85 lines
1.5 KiB
C
85 lines
1.5 KiB
C
/* $NetBSD: t_renamerace.c,v 1.5 2009/04/14 10:19:39 pooka Exp $ */
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/*
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* Modified for rump and atf from a program supplied
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* by Nicolas Joly in kern/40948
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*/
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <atf-c.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include <rump/ukfs.h>
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#include <fs/tmpfs/tmpfs_args.h>
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#include "../../h_macros.h"
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ATF_TC(renamerace);
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ATF_TC_HEAD(renamerace, tc)
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{
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atf_tc_set_md_var(tc, "descr", "rename(2) race against files "
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"unlinked mid-operation, kern/41128");
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}
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static void *
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w1(void *arg)
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{
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int fd;
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for (;;) {
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fd = rump_sys_open("/rename.test1",
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O_WRONLY|O_CREAT|O_TRUNC, 0666);
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rump_sys_unlink("/rename.test1");
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rump_sys_close(fd);
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}
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return NULL;
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}
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static void *
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w2(void *arg)
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{
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for (;;) {
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rump_sys_rename("/rename.test1", "/rename.test2");
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}
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return NULL;
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}
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ATF_TC_BODY(renamerace, tc)
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{
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struct tmpfs_args args;
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struct ukfs *fs;
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pthread_t pt1, pt2;
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memset(&args, 0, sizeof(args));
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args.ta_version = TMPFS_ARGS_VERSION;
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args.ta_root_mode = 0777;
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ukfs_init();
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fs = ukfs_mount(MOUNT_TMPFS, "tmpfs", UKFS_DEFAULTMP, 0,
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&args, sizeof(args));
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if (fs == NULL)
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atf_tc_fail_errno("could not mount tmpfs");
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pthread_create(&pt1, NULL, w1, fs);
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pthread_create(&pt2, NULL, w2, fs);
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sleep(10);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, renamerace);
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return 0; /*XXX?*/
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}
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