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Tidy up behaviour when select() is interrupted. We follow normal

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codepaths, just with no FDs set.

--HG--
branch : channel-fix
extra : convert_revision : d348546b80847bc0d42a7b5208bb31a54f1fdfaf
This commit is contained in:
Matt Johnston 2006-12-05 13:27:59 +00:00
parent 5b8a26f1d1
commit dd06653e53
1 changed files with 11 additions and 17 deletions
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24
common-session.c
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@ -143,28 +143,22 @@ void session_loop(void(*loophandler)()) {
dropbear_exit("Terminated by signal"); dropbear_exit("Terminated by signal");
} }
if (val < 0) { if (val < 0 && errno != EINTR) {
if (errno == EINTR) {
/* This must happen even if we've been interrupted, so that
* changed signal-handler vars can take effect etc */
if (loophandler) {
loophandler();
}
continue;
} else {
dropbear_exit("Error in select"); dropbear_exit("Error in select");
} }
if (val <= 0) {
/* If we were interrupted or the select timed out, we still
* want to iterate over channels etc for reading, to handle
* server processes exiting etc.
* We don't want to read/write FDs. */
FD_ZERO(&writefd);
FD_ZERO(&readfd);
} }
/* check for auth timeout, rekeying required etc */ /* check for auth timeout, rekeying required etc */
checktimeouts(); checktimeouts();
if (val == 0) {
/* timeout */
TRACE(("select timeout"))
continue;
}
/* process session socket's incoming/outgoing data */ /* process session socket's incoming/outgoing data */
if (ses.sock != -1) { if (ses.sock != -1) {
if (FD_ISSET(ses.sock, &writefd) && !isempty(&ses.writequeue)) { if (FD_ISSET(ses.sock, &writefd) && !isempty(&ses.writequeue)) {