This commit fixes a stale cleanup left by linux_mntns_access_fs.
gdb/ChangeLog:
* nat/linux-namespaces.c (linux_mntns_access_fs):
Do not overwrite old_chain.
* nat/linux-namespaces.c (setns): Rename from this ...
(do_setns): ... to this. Support calling setns if it exists.
(mnsh_handle_setns): Call do_setns.
This commit changes the debug printing code in linux-namespaces.c
to use pulongest instead of "%ld".
gdb/ChangeLog:
* nat/linux-namespaces.c (mnsh_send_message): Use pulongest.
(mnsh_recv_message): Likewise.
This commit fixes the following ARI warning:
gdb/nat/linux-namespaces.c:28: regression: Do not include
wait.h or sys/wait.h, instead include gdb_wait.h
gdb/ChangeLog:
* nat/linux-namespaces.c (gdb_wait.h): New include.
(sys/wait.h): Do not include.
