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Improve behaviour when flushing out after a process has exited.

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--HG--
branch : channel-fix
extra : convert_revision : e73ee8f7ae404a9355685c30828a0ad4524031bc
This commit is contained in:
Matt Johnston
2007-02-09 10:43:16 +00:00
parent cda7af7ca2
commit f5ad5c1553
5 changed files with 84 additions and 13 deletions
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21
svr-chansession.c
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@@ -120,9 +120,21 @@ static void sesssigchild_handler(int UNUSED(dummy)) {
/* we use this to determine how pid exited */
exit->exitsignal = -1;
}
/* Make sure that the main select() loop wakes up */
while (1) {
/* EAGAIN means the pipe's full, so don't need to write anything */
/* isserver is just a random byte to write */
if (write(ses.signal_pipe[1], &ses.isserver, 1) == 1 || errno == EAGAIN) {
break;
}
if (errno == EINTR) {
continue;
}
dropbear_exit("error writing signal pipe");
}
}
sa_chld.sa_handler = sesssigchild_handler;
sa_chld.sa_flags = SA_NOCLDSTOP;
sigaction(SIGCHLD, &sa_chld, NULL);
@@ -244,16 +256,17 @@ static void closechansess(struct Channel *channel) {
unsigned int i;
struct logininfo *li;
TRACE(("enter closechansess"))
chansess = (struct ChanSess*)channel->typedata;
send_exitsignalstatus(channel);
TRACE(("enter closechansess"))
if (chansess == NULL) {
TRACE(("leave closechansess: chansess == NULL"))
return;
}
send_exitsignalstatus(channel);
m_free(chansess->cmd);
m_free(chansess->term);