> 2009-03-17  Joel Brobecker  <brobecker@adacore.com>
> 
>         Add gdb_usleep as a portable version of sleep based on gdb_select.
> 
>         * gdb_usleep.h, gdb_usleep.c: New files.
>         * Makefile.in (SFILES): Add gdb_usleep.c.
>         (HFILES_NO_SRCDIR): Add gdb_usleep.h.
>         (COMMON_OBS): Add gdb_usleep.o.
>         * ser-unix.c (hardwire_send_break): Replace call to gdb_select
>         by call to gdb_usleep.

There were no objections, so here is what I ended up checking in.

There is one thing worth mentioning apart from the addition of the
missing #include of "gdb_usleep.h" from gdb_usleep.c that was caught
by Jan: I needed to add a #include of <sys/time.h> to get access to
struct timeval. I think it was on Tru64, IIRC.  The thing is, we
normally conditionalize the inclusion of system files like these
using #ifdef HAVE_SYS_TIME_H, but so far, we don't for <sys/time.h>.
See event-loop.c for instance. So I simply included it without
checking its availability.

-- 
Joel