static void
wrrd_after_unlink(const atf_tc_t *tc, const char *mp)
{
	int value = 0x11;
	int v2;
	int fd;

	FSTEST_ENTER();

	RL(fd = rump_sys_open("file", O_RDWR|O_CREAT, 0666));
	RL(rump_sys_unlink("file"));

	RL(rump_sys_pwrite(fd, &value, sizeof(value), 654321));

	/*
	 * We can't easily invalidate the buffer since we hold a
	 * reference, but try to get them to flush anyway.
	 */
	RL(rump_sys_fsync(fd));
	RL(rump_sys_pread(fd, &v2, sizeof(v2), 654321));
	rump_sys_close(fd);

	ATF_REQUIRE_EQ(value, v2);
	FSTEST_EXIT();
}
示例#2
0
文件: t_fd.c 项目: 2asoft/freebsd
ATF_TC_BODY(bigenough, tc)
{
	struct stat sb;

	RZ(system("rump_server " RUMPSERV));
	RL(setenv("RUMP_SERVER", RUMPSERV, 1));

	RL(dup2(0, 10));
	RL(dup2(1, 11));
	RL(dup2(2, 12));

	RL(close(0));
	RL(close(1));
	RL(close(2));

	RL(rumpclient_init());
	RL(rump_sys_getpid());

	ATF_REQUIRE_ERRNO(EBADF, fstat(0, &sb) == -1);
	ATF_REQUIRE_ERRNO(EBADF, fstat(1, &sb) == -1);
	ATF_REQUIRE_ERRNO(EBADF, fstat(2, &sb) == -1);

	RL(rump_sys_getpid());

	/* restore these.  does it help? */
	dup2(10, 0);
	dup2(11, 1);
	dup2(12, 2);
}
示例#3
0
文件: zend_list.cpp 项目: 6api/hhvm
static zend_rsrc_list_entry *zend_list_id_to_entry(int id TSRMLS_DC) {
  if (id < RL().size()) {
    return RL().at(id);
  } else {
    return NULL;
  }
}
static void
holywrite(const atf_tc_t *tc, const char *mp)
{
	char buf[1024];
	char *b2, *b3;
	size_t therange = getpagesize()+1;
	int fd;

	FSTEST_ENTER();

	RL(fd = rump_sys_open("file", O_RDWR|O_CREAT|O_TRUNC, 0666));

	memset(buf, 'A', sizeof(buf));
	RL(rump_sys_pwrite(fd, buf, 1, getpagesize()));

	memset(buf, 'B', sizeof(buf));
	RL(rump_sys_pwrite(fd, buf, 2, getpagesize()-1));

	REQUIRE_LIBC(b2 = malloc(2 * getpagesize()), NULL);
	REQUIRE_LIBC(b3 = malloc(2 * getpagesize()), NULL);

	RL(rump_sys_pread(fd, b2, therange, 0));

	memset(b3, 0, therange);
	memset(b3 + getpagesize() - 1, 'B', 2);

	ATF_REQUIRE_EQ(memcmp(b2, b3, therange), 0);

	rump_sys_close(fd);
	FSTEST_EXIT();
}
示例#5
0
文件: t_compat.c 项目: 2asoft/freebsd
ATF_TC_BODY(OOSIOCGIFBRDADDR, tc)
{
        int fd, ifnum;
        struct oifreq ifreq;
        struct sockaddr_in *sin;
	int rv;

        memset(&ifreq,'\0',sizeof ifreq);

	rump_init();

	/* create an interface and give it netmask 0xffff0000 */
	rv = rump_pub_shmif_create("bus", &ifnum);
	if (rv)
		atf_tc_fail("failed to create shmif: %s", strerror(rv));
	sprintf(ifreq.ifr_name, "shmif%d", ifnum);
	netcfg_rump_if(ifreq.ifr_name, "1.7.64.10", "255.255.0.0");

	/* query kernel for iface bcast */
        RL(fd = rump_sys_socket(AF_INET, SOCK_DGRAM, 0));
        RL(rump_sys_ioctl(fd, OOSIOCGIFBRDADDR, &ifreq));

	/* make sure we got what we deserve */
        sin = (struct sockaddr_in *)&ifreq.ifr_broadaddr;
	ATF_REQUIRE_EQ(sin->sin_addr.s_addr, htonl(0x0107ffff));
        rump_sys_close(fd);
}
ATF_TC_BODY(proccreds, tc)
{
	struct lwp *l1, *l2;

	rump_init();
	RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG));
	l1 = rump_pub_lwproc_curlwp();
	RZ(rump_pub_lwproc_newlwp(rump_sys_getpid()));

	RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG));
	l2 = rump_pub_lwproc_curlwp();

	RL(rump_sys_setuid(22));
	ATF_REQUIRE_EQ(rump_sys_getuid(), 22);

	rump_pub_lwproc_switch(l1);
	ATF_REQUIRE_EQ(rump_sys_getuid(), 0); /* from parent, proc0 */
	RL(rump_sys_setuid(11));
	ATF_REQUIRE_EQ(rump_sys_getuid(), 11);

	rump_pub_lwproc_switch(l2);
	ATF_REQUIRE_EQ(rump_sys_getuid(), 22);
	rump_pub_lwproc_newlwp(rump_sys_getpid());
	ATF_REQUIRE_EQ(rump_sys_getuid(), 22);
}
static void
read_after_unlink(const atf_tc_t *tc, const char *mp)
{
	char buf[TBSIZE], buf2[TBSIZE];
	int fd;

	FSTEST_ENTER();

	/* create file and put some content into it */
	RL(fd = rump_sys_open("file", O_RDWR|O_CREAT, 0666));
	memset(buf, 'D', TBSIZE);
	ATF_REQUIRE_EQ(rump_sys_write(fd, buf, TBSIZE), TBSIZE);
	rump_sys_close(fd);

	/* flush buffers from UBC to file system */
	ATF_REQUIRE_ERRNO(EBUSY, rump_sys_unmount(mp, 0) == -1);

	RL(fd = rump_sys_open("file", O_RDWR));
	RL(rump_sys_unlink("file"));

	ATF_REQUIRE_EQ(rump_sys_read(fd, buf2, TBSIZE), TBSIZE);
	ATF_REQUIRE_EQ(memcmp(buf, buf2, TBSIZE), 0);
	rump_sys_close(fd);

	FSTEST_EXIT();
}
示例#8
0
文件: zend_list.cpp 项目: 6api/hhvm
ZEND_API int zend_list_insert(void *ptr, int type TSRMLS_DC) {
  zend_rsrc_list_entry* le = new zend_rsrc_list_entry(ptr, type);
  le->incRefCount();
  RL().push_back(le);
  int id = RL().size() - 1;
  le->id = id;
  return id;
}
示例#9
0
文件: t_basic.c 项目: 2asoft/freebsd
static void
child(bool master)
{
	char ifname[IFNAMSIZ];
	struct carpreq cr;
	struct ifreq ifr;
	const char *carpif;
	int s;

	/* helps reading carp debug output */
	if (master)
		carpif = "carp0";
	else
		carpif = "carp1";

	/*
	 * Should use sysctl, bug debug is dabug.
	 */
	{
	//extern int rumpns_carp_opts[]; /* XXX */
	//rumpns_carp_opts[CARPCTL_LOG] = 1;
	}


	rump_init();

	memset(&ifr, 0, sizeof(ifr));
	strlcpy(ifr.ifr_name, carpif, sizeof(ifr.ifr_name));

	RL(s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0));
	RL(rump_sys_ioctl(s, SIOCIFCREATE, &ifr));

	netcfg_rump_makeshmif(THEBUS, ifname);

	if (master)
		netcfg_rump_if(ifname, "10.1.1.1", "255.255.255.0");
	else
		netcfg_rump_if(ifname, "10.1.1.2", "255.255.255.0");

	/* configure the carp interface */
	ifr.ifr_data = &cr;
	RL(rump_sys_ioctl(s, SIOCGVH, &ifr));

	strlcpy(cr.carpr_carpdev, ifname, sizeof(cr.carpr_carpdev));
	cr.carpr_vhid = 175;
	if (master)
		cr.carpr_advskew = 0;
	else
		cr.carpr_advskew = 200;
	cr.carpr_advbase = 1;
	strcpy((char *)cr.carpr_key, "s3cret");

	RL(rump_sys_ioctl(s, SIOCSVH, &ifr));
	netcfg_rump_if(carpif, "10.1.1.100", "255.255.255.0");

	/* tassa pause()en enka muuta voi */
	pause();
}
示例#10
0
static void
symlink_root(const atf_tc_t *tc, const char *mp)
{

	USES_SYMLINKS;

	RL(rump_sys_chdir(mp));
	RL(rump_sys_symlink("/", "foo"));
	RL(rump_sys_chdir("foo"));
}
示例#11
0
static void
symlink_zerolen(const atf_tc_t *tc, const char *mp)
{

	USES_SYMLINKS;

	RL(rump_sys_chdir(mp));

	RL(rump_sys_symlink("", "afile"));
	RL(rump_sys_chdir("/"));
}
static void
shrinkfile(const atf_tc_t *tc, const char *mp)
{
	int fd;

	FSTEST_ENTER();
	RL(fd = rump_sys_open("file", O_RDWR|O_CREAT|O_TRUNC, 0666));
	RL(rump_sys_ftruncate(fd, 2));
	RL(rump_sys_ftruncate(fd, 1));
	rump_sys_close(fd);
	FSTEST_EXIT();
}
示例#13
0
文件: t_pipe.c 项目: 2asoft/freebsd
ATF_TC_BODY(pipe1, tc)
{
	struct kevent event[1];
	int fds[2];
	int kq, n;

	RL(pipe(fds));
	RL(kq = kqueue());
	RL(close(fds[0]));

	EV_SET(&event[0], fds[1], EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0);
	ATF_REQUIRE_EQ_MSG((n = kevent(kq, event, 1, NULL, 0, NULL)),
	    -1, "got: %d", n);
	ATF_REQUIRE_EQ_MSG(errno, EBADF, "got: %s", strerror(errno));
}
示例#14
0
void InitCPU(void) /* 68K state when powered on */
{ 
	ssp=*sp=RL(&theROM[0]);
	SetPC(RL(&theROM[1]));
	if(V3)printf("initial PC=%x SP=%x\n",(void*)pc-(void*)theROM,ssp);
	
	iMask=7;
	supervisor=true;
	trace=doTrace=false;
	exception=0;
	extraFlag=false;
	pendingInterrupt=0;
	stopped=false;
	badCodeAddress=false;
}
static void
read_fault(const atf_tc_t *tc, const char *mp)
{
	char ch = 123;
	int fd;

	FSTEST_ENTER();
	RL(fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777));
	ATF_REQUIRE_EQ(rump_sys_write(fd, &ch, 1), 1);
	RL(rump_sys_close(fd));
	RL(fd = rump_sys_open("file", O_RDONLY | O_SYNC | O_RSYNC));
	ATF_REQUIRE_ERRNO(EFAULT, rump_sys_read(fd, NULL, 1) == -1);
	RL(rump_sys_close(fd));
	FSTEST_EXIT();
}
示例#16
0
文件: gemenipr.c 项目: lostnet/6teno
void GEMENI_charsent() {
	unsigned long r = s->log[s->lc];
	if (UCA0IFG & UCTXIFG) {
		s->nch++;
		switch (s->nch) {
			case 1:
				UCA0TXBUF = SL(r) << 5 |TL(r)<<4|KL(r)<<3|PL(r)<<2|WL(r)<<1|HL(r);
			break;
			case 2:
				UCA0TXBUF = RL(r)<<6 | AL(r)<<5 | OL(r)<<4 | STAR(r)<<3;
			break;
			case 3:
				UCA0TXBUF = ER(r)<<3 | UR(r)<<2 | FR(r)<<1 | RR(r);
			break;
			case 4:
				UCA0TXBUF = PR(r)<<6 | BR(r)<<5 | LR(r)<<4 | GR(r)<<3 | TR(r)<<2 | SR(r)<<1 | DRS(r);
			break;
			case 5:
				UCA0TXBUF = POUND(r)<<1 | ZRS(r);
			break;
			default:
				s->lc++;
				if (s->lc != s->nc-1) {

  					s->nch = 0;
  					UCA0TXBUF = 1 << 7; // first packet, no fn or '#'
				} else {
					s->flags &= ~CSEND;
				}

		}
	}
}
示例#17
0
ATF_TC_BODY(makecn, tc)
{
	struct componentname *cn;
	char pathstr[MAXPATHLEN] = TESTFILE;
	struct vnode *vp;
	extern struct vnode *rumpns_rootvnode;

	rump_init();

	/*
	 * Strategy is to create a componentname, edit the passed
	 * string, and then do a lookup with the componentname.
	 */
	RL(rump_sys_mkdir("/" TESTFILE, 0777));

	/* need stable lwp for componentname */
	RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG));

	/* try it once with the right path */
	cn = rump_pub_makecn(RUMP_NAMEI_LOOKUP, 0, pathstr, strlen(pathstr),
	    rump_pub_cred_create(0, 0, 0, NULL), rump_pub_lwproc_curlwp());
	RZ(RUMP_VOP_LOOKUP(rumpns_rootvnode, &vp, cn));
	rump_pub_freecn(cn, RUMPCN_FREECRED);

	/* and then with modification-in-the-middle */
	cn = rump_pub_makecn(RUMP_NAMEI_LOOKUP, 0, pathstr, strlen(pathstr),
	    rump_pub_cred_create(0, 0, 0, NULL), rump_pub_lwproc_curlwp());
	strcpy(pathstr, "/muuta");
	RZ(RUMP_VOP_LOOKUP(rumpns_rootvnode, &vp, cn));
	rump_pub_freecn(cn, RUMPCN_FREECRED);
}
示例#18
0
void REGP1 SetPCX(int i)
{
#ifdef BACKTRACE
	Ptr p=pc;
#endif

	pc=(uw16*)((Ptr)theROM+(RL(&theROM[i])&ADDR_MASK));
	
#ifdef TRACE 
	CheckTrace();
#ifdef BACKTRACE
	AddBackTrace(p,-i);
#endif
#endif
	
	if(((char)(int)pc&1)!=0) 
	  { 
	    exception=3;
	    extraFlag=true;
	    nInst2=nInst;
	    nInst=0;
	    readOrWrite=16;
	    badAddress=(Ptr)pc-(Ptr)theROM;
	    badCodeAddress=true;
	  }
}
ATF_TC_BODY(lwps, tc)
{
	struct lwp *l[LOOPS];
	pid_t mypid;
	struct lwp *l_orig;
	int i;

	rump_init();

	RZ(rump_pub_lwproc_rfork(RUMP_RFCFDG));
	mypid = rump_sys_getpid();
	RL(rump_sys_setuid(375));

	l_orig = rump_pub_lwproc_curlwp();
	for (i = 0; i < LOOPS; i++) {
		mypid = rump_sys_getpid();
		ATF_REQUIRE(mypid != -1 && mypid != 0);
		RZ(rump_pub_lwproc_newlwp(mypid));
		l[i] = rump_pub_lwproc_curlwp();
		ATF_REQUIRE_EQ(rump_sys_getuid(), 375);
	}

	rump_pub_lwproc_switch(l_orig);
	rump_pub_lwproc_releaselwp();
	for (i = 0; i < LOOPS; i++) {
		rump_pub_lwproc_switch(l[i]);
		ATF_REQUIRE_EQ(rump_sys_getpid(), mypid);
		ATF_REQUIRE_EQ(rump_sys_getuid(), 375);
		rump_pub_lwproc_releaselwp();
		ATF_REQUIRE_EQ(rump_sys_getpid(), 1);
		ATF_REQUIRE_EQ(rump_sys_getuid(), 0);
	}

	ATF_REQUIRE_EQ(rump_pub_lwproc_newlwp(mypid), ESRCH);
}
示例#20
0
avltree insert(avltree root,Elemtype data)
{
    if(!root)
    {
        root=(pnode)malloc(sizeof(node));
        root->data=data;
        root->left=root->right=0;
        root->height=0;
    }
    else if(data < root->data)    //插到左边
    {
        root->left=insert(root->left,data);
        if(HEIGHT(root->left)-HEIGHT(root->right)==2)   //失去平衡
        {
            if(data < root->left->data)
                root=LL(root);
            else
               root=LR(root);
        }
    }
    else if(data >root->data)   //插到右边
    {
        root->right=insert(root->right,data);
        if(HEIGHT(root->right)-HEIGHT(root->left)==2)   //失去平衡
        {
            if(data > root->right->data)
                root=RR(root);
            else
                root=RL(root);
        }
    }
    //data在树中已存在时什么事也不做
    root->height=MAX(HEIGHT(root->left),HEIGHT(root->right))+1;
    return root;
}
示例#21
0
文件: main.c 项目: Alecs94/DSA-lab
node *insertNode(node *root, int cont){
    if(root==NULL){
        return createNode(cont);
    }
    else
    if(cont>root->data) {
        root->right=insertNode(root->right,cont);
        if(BF(root)==-2){
            if(cont>root->right->data)
                root=RR(root);
                else
                    root=RL(root);
        }
    }
    else
    if(cont<root->data) {
        root->left=insertNode(root->left,cont);
        if(BF(root)==2){
            if(cont < root->left->data)
                root=LL(root);
                else
                  root=LR(root);
        }
    }
    /*else{
        if(cont==root->data) printf("the node %d already exists in the tree",cont);
        return root;
    }*/
    root->ht=height(root);
    return(root);
}
示例#22
0
node * insert(node *T,int x)
{
               if(T==NULL)
               {
                              T=(node*)malloc(sizeof(node));
                              T->data=x;
                              T->left=NULL;
                              T->right=NULL;
               }
               else
                              if(x > T->data)                // insert in right subtree
                              {
                                             T->right=insert(T->right,x);
                                             if(BF(T)==-2)
                                                            if(x>T->right->data)
                                                                           T=RR(T);
                                                            else
                                                                           T=RL(T);
                              }
                              else
                                             if(x<T->data)
                                             {
                                                            T->left=insert(T->left,x);
                                                            if(BF(T)==2)
                                                                           if(x < T->left->data)
                                                                                          T=LL(T);
                                                                           else
                                                                                          T=LR(T);
                                             }
                                             T->ht=height(T);

                                             return(T);

}
/*  Insert sessid and socket pair in AVL Tree		*/
AVLTree_Node* insertion(AVLTree_Node *T,uint16_t x, struct node *head)
{
    if(T==NULL)
    {
        T=(AVLTree_Node*)malloc(sizeof(AVLTree_Node));
        T->data=x;
	T->head = head;
        T->left=NULL;
        T->right=NULL;	 
    }
    else
        if(x > T->data)                // insert in right subtree
        {
            T->right=insertion(T->right,x,head);
            if(BF(T)==-2)
                if(x>T->right->data)
                    T=RR(T);
                else
                    T=RL(T);
        }
        else
            if(x<T->data)
            {
                T->left=insertion(T->left,x,head);
                if(BF(T)==2)
                    if(x < T->left->data)
                        T=LL(T);
                    else
                        T=LR(T);
            }
            T->ht=height(T);
	    //root=T;
            return(T);
}
示例#24
0
std::vector<int> min_for_window(std::vector<int> arr, int w){
	int size = arr.size();
	int n_windows = size - w+1;
	std::vector<int> LR(size);
	std::vector<int> RL(size);
	std::vector<int> res(n_windows);

	for(int i = 0; i < size; ++i){ // filling out LR
		if(!(i % w)){
			LR[i] = arr[i];
		} else{
			LR[i] = std::min(LR[i-1], arr[i]);
		}
	}

	std::cout << "Printing Left-Right array: " << std::endl;
	print_vector(LR);

	for(int i = size-1; i >= 0; --i){ // filling out RL
		if(i == size-1 || i % w == w-1){
			RL[i] = arr[i];
		} else{
			RL[i] = std::min(RL[i+1], arr[i]);
		}
	}

	std::cout << "Printing Right-Left array: " << std::endl;
	print_vector(RL);

	for(int i = 0; i < n_windows; ++i){ // filling out result array
		res[i] = std::min(RL[i], LR[i+w-1]);
	}

	return res;
}
示例#25
0
ATF_TC_BODY(file, tc)
{
	char buffer[128];
	struct kevent event[1];
	pid_t pid;
	int fd, kq, n, num, status;

	RL(pid = fork());
	if (pid == 0) {
		child();
		/* NOTREACHED */
	}

	RL(fd = open(FILENAME, O_RDONLY|O_CREAT, 0644));

#if 1		/* XXX: why was this disabled? */
	RL(lseek(fd, 0, SEEK_END));
#endif

	RL(kq = kqueue());

	EV_SET(&event[0], fd, EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0);
	RL(kevent(kq, event, 1, NULL, 0, NULL));

	for (num = 0; num < NLINES;) {
		RL(n = kevent(kq, NULL, 0, event, 1, NULL));
		num += n;

		(void)printf("kevent num %d flags: %#x, fflags: %#x, data: "
#ifdef __FreeBSD__
		    "%" PRIdPTR "\n", n, event[0].flags, event[0].fflags,
#else
		    "%" PRId64 "\n", n, event[0].flags, event[0].fflags,
#endif
		    event[0].data);

		if (event[0].data < 0)
#if 1	/* XXXLUKEM */
			RL(lseek(fd, 0, SEEK_END));
#else
			RL(lseek(fd, event[0].data, SEEK_END));
#endif

		RL(n = read(fd, buffer, 128));
		buffer[n] = '\0';
		(void)printf("file(%d): %s", num, buffer);
	}

	(void)waitpid(pid, &status, 0);

	(void)printf("read: successful end\n");
}
示例#26
0
文件: t_pipe.c 项目: 2asoft/freebsd
ATF_TC_BODY(pipe3, tc)
{
	struct kevent event[1];
	int fds[2];
	int kq;

	RL(pipe(fds));
	RL(kq = kqueue());

	EV_SET(&event[0], fds[1], EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0);
	RL(kevent(kq, event, 1, NULL, 0, NULL));

	/* close 'read' end first, then 'write' */

	RL(close(fds[0]));
	RL(close(fds[1]));
}
示例#27
0
ATF_TC_BODY(clock_gettime_real, tc)
{
	char name[128], cbuf[512], ctrbuf[10240];
	size_t cbufsiz = sizeof(cbuf);
	size_t ctrbufsiz = sizeof(ctrbuf);
	const char *p;
	char *save;
	int quality, n;

	if (sysctlbyname(TC_HARDWARE, cbuf, &cbufsiz, NULL, 0) != 0) {
		(void)printf("\nChecking legacy time implementation "
		    "for %d seconds\n", TIMEOUT);
		check_timecounter();
		return;
		/* NOTREACHED */
	}
	(void)printf("%s = %s\n", TC_HARDWARE, cbuf);
	REQUIRE_LIBC(save = strdup(cbuf), NULL);

	RL(sysctlbyname(TC_CHOICE, ctrbuf, &ctrbufsiz, NULL, 0));
	(void)printf("%s = %s\n", TC_CHOICE, ctrbuf);

	for (p = ctrbuf, n = 0; sscanf(p, "%127[^(](q=%d, f=%*u Hz)%*[ ]%n",
	    name, &quality, &n) == 2; p += n) {
		struct timespec ts;
		int ret;

		if (quality < 0)
			continue;

		(void)printf("\nChecking %s for %d seconds\n", name, TIMEOUT);
		CHECK_LIBC(ret = sysctlbyname(TC_HARDWARE, NULL, 0,
		    name, strlen(name)), -1);
		if (ret == -1)
			continue;

		/* wait a bit to select new counter in clockinterrupt */
		ts.tv_sec = 0;
		ts.tv_nsec = 100000000;
		(void)nanosleep(&ts, NULL);

		check_timecounter();
	}

	RL(sysctlbyname(TC_HARDWARE, NULL, 0, save, strlen(save)));
}
示例#28
0
文件: t_pipe.c 项目: 2asoft/freebsd
ATF_TC_BODY(pipe2, tc)
{
	struct kevent event[1];
	char buffer[128];
	int fds[2];
	int kq, n;
	int status;
	pid_t child;

	RL(pipe(fds));
	RL(kq = kqueue());

	EV_SET(&event[0], fds[1], EVFILT_WRITE, EV_ADD|EV_ENABLE, 0, 0, 0);
	RL(kevent(kq, event, 1, NULL, 0, NULL));

	/* spawn child reader */
	RL(child = fork());
	if (child == 0) {
		int sz = read(fds[0], buffer, 128);
		if (sz > 0)
			(void)printf("pipe: child read '%.*s'\n", sz, buffer);
		exit(sz <= 0);
	}

	RL(n = kevent(kq, NULL, 0, event, 1, NULL));

	(void)printf("kevent num %d flags: %#x, fflags: %#x, data: "
	    "%" PRId64 "\n", n, event[0].flags, event[0].fflags, event[0].data);

	RL(n = write(fds[1], "foo", 3));
	RL(close(fds[1]));

	(void)waitpid(child, &status, 0);
}
示例#29
0
static Node NodeDelete(Node rootnode , Node delnode){
    if (delnode == NULL || rootnode == NULL){
        return NULL;
    }
    //node in the left
    if (delnode -> data < rootnode -> data){
        rootnode -> left = NodeDelete(rootnode -> left , delnode);
        //lose balance
        if (Height(rootnode -> right) == Height(rootnode -> right) + 2){
            Node right = rootnode -> right;
            if (Height(right -> left) > Height(right -> right)){
                rootnode = RL(rootnode);
            }else{
                rootnode = RR(rootnode);
            }
        }
    }
    //node in the right
    if (delnode -> data > rootnode -> data){
        rootnode -> right = NodeDelete(rootnode -> right , delnode);
        //lose balance
        if (Height(rootnode -> left) == Height(rootnode -> right) + 2){
            Node left = rootnode -> left;
            if (Height(left -> right) > Height(left -> left)){
                rootnode = LR(rootnode);
            }else{
                rootnode = LL(rootnode);
            }
        }
    }
    //delnode is rootnode
    if (delnode -> data == rootnode -> data){
        if ((rootnode -> left != NULL) && (rootnode -> right != NULL)){
            //left is lager than right
            if (Height(rootnode -> left) > Height(rootnode -> right)){
                Node max = FindMax(rootnode -> left);
                rootnode -> data = max -> data;
                rootnode -> left = NodeDelete(rootnode -> left , max);
            }else{
            //right is lager than left
                Node min = FindMin(rootnode -> right);
                rootnode -> data = min -> data;
                rootnode -> right = NodeDelete(rootnode -> right , min);
            }
        }else{
        //left || right in null
            Node tmp = rootnode;
            if (rootnode -> left != NULL){
                rootnode = rootnode -> left;
            }else{
                rootnode = rootnode -> right;
            }
            free(tmp);
        }
    }
    return rootnode;
}
示例#30
0
void CSharpTabCodeGen::LOCATE_TRANS()
{
    out <<
        "	_keys = " << KO() + "[" + vCS() + "]" << ";\n"
        "	_trans = " << CAST(transType) << IO() << "[" << vCS() << "];\n"
        "\n"
        "	_klen = " << SL() << "[" << vCS() << "];\n"
        "	if ( _klen > 0 ) {\n"
        "		" << signedKeysType << " _lower = _keys;\n"
        "		" << signedKeysType << " _mid;\n"
        "		" << signedKeysType << " _upper = " << CAST(signedKeysType) <<
        " (_keys + _klen - 1);\n"
        "		while (true) {\n"
        "			if ( _upper < _lower )\n"
        "				break;\n"
        "\n"
        "			_mid = " << CAST(signedKeysType) <<
        " (_lower + ((_upper-_lower) >> 1));\n"
        "			if ( " << GET_WIDE_KEY() << " < " << K() << "[_mid] )\n"
        "				_upper = " << CAST(signedKeysType) << " (_mid - 1);\n"
        "			else if ( " << GET_WIDE_KEY() << " > " << K() << "[_mid] )\n"
        "				_lower = " << CAST(signedKeysType) << " (_mid + 1);\n"
        "			else {\n"
        "				_trans += " << CAST(transType) << " (_mid - _keys);\n"
        "				goto _match;\n"
        "			}\n"
        "		}\n"
        "		_keys += " << CAST(keysType) << " _klen;\n"
        "		_trans += " << CAST(transType) << " _klen;\n"
        "	}\n"
        "\n"
        "	_klen = " << RL() << "[" << vCS() << "];\n"
        "	if ( _klen > 0 ) {\n"
        "		" << signedKeysType << " _lower = _keys;\n"
        "		" << signedKeysType << " _mid;\n"
        "		" << signedKeysType << " _upper = " << CAST(signedKeysType) <<
        " (_keys + (_klen<<1) - 2);\n"
        "		while (true) {\n"
        "			if ( _upper < _lower )\n"
        "				break;\n"
        "\n"
        "			_mid = " << CAST(signedKeysType) <<
        " (_lower + (((_upper-_lower) >> 1) & ~1));\n"
        "			if ( " << GET_WIDE_KEY() << " < " << K() << "[_mid] )\n"
        "				_upper = " << CAST(signedKeysType) << " (_mid - 2);\n"
        "			else if ( " << GET_WIDE_KEY() << " > " << K() << "[_mid+1] )\n"
        "				_lower = " << CAST(signedKeysType) << " (_mid + 2);\n"
        "			else {\n"
        "				_trans += " << CAST(transType) << "((_mid - _keys)>>1);\n"
        "				goto _match;\n"
        "			}\n"
        "		}\n"
        "		_trans += " << CAST(transType) << " _klen;\n"
        "	}\n"
        "\n";
}