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Create and use async_block() macro; it cuts down on the visual overhead

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of blocking on asynchronous operations, when that isn't an important
aspect of the code.
This commit is contained in:
Michael Brown
2007-01-16 08:10:54 +00:00
parent f11da20f25
commit ff8528ea9a
5 changed files with 54 additions and 28 deletions
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10
src/usr/dhcpmgmt.c
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@@ -20,6 +20,7 @@
#include <byteswap.h>
#include <vsprintf.h>
#include <gpxe/in.h>
#include <gpxe/ip.h>
#include <gpxe/dhcp.h>
#include <gpxe/async.h>
#include <gpxe/netdevice.h>
@@ -65,13 +66,8 @@ int dhcp ( struct net_device *netdev ) {
printf ( "DHCP (%s %s)...", netdev->name, netdev_hwaddr ( netdev ) );
memset ( &dhcp, 0, sizeof ( dhcp ) );
dhcp.netdev = netdev;
async_init_orphan ( &async );
if ( ( rc = start_dhcp ( &dhcp, &async ) ) != 0 ) {
printf ( "could not start (%s)\n", strerror ( rc ) );
return rc;
}
async_wait ( &async, &rc, 1 );
if ( rc != 0 ) {
if ( ( rc = async_block ( &async,
start_dhcp ( &dhcp, &async ) ) ) != 0 ) {
printf ( "failed (%s)\n", strerror ( rc ) );
return rc;
}