.\"  Automatically generated man page, do not edit
.TH nozzle_run_updown 3 2019-03-27 "kronosnet" "Kronosnet Programmer's Manual"
.SH NAME
nozzle_run_updown \- execute updown commands associated with a nozzle device. It is the application responsibility to call helper scripts before or after creating/destroying interfaces or IP addresses.
.SH SYNOPSIS
.nf
.B #include <libknet.h>
.sp
\fBint nozzle_run_updown\fP(
    \fBconst nozzle_t \fP\fInozzle\fP,
    \fBuint8_t        \fP\fIaction\fP,
    \fBchar *        *\fP\fIexec_string\fP
);
.fi
.SH DESCRIPTION
.PP
nozzle_run_updown nozzle - pointer to the nozzle struct
.PP
action - pre-up.d / up.d / down.d / post-down.d (see defines above)
.PP
exec_string - pointers to string to record executing action stdout/stderr. The string is malloc'ed, the caller needs to free the buffer. If the script generates no output this string might be NULL.
.SH RETURN VALUE
.PP
0 on success -1 on error and errno is set (sanity checks and internal calls. -2 on error from executing the shell scripts, and no errno is set. 
.SH SEE ALSO
.PP
.nh
.ad l
\fInozzle_close(3), \fInozzle_set_mtu(3), \fInozzle_get_fd(3), \fInozzle_get_mtu(3), \fInozzle_reset_mtu(3), \fInozzle_set_up(3), \fInozzle_get_ips(3), \fInozzle_set_down(3), \fInozzle_reset_mac(3), \fInozzle_get_handle_by_name(3), \fInozzle_open(3), \fInozzle_del_ip(3), \fInozzle_get_mac(3), \fInozzle_set_mac(3), \fInozzle_get_name_by_handle(3), \fInozzle_add_ip(3)
.ad
.hy
.SH "COPYRIGHT"
.PP
Copyright (C) 2010-2019 Red Hat, Inc. All rights reserved.