Hi,
+-From: Tetsuo Handa <[EMAIL PROTECTED]> --
|_Date: Tue, 3 Jun 2008 21:27:43 +0900 __________________
|I'm trying to run shell commands via jsch.
|In the example at http://www.jcraft.com/jsch/examples/Exec.java
|I can see Thread.sleep(1000); within an infinite loop.
|Isn't the InputStream.read() blocking operation?
|Why can't we do simply like
| while(true) {
| int i = in.read(tmp, 0, 1024);
| if(i < 0) break;
| System.out.print(new String(tmp, 0, i));
| }
You know that, on some JVMs which adopt the Green Thread,
the blocking I/O will block other threads, unfortunately.
|And what's the difference between
|channel.isClosed() and channel.isEOF() ?
Please refer to RFC4254, Section 5.3 "Closing a Channel"
for meanings for CLOSE and EOF.
As for usage about them in Exec.java,
the exit-status code may not be sent even if EOF is given,
but it may be after accepting CLOSE, according to RFC4254.
[1] http://rfc.net/rfc4254.html
Sincerely,
--
Atsuhiko Yamanaka
JCraft,Inc.
1-14-20 HONCHO AOBA-KU,
SENDAI, MIYAGI 980-0014 Japan.
Tel +81-22-723-2150
+1-415-578-3454
Fax +81-22-224-8773
Skype callto://jcraft/
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