File: filter_wait.3

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.TH filter_wait 3 "12 July 2007" "ClearSilver" "util/filter.h"

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.SH NAME
filter_wait  - wrap waitpid to decode the exitcode and why
your filter quit
.SH SYNOPSIS
.Ss
#include <util/filter.h>
.Se
.Ss
NEOERR *filter_wait(pid_t pid, int options, int *exitcode);

.Se

.SH ARGUMENTS
pid -> the process identifier to wait for
.br
options -> the options to pass to waitpid (see wait(2))

.SH 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

.SH "RETURN VALUE"
exitcode -> the exitcode if the process existed normally

.SH "SEE ALSO"
.BR filter_wait "(3), "filter_create_fp "(3), "filter_create_fd