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Replace usleep(500000) with a synchronization over a pipe.

This commit is contained in:
alnsn 2012-09-04 22:31:58 +00:00
parent 3413f0dfee
commit b8a85c6989
1 changed files with 12 additions and 3 deletions
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15
tests/net/icmp/t_ping.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_ping.c,v 1.14 2011/06/26 13:15:22 christos Exp $ */
/* $NetBSD: t_ping.c,v 1.15 2012/09/04 22:31:58 alnsn Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -29,7 +29,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: t_ping.c,v 1.14 2011/06/26 13:15:22 christos Exp $");
__RCSID("$NetBSD: t_ping.c,v 1.15 2012/09/04 22:31:58 alnsn Exp $");
#endif /* not lint */
#include <sys/types.h>
@ -68,6 +68,10 @@ ATF_TC_BODY(simpleping, tc)
char ifname[IFNAMSIZ];
pid_t cpid;
bool win, win2;
char token;
int channel[2];
RL(pipe(channel));
cpid = fork();
rump_init();
@ -78,13 +82,18 @@ ATF_TC_BODY(simpleping, tc)
atf_tc_fail_errno("fork failed");
case 0:
netcfg_rump_if(ifname, "1.1.1.10", "255.255.255.0");
close(channel[0]);
ATF_CHECK(write(channel[1], "U", 1) == 1);
close(channel[1]);
pause();
break;
default:
break;
}
usleep(500000);
close(channel[1]);
ATF_CHECK(read(channel[0], &token, 1) == 1 && token == 'U');
close(channel[0]);
netcfg_rump_if(ifname, "1.1.1.20", "255.255.255.0");