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1.x: Add system property for disabling usage of Unsafe API #3829

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Merged
merged 1 commit into from
Apr 4, 2016
Merged

1.x: Add system property for disabling usage of Unsafe API #3829

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8 changes: 7 additions & 1 deletion src/main/java/rx/internal/util/unsafe/UnsafeAccess.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,13 +22,19 @@
/**
* All use of this class MUST first check that UnsafeAccess.isUnsafeAvailable() == true
* otherwise NPEs will happen in environments without "suc.misc.Unsafe" such as Android.
* <p>
* Note that you can force RxJava to not use Unsafe API by setting any value to System Property
* {@code rx.unsafe-disable}.
*/
public final class UnsafeAccess {
private UnsafeAccess() {
throw new IllegalStateException("No instances!");
}

public static final Unsafe UNSAFE;

private static final boolean DISABLED_BY_USER = System.getProperty("rx.unsafe-disable") != null;

static {
Unsafe u = null;
try {
Expand All @@ -48,7 +54,7 @@ private UnsafeAccess() {
}

public static boolean isUnsafeAvailable() {
return UNSAFE != null;
return UNSAFE != null && !DISABLED_BY_USER;
}

/*
Expand Down