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src/java.base/unix/native/libjava/FileDescriptor_md.c

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*** 68,72 **** --- 68,78 ---- JNIEXPORT jboolean JNICALL Java_java_io_FileDescriptor_getAppend(JNIEnv *env, jclass fdClass, jint fd) { int flags = fcntl(fd, F_GETFL); return ((flags & O_APPEND) == 0) ? JNI_FALSE : JNI_TRUE; } + + JNIEXPORT jboolean JNICALL + Java_java_io_FileDescriptor_getDirect(JNIEnv *env, jclass fdClass, jint fd) { + int flags = fcntl(fd, F_GETFL); + return ((flags & O_DIRECT) == 0) ? JNI_FALSE : JNI_TRUE; + }
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