Although the sysconf SC_NPROCESSORS_ONLN is also defined by the API, the
only documented way to retrieve the number of CPUs is by using the syspage.
This also better organise the QNX-specific macros in adaint.c
Tested on x86_64-pc-linux-gnu, committed on trunk
2018-05-22 Jerome Lambourg <lambo...@adacore.com>
gcc/ada/
* adaint.c: Reorganize QNX-specific macros, use syspage to retreive the
number of CPUs.--- gcc/ada/adaint.c
+++ gcc/ada/adaint.c
@@ -39,7 +39,9 @@
#define _THREAD_SAFE
/* Use 64 bit Large File API */
-#ifndef _LARGEFILE_SOURCE
+#if defined (__QNX__)
+#define _LARGEFILE64_SOURCE 1
+#elif !defined(_LARGEFILE_SOURCE)
#define _LARGEFILE_SOURCE
#endif
#define _FILE_OFFSET_BITS 64
@@ -81,8 +83,8 @@
#define __BSD_VISIBLE 1
#endif
-#if defined (__QNX__)
-#define _LARGEFILE64_SOURCE 1
+#ifdef __QNX__
+#include <sys/syspage.h>
#endif
#ifdef IN_RTS
@@ -2350,9 +2352,12 @@ __gnat_number_of_cpus (void)
#if defined (__linux__) || defined (__sun__) || defined (_AIX) \
|| defined (__APPLE__) || defined (__FreeBSD__) || defined (__OpenBSD__) \
- || defined (__DragonFly__) || defined (__NetBSD__) || defined (__QNX__)
+ || defined (__DragonFly__) || defined (__NetBSD__)
cores = (int) sysconf (_SC_NPROCESSORS_ONLN);
+#elif defined (__QNX__)
+ cores = (int) _syspage_ptr->num_cpu;
+
#elif defined (__hpux__)
struct pst_dynamic psd;
if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1)
