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When the first signal arrives, tevent_common_signal_handler() crashed: "ev" is
initialized to NULL, so the first "write(ev->pipe_fds[1], &c, 1);" dereferences
NULL.
Rusty, Tridge, please check. Also, can you tell me a bit more about the
environment you tested this in? I'd be curious to see where this survived.
Thanks,
Volker
This patch builds out catia to allow fully configurable mappings,
including mappings from single byte to multi-byte characters.
Additionally, a much more complete list of vfs operations are now
covered.
Signed-off-by: Tim Prouty <tprouty@samba.org>
This vop is designed to work in tandem with SMB_VFS_READDIR to allow
vfs modules to make modifications to arbitrary filenames before
they're consumed by callers. Subsequently the core directory
enumeration code in smbd is now changed to free the memory that may be
allocated in a module. This vop enables the new version of catia in
the following patch.
Signed-off-by: Tim Prouty <tprouty@samba.org>
The "hack_fds" were never closed before; now they're inside event_context
they should be closed when that is destroyed.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
I don't know if this is a problem in real life.
The code assumes there's only one tevent_context; all signals will notify
the first event context. That's counter-intuitive if you ever use more
than one, and there's nothing else in this code which prevents it AFAICT.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We carefully preserve the old signal handler, but we replace it before
we've set up everything; in particular, if we fail setting up the
pipe_hack we could write a NUL char to stdout (fd 0), instead of
calling the old signal handler.
Replace the signal handler as the very last thing we do.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
To be completely honest, I don't quite know whether to laugh or cry at
this one:
1 + (0xFFFFFFFF & ~(s.seen - s.count))
== 1 + (~(s.seen - s.count)) # s.seen, s.count are uint32_t
== s.count - s.seen # -A == ~A + 1
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
