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Mark Entropy class as nogc, add linux 64bit unittest

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Eugen Wissner 2017-06-17 08:58:44 +02:00 committed by GitHub
parent ec9b2db4b9
commit 56406fb593
1 changed files with 29 additions and 16 deletions
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45
source/tanya/math/random.d
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@ -54,17 +54,17 @@ abstract class EntropySource
/**
* Returns: Minimum bytes required from the entropy source.
*/
@property immutable(ubyte) threshold() const @safe pure nothrow;
@property ubyte threshold() const pure nothrow @safe @nogc;
/**
* Returns: Whether this entropy source is strong.
*/
@property immutable(bool) strong() const @safe pure nothrow;
@property bool strong() const pure nothrow @safe @nogc;
/**
* Returns: Amount of already generated entropy.
*/
@property ushort size() const @safe pure nothrow
@property ushort size() const pure nothrow @safe @nogc
{
return size_;
}
@ -74,7 +74,7 @@ abstract class EntropySource
* size = Amount of already generated entropy. Cannot be smaller than the
* already set value.
*/
@property void size(ushort size) @safe pure nothrow
@property void size(ushort size) pure nothrow @safe @nogc
{
size_ = size;
}
@ -89,12 +89,12 @@ abstract class EntropySource
* Returns: Number of bytes that were copied to the $(D_PARAM output)
* or $(D_PSYMBOL Nullable!ubyte.init) on error.
*/
Nullable!ubyte poll(out ubyte[maxGather] output);
Nullable!ubyte poll(out ubyte[maxGather] output) @nogc;
}
version (linux)
{
extern (C) long syscall(long number, ...) nothrow;
extern (C) long syscall(long number, ...) nothrow @system @nogc;
/**
* Uses getrandom system call.
@ -104,7 +104,7 @@ version (linux)
/**
* Returns: Minimum bytes required from the entropy source.
*/
override @property immutable(ubyte) threshold() const @safe pure nothrow
override @property ubyte threshold() const pure nothrow @safe @nogc
{
return 32;
}
@ -112,7 +112,7 @@ version (linux)
/**
* Returns: Whether this entropy source is strong.
*/
override @property immutable(bool) strong() const @safe pure nothrow
override @property bool strong() const pure nothrow @safe @nogc
{
return true;
}
@ -127,7 +127,7 @@ version (linux)
* Returns: Number of bytes that were copied to the $(D_PARAM output)
* or $(D_PSYMBOL Nullable!ubyte.init) on error.
*/
override Nullable!ubyte poll(out ubyte[maxGather] output) nothrow
override Nullable!ubyte poll(out ubyte[maxGather] output) nothrow @nogc
out (length)
{
assert(length <= maxGather);
@ -145,6 +145,18 @@ version (linux)
return ret;
}
}
version (X86_64)
{
private unittest
{
auto entropy = defaultAllocator.make!Entropy();
ubyte[blockSize] output;
output = entropy.random;
defaultAllocator.dispose(entropy);
}
}
}
/**
@ -177,7 +189,8 @@ class Entropy
* allocator = Allocator to allocate entropy sources available on the
* system.
*/
this(size_t maxSources = 20, shared Allocator allocator = defaultAllocator)
this(const size_t maxSources = 20,
shared Allocator allocator = defaultAllocator) @nogc
in
{
assert(maxSources > 0 && maxSources <= ubyte.max);
@ -196,7 +209,7 @@ class Entropy
/**
* Returns: Amount of the registered entropy sources.
*/
@property ubyte sourceCount() const @safe pure nothrow
@property ubyte sourceCount() const pure nothrow @safe @nogc
{
return sourceCount_;
}
@ -212,7 +225,7 @@ class Entropy
* See_Also:
* $(D_PSYMBOL EntropySource)
*/
Entropy opOpAssign(string Op)(EntropySource source) @safe pure nothrow
Entropy opOpAssign(string Op)(EntropySource source) pure nothrow @safe @nogc
if (Op == "~")
in
{
@ -230,7 +243,7 @@ class Entropy
* Throws: $(D_PSYMBOL EntropyException) if no strong entropy source was
* registered or it failed.
*/
@property ubyte[blockSize] random()
@property ubyte[blockSize] random() @nogc
in
{
assert(sourceCount_ > 0, "No entropy sources defined.");
@ -301,13 +314,13 @@ class Entropy
*/
protected void update(in ubyte sourceId,
ref ubyte[maxGather] data,
ubyte length) @safe pure nothrow
ubyte length) pure nothrow @safe @nogc
{
ubyte[2] header;
if (length > blockSize)
{
data[0..64] = sha512Of(data);
data[0 .. 64] = sha512Of(data);
length = blockSize;
}
@ -315,6 +328,6 @@ class Entropy
header[1] = length;
accumulator.put(header);
accumulator.put(data[0..length]);
accumulator.put(data[0 .. length]);
}
}