From 00428859b66df7161ee4a0d3f55afaa03aa7a2c3 Mon Sep 17 00:00:00 2001 From: Matthias Andree <matthias.andree@gmx.de> Date: Sun, 6 Aug 2006 20:27:06 +0000 Subject: Mark K6 with additional question 'Why does fetchmail use SSL even though not configured?' Add R13. What does 'Interrupted system call' mean? svn path=/branches/BRANCH_6-3/; revision=4879 --- fetchmail-FAQ.html | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/fetchmail-FAQ.html b/fetchmail-FAQ.html index ed4445f9..dce7b38c 100644 --- a/fetchmail-FAQ.html +++ b/fetchmail-FAQ.html @@ -160,7 +160,7 @@ methods</h2> <a href="#K4">K4. What do I have to do to use the IMAP-GSS protocol?</a><br/> <a href="#K5">K5. How can I use fetchmail with SSL?</a><br/> <a href="#K6">K6. How can I tell fetchmail not to try TLS if the server - advertises it?</a><br/> + advertises it? Why does fetchmail use SSL even though not configured?</a><br/> <h2 id="C_R">Runtime fatal errors</h2> @@ -183,7 +183,8 @@ messages but before deleting them</a><br/> <a href="#R10">R10. Fetchmail is dying with SIGPIPE.</a><br/> <a href="#R11">R11. My server is hanging or emitting errors on CAPA.</a><br/> <a href="#R12">R12. Fetchmail isn't working and reports getaddrinfo - errors.</a> + errors.</a><br /> +<a href="#R13">R13. What does "Interrupted system call" mean?</a> <h2 id="C_H">Hangs and lockups</h2> @@ -2206,7 +2207,8 @@ a man-in-the-middle attack is in progress - or it might just mean that the server changed its key. It's up to you to determine which has happened.</p> <h2><a id="K6" name="K6">K6. How can I tell fetchmail not to use TLS - if the server advertises it?</a></h2> + if the server advertises it? Why does fetchmail use SSL even + though not configured?</a></h2> <p>Some servers advertise STLS (POP3) or STARTTLS (IMAP), and fetchmail will automatically attempt TLS negotiation if SSL was enabled at compile @@ -2482,6 +2484,19 @@ declaration <tt>auth password</tt> in your .fetchmailrc.</p> <tr><td>POP3+SSL</td><td>995</td></tr> </table></li></ol> +<h2><a id="R13" name="R13">R13. What does "Interrupted system call" + mean?</a></h2> + +<p>Fetchmail 6.3.5 and newer gave up on the older timeout handling which +could cause unstable behavior. Instead, timeouts now interrupt +long-running functions and are reported as "Interrupted system +call".</p> + +<p>While this loses accuracy of timeout reporting, there is +unfortunately no safe way for C to make extensive use of error +reporting, and the amount of code that would need to be added is too +large for a stable series as 6.3.X is.</p> + <hr/> <h1>Hangs and lockups</h1> <h2><a id="H1" name="H1">H1. Fetchmail hangs when used with -- cgit v1.2.3