_DECLS([pthread_setaffinity_np],,[:],[[
       #include <pthread.h>