posix-threads.cc (_Jv_ThreadInterrupt): Re-enable interrupt of blocking IO via pthread_kill().

	* posix-threads.cc (_Jv_ThreadInterrupt): Re-enable interrupt of
	blocking IO via pthread_kill().
	* java/io/natFileDescriptorPosix.cc (write (jint)): Check for thread
	interrupted status flag only if ::write returned an error.
	(write (jbyteArray, jint, jint): Likewise.
	(read (jint)): Likewise.
	(read (jbyteArray, jint, jint): Likewise.

From-SVN: r45719