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Index: libgomp/config/posix/proc.c
===================================================================
--- libgomp/config/posix/proc.c (revision 132391)
+++ libgomp/config/posix/proc.c (working copy)
@@ -40,16 +40,30 @@
# endif
#endif
+/* Count the CPU's currently available to this process. */
+#ifdef _SC_NPROCESSORS_ONLN
+static int
+count_avail_process_cpus (int def)
+{
+ int n;
+ n = sysconf (_SC_NPROCESSORS_ONLN);
+ if (n == -1)
+ return def;
+ else
+ return n;
+}
+#else
+# define count_avail_process_cpus(def) (def)
+#endif
+
/* At startup, determine the default number of threads. It would seem
this should be related to the number of cpus online. */
void
gomp_init_num_threads (void)
{
-#ifdef _SC_NPROCESSORS_ONLN
- gomp_nthreads_var = sysconf (_SC_NPROCESSORS_ONLN);
-#endif
+ gomp_nthreads_var = count_avail_process_cpus (1);
}
/* When OMP_DYNAMIC is set, at thread launch determine the number of
@@ -64,13 +78,9 @@
{
unsigned n_onln, loadavg;
-#ifdef _SC_NPROCESSORS_ONLN
- n_onln = sysconf (_SC_NPROCESSORS_ONLN);
+ n_onln = count_avail_process_cpus(gomp_nthreads_var);
if (n_onln > gomp_nthreads_var)
n_onln = gomp_nthreads_var;
-#else
- n_onln = gomp_nthreads_var;
-#endif
loadavg = 0;
#ifdef HAVE_GETLOADAVG
@@ -93,11 +103,7 @@
int
omp_get_num_procs (void)
{
-#ifdef _SC_NPROCESSORS_ONLN
- return sysconf (_SC_NPROCESSORS_ONLN);
-#else
- return gomp_nthreads_var;
-#endif
+ return count_avail_process_cpus (gomp_nthreads_var);
}
ialias (omp_get_num_procs)
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