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Use correct getrandom linux syscall on non-x86_64

This commit is contained in:
Nathan Sashihara 2018-02-19 07:32:49 -05:00
parent bd2b88f16e
commit 7ee4af9e79
2 changed files with 13 additions and 10 deletions
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4
dub.json
View File

@ -9,6 +9,10 @@
"targetType": "library",
"dependencies-linux": {
"mir-linux-kernel": "~>1.0.0",
},
"configurations": [
{
"name": "library",

19
source/tanya/math/random.d
View File

@ -96,7 +96,8 @@ abstract class EntropySource
version (linux)
{
extern (C) long syscall(long number, ...) nothrow @system @nogc;
import core.stdc.config : c_long;
extern (C) c_long syscall(c_long number, ...) nothrow @system @nogc;
/**
* Uses getrandom system call.
@ -137,7 +138,8 @@ version (linux)
do
{
// int getrandom(void *buf, size_t buflen, unsigned int flags);
auto length = syscall(318, output.ptr, output.length, 0);
import mir.linux._asm.unistd : NR_getrandom;
auto length = syscall(NR_getrandom, output.ptr, output.length, 0);
Nullable!ubyte ret;
if (length >= 0)
@ -148,16 +150,13 @@ version (linux)
}
}
version (X86_64)
@nogc @system unittest
{
private unittest
{
auto entropy = defaultAllocator.make!Entropy();
ubyte[blockSize] output;
output = entropy.random;
auto entropy = defaultAllocator.make!Entropy();
ubyte[blockSize] output;
output = entropy.random;
defaultAllocator.dispose(entropy);
}
defaultAllocator.dispose(entropy);
}
}