Need to actually output something, too.
The whole section for remap had gotten dropped from autoconf, with the
obvious results...
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
tftpd already requires sigaction() to compile, so there is no reason
to use anything else. It also allows for nicer combination of flags.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
POSIX apparently doesn't clearly specify the behavior of the saved ID
when calling setre*id(). If the system has setres*id() then use it to
make absolutely sure that the ID changes cannot be undone.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
bsd_signal() may not be defined, and there is really no reason to even
try to use it if sigaction() is avaiable; using sigaction() guarantees
the semantics we really want.
Replace uses of common variables with explicit instantiation and
extern declarations in a header file.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
