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Code Issues Releases Wiki Activity

ircd:🆑 Add non-throwing 'maybe' feature for CL info/call templates.

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This commit is contained in:
Jason Volk 2022-03-05 12:28:07 -08:00
parent af4d722ec3
commit 24b6ee8f57
1 changed files with 45 additions and 16 deletions
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61
ircd/cl.cc
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@ -17,9 +17,9 @@ namespace ircd::cl
{ {
static bool is_error(const int &code) noexcept; static bool is_error(const int &code) noexcept;
static int throw_on_error(const int &code); static int throw_on_error(const int &code);
template<class func, class... args> static int call(func&&, args&&...); template<int maybe = CL_SUCCESS, class func, class... args> static int call(func&&, args&&...);
template<class T = string_view, class F, class id, class param> static T info(F&&, const id &, const param &, const mutable_buffer &); template<class T = string_view, int maybe = CL_SUCCESS, class F, class id, class param> static T info(F&&, const id &, const param &, const mutable_buffer &, T default_ = {});
template<class T = string_view, class F, class id0, class id1, class param> static T info(F&&, const id0 &, const id1 &, const param &, const mutable_buffer &); template<class T = string_view, int maybe = CL_SUCCESS, class F, class id0, class id1, class param> static T info(F&&, const id0 &, const id1 &, const param &, const mutable_buffer &, T default_ = {});
static uint query_warp_size(cl_context, cl_device_id); static uint query_warp_size(cl_context, cl_device_id);
} }
@ -2648,29 +2648,42 @@ noexcept
// //
template<class T, template<class T,
int maybe,
class F, class F,
class id, class id0,
class param> class param>
T T
ircd::cl::info(F&& func, ircd::cl::info(F&& func,
const id &i, const id0 &i0,
const param &p, const param &p,
const mutable_buffer &out) const mutable_buffer &out,
T default_)
{ {
using ircd::data; using ircd::data;
using ircd::size; using ircd::size;
size_t len {0}; size_t len {0};
call(std::forward<F>(func), i, p, size(out), data(out), &len); const auto code
const string_view str
{ {
data(out), len call<maybe>(std::forward<F>(func), i0, p, size(out), data(out), &len)
}; };
return byte_view<T>(str); assert(code == CL_SUCCESS || code == maybe);
if constexpr(maybe != CL_SUCCESS)
if(code == maybe)
return default_;
return byte_view<T>
{
string_view
{
data(out), len
}
};
} }
template<class T, template<class T,
int maybe,
class F, class F,
class id0, class id0,
class id1, class id1,
@ -2680,22 +2693,34 @@ ircd::cl::info(F&& func,
const id0 &i0, const id0 &i0,
const id1 &i1, const id1 &i1,
const param &p, const param &p,
const mutable_buffer &out) const mutable_buffer &out,
T default_)
{ {
using ircd::data; using ircd::data;
using ircd::size; using ircd::size;
size_t len {0}; size_t len {0};
call(std::forward<F>(func), i0, i1, p, size(out), data(out), &len); const auto code
const string_view str
{ {
data(out), len call<maybe>(std::forward<F>(func), i0, i1, p, size(out), data(out), &len)
}; };
return byte_view<T>(str); assert(code == CL_SUCCESS || code == maybe);
if constexpr(maybe != CL_SUCCESS)
if(code == maybe)
return default_;
return byte_view<T>
{
string_view
{
data(out), len
}
};
} }
template<class func, template<int maybe,
class func,
class... args> class... args>
int int
ircd::cl::call(func&& f, ircd::cl::call(func&& f,
@ -2706,6 +2731,10 @@ ircd::cl::call(func&& f,
f(std::forward<args>(a)...) f(std::forward<args>(a)...)
}; };
if constexpr(maybe != CL_SUCCESS)
if(ret == maybe)
return ret;
return throw_on_error(ret); return throw_on_error(ret);
} }