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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2014 Joyent, Inc. All rights reserved.
*/
/*
* Verify that we can't allocate a handle when in an ENOMEM situation.
*/
#include <procfs.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/sysmacros.h>
#include <assert.h>
#include <strings.h>
#include <libvnd.h>
int
main(int argc, const char *argv[])
{
int fd;
int syserr;
vnd_errno_t vnderr;
vnd_handle_t *vhp;
pstatus_t status;
void *addr;
if (argc < 2) {
(void) fprintf(stderr, "missing arguments...\n");
return (1);
}
if (strlen(argv[1]) >= LIBVND_NAMELEN) {
(void) fprintf(stderr, "vnic name too long...\n");
return (1);
}
fd = open("/proc/self/status", O_RDONLY);
if (fd < 0)
exit(1);
if (read(fd, &status, sizeof (status)) != sizeof (status))
exit(1);
addr = mmap((caddr_t)P2ROUNDUP(status.pr_brkbase +
status.pr_brksize, 0x1000), 0x1000,
PROT_READ, MAP_ANON | MAP_FIXED | MAP_PRIVATE, -1, 0);
if (addr == (void *)-1) {
perror("mmap");
exit(1);
}
/* malloc an approximate size of the vnd_handle_t */
for (;;) {
void *buf;
buf = malloc(8);
if (buf == NULL)
break;
}
for (;;) {
void *buf;
buf = malloc(4);
if (buf == NULL)
break;
}
vhp = vnd_create(NULL, argv[1], argv[1], &vnderr, &syserr);
assert(vhp == NULL);
assert(vnderr == VND_E_NOMEM);
assert(syserr == 0);
return (0);
}
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