Hello,
I experienced the following problem with mosh-1.2.3 on a virtual Debian
Linux box (using Xen): mosh-server terminated itself instantly after
starting. Using
$ mosh-server new -v
revealed the error message
"select: Function not implemented".
Looking into src/frontend/mosh-server.cc, src/util/select.h and
experimenting with the example provided by the select(2) manpage, it
seemed that the pselect syscall was not supported on my particular
system; but I did not dig further to find out why.
As a quick and dirty workaround, I modified src/util/select.h to use
select() instead of pselect(), see attached patch. This resulted in a
working and usable mosh-server, but I suspect this might very well cause
some undesirable consequences; use at your own risk.
To the developers: I'd be happy to provide additional information to fix
this properly.
Thanks!
Ingo
--- orig/mosh-1.2.3/src/util/select.h 2012-10-19 21:45:18.000000000 +0200
+++ mosh-1.2.3/src/util/select.h 2012-12-25 15:06:12.000000000 +0100
@@ -125,18 +125,18 @@
clear_got_signal();
got_any_signal = 0;
- struct timespec ts;
- struct timespec *tsp = NULL;
+ struct timeval ts;
+ struct timeval *tsp = NULL;
if ( timeout >= 0 ) {
// timeout in milliseconds
ts.tv_sec = timeout / 1000;
- ts.tv_nsec = 1000000 * (long( timeout ) % 1000);
+ ts.tv_usec = 1000 * (long( timeout ) % 1000);
tsp = &ts;
}
// negative timeout means wait forever
- int ret = ::pselect( max_fd + 1, &read_fds, NULL, &error_fds, tsp, &empty_sigset );
+ int ret = ::select( max_fd + 1, &read_fds, NULL, &error_fds, tsp );
if ( ( ret == -1 ) && ( errno == EINTR ) ) {
/* The user should process events as usual. */
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