NAME
filter_wait - wrap waitpid to decode the exitcode and why your filter
quit
SYNOPSIS
#include <util/filter.h>
NEOERR *filter_wait(pid_t pid, int options, int *exitcode);
ARGUMENTS
pid -> the process identifier to wait for
options -> the options to pass to waitpid (see wait(2))
DESCRIPTION
filter_wait wraps the waitpid call and raises an error (with
description) if the call failed. Note that if the ask for the exitcode
and the process exited with a code other than zero, we don’t raise an
error. If you don’t ask for the exitcode, and it is non-zero, we raise
an error
RETURN VALUE
exitcode -> the exitcode if the process existed normally
SEE ALSO
filter_wait(3), filter_create_fp(3), filter_create_fd