debian-packages/eventcore
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Deprecate the non-nogc userData overload.

Browse source 
This allows more of the implementation to become nogc.
This commit is contained in:
Sönke Ludwig 2018-10-22 11:05:30 +02:00
parent 73abd867b4
commit 0b73eda8d5
1 changed files with 18 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
source/eventcore/driver.d
View file

@ -352,38 +352,34 @@ interface EventDriverSockets {
/** Retrieves a reference to a user-defined value associated with a descriptor.
*/
@property final ref T userData(T, FD)(FD descriptor) @trusted
if (!hasNoGCLifetime!T)
{
import std.conv : emplace;
static void init(void* ptr) { emplace(cast(T*)ptr); }
static void destr(void* ptr) { destroy(*cast(T*)ptr); }
return *cast(T*)rawUserData(descriptor, T.sizeof, &init, &destr);
}
/// ditto
@property final ref T userData(T, FD)(FD descriptor) @trusted @nogc
if (hasNoGCLifetime!T)
{
import std.conv : emplace;
static void init(void* ptr) @nogc { emplace(cast(T*)ptr); }
static void destr(void* ptr) @nogc { destroy(*cast(T*)ptr); }
scope getter = {
return cast(T*)rawUserData(descriptor, T.sizeof, &init, &destr);
};
static if (__traits(compiles, () nothrow @trusted { getter(); }))
return *(cast(T* delegate() @nogc nothrow)getter)();
else
return *(cast(T* delegate() @nogc)getter)();
return *cast(T*)rawUserData(descriptor, T.sizeof, &init, &destr);
}
/// ditto
deprecated("Only @nogc constructible and destructible user data allowed.")
@property final ref T userData(T, FD)(FD descriptor) @trusted
if (!hasNoGCLifetime!T)
{
import std.conv : emplace;
static void init(void* ptr) { emplace(cast(T*)ptr); }
static void destr(void* ptr) { destroy(*cast(T*)ptr); }
static if (__traits(compiles, () nothrow { init(null); destr(null); }))
alias F = void function(void*) @nogc nothrow;
else alias F = void function(void*) @nogc;
return *cast(T*)rawUserData(descriptor, T.sizeof, cast(F)&init, cast(F)&destr);
}
/// Low-level user data access. Use `getUserData` instead.
protected void* rawUserData(StreamSocketFD descriptor, size_t size, DataInitializer initialize, DataInitializer destroy) @system;
protected void* rawUserData(StreamSocketFD descriptor, size_t size, DataInitializer initialize, DataInitializer destroy) @system @nogc;
/// ditto
protected void* rawUserData(StreamListenSocketFD descriptor, size_t size, DataInitializer initialize, DataInitializer destroy) @system;
protected void* rawUserData(StreamListenSocketFD descriptor, size_t size, DataInitializer initialize, DataInitializer destroy) @system @nogc;
/// ditto
protected void* rawUserData(DatagramSocketFD descriptor, size_t size, DataInitializer initialize, DataInitializer destroy) @system;
protected void* rawUserData(DatagramSocketFD descriptor, size_t size, DataInitializer initialize, DataInitializer destroy) @system @nogc;
}
enum hasNoGCLifetime(T) = __traits(compiles, () @nogc @trusted { import std.conv : emplace; T b = void; emplace!T(&b); destroy(b); });
@ -668,7 +664,7 @@ alias EventCallback = void delegate(EventID);
alias SignalCallback = void delegate(SignalListenID, SignalStatus, int);
alias TimerCallback = void delegate(TimerID);
alias FileChangesCallback = void delegate(WatcherID, in ref FileChange change);
@system alias DataInitializer = void function(void*);
@system alias DataInitializer = void function(void*) @nogc;
enum ExitReason {
timeout,