@@ -779,6 +779,16 @@ static inline int platform_does_not_support_system(const char *command)
}
#endif /* !HAVE_SYSTEM_FUNCTION */
+/**
+ * If the load average was unobtainable, -1 is returned
+ */
+#ifndef HAVE_GETLOADAVG_FUNCTION
+static inline int getloadavg(double loadavg[], int nelem)
+{
+ return -1;
+}
+#endif /* !HAVE_GETLOADAVG_FUNCTION */
+
#ifdef __cplusplus
}
#endif
@@ -2254,6 +2254,7 @@ config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
+config_host_data.set('HAVE_GETLOADAVG_FUNCTION', cc.has_function('getloadavg', prefix: '#include <stdlib.h>'))
if rbd.found()
config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
cc.has_function('rbd_namespace_exists',
getloadavg is supported on Linux, BSDs, Solaris. Following man page: RETURN VALUE If the load average was unobtainable, -1 is returned; otherwise, the number of samples actually retrieved is returned. accordingly, make stub for systems which don't support this function return -1 for consistency. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- include/qemu/osdep.h | 10 ++++++++++ meson.build | 1 + 2 files changed, 11 insertions(+)