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