131 lines
2.2 KiB
C
131 lines
2.2 KiB
C
/* $NetBSD: t_renamerace.c,v 1.3 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 <stdlib.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 <ufs/ufs/ufsmount.h>
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#include "../../h_macros.h"
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ATF_TC_WITH_CLEANUP(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/40948");
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}
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int quit;
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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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while (!quit) {
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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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while (!quit)
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rump_sys_rename("/rename.test1", "/rename.test2");
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return NULL;
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}
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/* XXX: how to do cleanup if we use mkdtemp? */
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#define IMAGENAME "/tmp/ffsatf.img"
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static char image[MAXPATHLEN];
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ATF_TC_BODY(renamerace, tc)
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{
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struct ufs_args args;
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char cmd[256];
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struct ukfs *fs;
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pthread_t pt1, pt2;
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#if 0
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strcpy(image, TMPPATH);
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if (mkdtemp(image) == NULL)
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atf_tc_fail_errno("can't create tmpdir %s", TMPPATH);
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strcat(image, "/ffsatf.img");
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#else
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strcpy(image, IMAGENAME);
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#endif
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strcpy(cmd, "newfs -F -s 10000 ");
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strcat(cmd, image);
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if (system(cmd) == -1)
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atf_tc_fail_errno("newfs failed");
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memset(&args, 0, sizeof(args));
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args.fspec = image;
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ukfs_init();
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fs = ukfs_mount(MOUNT_FFS, "ffs", UKFS_DEFAULTMP,
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MNT_LOG, &args, sizeof(args));
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if (fs == NULL)
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atf_tc_fail_errno("ukfs_mount failed");
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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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quit = 1;
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pthread_join(pt1, NULL);
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pthread_join(pt2, NULL);
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ukfs_release(fs, 0);
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}
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ATF_TC_CLEANUP(renamerace, tc)
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{
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#if 0
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char *img;
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img = strrchr(image, '/');
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if (!img)
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return;
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printf("removing %s\n", img+1);
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unlink(img+1);
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*img = '\0';
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rmdir(img);
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#else
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unlink(IMAGENAME);
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#endif
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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; /* ??? */
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}
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