protected IRubyObject case_aware_op_aset(
ThreadContext context, IRubyObject key, final IRubyObject value, boolean caseSensitive) {
if (!key.respondsTo("to_str")) {
throw getRuntime().newTypeError("can't convert " + key.getMetaClass() + " into String");
}
if (!value.respondsTo("to_str") && !value.isNil()) {
throw getRuntime().newTypeError("can't convert " + value.getMetaClass() + " into String");
}
if (!caseSensitive) {
key = getCorrectKey(key, context);
}
if (value.isNil()) {
return super.delete(context, key, org.jruby.runtime.Block.NULL_BLOCK);
}
IRubyObject keyAsStr = normalizeEnvString(Helpers.invoke(context, key, "to_str"));
IRubyObject valueAsStr =
value.isNil()
? context.nil
: normalizeEnvString(Helpers.invoke(context, value, "to_str"));
if (updateRealENV) {
POSIX posix = context.runtime.getPosix();
String keyAsJava = keyAsStr.asJavaString();
// libc (un)setenv is not reentrant, so we need to synchronize across the entire JVM
// (JRUBY-5933)
if (valueAsStr == context.nil) {
synchronized (Object.class) {
posix.unsetenv(keyAsJava);
}
} else {
synchronized (Object.class) {
posix.setenv(keyAsJava, valueAsStr.asJavaString(), 1);
}
}
}
return super.op_aset(context, keyAsStr, valueAsStr);
}
public static boolean hasNonTTYInput() {
POSIX posix = POSIXFactory.getPOSIX();
return !posix.isatty(FileDescriptor.in);
}
