From 5e5ff5f08d4a810ea1b8f690d0af7c1afbfc9d4b Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Mon, 21 Apr 2014 13:52:09 -0500
Subject: [PATCH] Make get_devices() return an empty list instead of erroring
out (reported by Tomasz Rybak)
---
src/wrapper/wrap_cl.hpp | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/wrapper/wrap_cl.hpp b/src/wrapper/wrap_cl.hpp
index 0ec76c30..02ba206d 100644
--- a/src/wrapper/wrap_cl.hpp
+++ b/src/wrapper/wrap_cl.hpp
@@ -848,8 +848,16 @@ namespace pyopencl
inline py::list platform::get_devices(cl_device_type devtype)
{
cl_uint num_devices = 0;
- PYOPENCL_CALL_GUARDED(clGetDeviceIDs,
- (m_platform, devtype, 0, 0, &num_devices));
+ PYOPENCL_PRINT_CALL_TRACE("clGetDeviceIDs");
+ {
+ cl_int status_code;
+ status_code = clGetDeviceIDs(m_platform, devtype, 0, 0, &num_devices);
+ if (status_code != CL_DEVICE_NOT_FOUND)
+ num_devices = 0;
+ else if (status_code != CL_SUCCESS) \
+ throw pyopencl::error("clGetDeviceIDs", status_code);
+ }
+
if (num_devices == 0)
return py::list();
--
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