debian man page for filter_wait

filter_wait(3)							   util/filter.h						    filter_wait(3)

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

ClearSilver							   12 July 2007 						    filter_wait(3)