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Ports of lib9, libbio and libmach to Windows.

Browse Source 
R=rsc
https://golang.org/cl/157159
This commit is contained in:
Hector Chu 2009-11-30 11:53:11 -08:00 committed by Russ Cox
parent 49c859a5f1
commit cd9d72ba9e
16 changed files with 100 additions and 128 deletions
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17
include/libc.h
View File

@ -137,12 +137,9 @@ extern void sysfatal(char*, ...);
#define ORDWR 2 /* read and write */
#define OEXEC 3 /* execute, == read but check execute permission */
#define OTRUNC 16 /* or'ed in (except for exec), truncate file first */
#define OCEXEC 32 /* or'ed in, close on exec */
#define ORCLOSE 64 /* or'ed in, remove on close */
#define ODIRECT 128 /* or'ed in, direct access */
#define ONONBLOCK 256 /* or'ed in, non-blocking call */
#define OEXCL 0x1000 /* or'ed in, exclusive use (create only) */
#define OLOCK 0x2000 /* or'ed in, lock after opening */
#define OAPPEND 0x4000 /* or'ed in, append only */
#define AEXIST 0 /* accessible: exists */
@ -279,7 +276,6 @@ extern int notifyon(char*);
extern int notifyoff(char*);
extern int p9open(char*, int);
extern int fd2path(int, char*, int);
extern int p9pipe(int*);
extern long readn(int, void*, long);
extern int remove(const char*);
extern vlong p9seek(int, vlong, int);
@ -290,6 +286,18 @@ extern Waitmsg* waitnohang(void);
extern int p9waitpid(void);
extern ulong rendezvous(ulong, ulong);
#ifdef __MINGW32__
extern int fork();
extern int pread(int fd, void *buf, int n, int off);
extern int pwrite(int fd, void *buf, int n, int off);
#define execvp(prog, argv) execvp(prog, (const char**)(argv))
#define lseek(fd, n, base) _lseeki64(fd, n, base)
#define mkdir(path, perm) mkdir(path)
#define pipe(fd) _pipe(fd, 512, O_BINARY)
#else
#define O_BINARY 0
#endif
#ifndef NOPLAN9DEFINES
#define alarm p9alarm
#define dup p9dup
@ -303,7 +311,6 @@ extern ulong rendezvous(ulong, ulong);
#define create p9create
#undef open
#define open p9open
#define pipe p9pipe
#define waitfor p9waitfor
#endif

6
include/u.h
View File

@ -77,6 +77,9 @@ extern "C" {
#define _NEEDUINT 1
#define _NEEDULONG 1
#ifdef __MINGW32__
typedef jmp_buf sigjmp_buf;
#endif
typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
#if defined(__linux__)
@ -135,6 +138,7 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
# undef _NEEDUSHORT
# undef _NEEDUINT
# undef _NEEDULONG
#elif defined(__MINGW32__)
#else
/* No idea what system this is -- try some defaults */
# include <pthread.h>
@ -199,7 +203,7 @@ typedef u64int uint64;
*/
#if defined(__GNUC__)
# undef strcmp /* causes way too many warnings */
# if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__))
# if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__) && !defined(__MINGW32__))
# undef AUTOLIB
# define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
# undef AUTOFRAMEWORK

2
lib/codereview/codereview.py
View File

@ -403,7 +403,7 @@ def LoadAllCL(ui, repo, web=True):
# Find repository root. On error, ui.warn and return None
def RepoDir(ui, repo):
url = repo.url();
if not url.startswith('file:/'):
if not url.startswith('file:'):
ui.warn("repository %s is not in local file system\n" % (url,))
return None
url = url[5:]

20
src/lib9/Makefile
View File

@ -54,7 +54,6 @@ LIB9OFILES=\
_exits.$O\
argv0.$O\
atoi.$O\
await.$O\
cleanname.$O\
create.$O\
dirfstat.$O\
@ -69,23 +68,32 @@ LIB9OFILES=\
exits.$O\
getenv.$O\
getfields.$O\
getuser.$O\
getwd.$O\
jmp.$O\
main.$O\
nan.$O\
notify.$O\
nulldir.$O\
open.$O\
pipe.$O\
readn.$O\
rfork.$O\
seek.$O\
strecpy.$O\
sysfatal.$O\
time.$O\
tokenize.$O\
ifeq ($(GOOS),mingw)
LIB9OFILES+=\
win32.$O\
else
LIB9OFILES+=\
await.$O\
getuser.$O\
jmp.$O\
notify.$O\
rfork.$O\
endif
OFILES=\
$(LIB9OFILES)\
$(FMTOFILES)\

31
src/lib9/_p9dir.c
View File

@ -29,20 +29,6 @@ THE SOFTWARE.
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <pwd.h>
#include <grp.h>
/*
* No need for a real disk size function here:
* the Go build isn't looking at raw disk devices,
* so this avoids portability problems.
*/
#define _HAVEDISKSIZE
static vlong
disksize(int fd, int x)
{
return 0;
}
/*
* Caching the last group and passwd looked up is
@ -55,9 +41,6 @@ _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *
{
char *s;
char tmp[20];
static struct group *g;
static struct passwd *p;
static int gid, uid;
int sz, fd;
fd = -1;
@ -88,11 +71,8 @@ _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *
sz += strlen(s)+1;
/* user */
if(p == nil || st->st_uid != uid || p->pw_uid != uid){
snprint(tmp, sizeof tmp, "%d", (int)st->st_uid);
s = tmp;
}else
s = p->pw_name;
sz += strlen(s)+1;
if(d){
if(*str+strlen(s)+1 > estr)
@ -105,11 +85,8 @@ _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *
}
/* group */
if(g == nil || st->st_gid != gid || g->gr_gid != gid){
snprint(tmp, sizeof tmp, "%d", (int)st->st_gid);
s = tmp;
}else
s = g->gr_name;
sz += strlen(s)+1;
if(d){
if(*str + strlen(s)+1 > estr)
@ -141,12 +118,16 @@ _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *
d->mode |= DMDIR;
d->qid.type = QTDIR;
}
#ifdef S_ISLNK
if(S_ISLNK(lst->st_mode)) /* yes, lst not st */
d->mode |= DMSYMLINK;
#endif
if(S_ISFIFO(st->st_mode))
d->mode |= DMNAMEDPIPE;
#ifdef S_ISSOCK
if(S_ISSOCK(st->st_mode))
d->mode |= DMSOCKET;
#endif
if(S_ISBLK(st->st_mode)){
d->mode |= DMDEVICE;
d->qid.path = ('b'<<16)|st->st_rdev;
@ -156,12 +137,10 @@ _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *
d->qid.path = ('c'<<16)|st->st_rdev;
}
/* fetch real size for disks */
#ifdef _HAVEDISKSIZE
if(S_ISBLK(st->st_mode) && (fd = open(name, O_RDONLY)) >= 0){
d->length = disksize(fd, major(st->st_dev));
d->length = 0;
close(fd);
}
#endif
#if defined(DIOCGMEDIASIZE)
if(isdisk(st)){
int fd;

21
src/lib9/create.c
View File

@ -37,14 +37,11 @@ THE SOFTWARE.
int
p9create(char *path, int mode, ulong perm)
{
int fd, cexec, umode, rclose, lock, rdwr;
struct flock fl;
int fd, umode, rclose, rdwr;
rdwr = mode&3;
lock = mode&OLOCK;
cexec = mode&OCEXEC;
rclose = mode&ORCLOSE;
mode &= ~(ORCLOSE|OCEXEC|OLOCK);
mode &= ~ORCLOSE;
/* XXX should get mode mask right? */
fd = -1;
@ -75,23 +72,11 @@ p9create(char *path, int mode, ulong perm)
werrstr("unsupported mode in create");
goto out;
}
umode |= O_BINARY;
fd = open(path, umode, perm);
}
out:
if(fd >= 0){
if(lock){
fl.l_type = (rdwr==OREAD) ? F_RDLCK : F_WRLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
if(fcntl(fd, F_SETLK, &fl) < 0){
close(fd);
werrstr("lock: %r");
return -1;
}
}
if(cexec)
fcntl(fd, F_SETFL, FD_CLOEXEC);
if(rclose)
remove(path);
}

2
src/lib9/dirfwstat.c
View File

@ -61,10 +61,12 @@ dirfwstat(int fd, Dir *dir)
struct timeval tv[2];
ret = 0;
#ifndef __MINGW32__
if(~dir->mode != 0){
if(fchmod(fd, dir->mode) < 0)
ret = -1;
}
#endif
if(~dir->mtime != 0){
tv[0].tv_sec = dir->mtime;
tv[0].tv_usec = 0;

6
src/lib9/dirstat.c
View File

@ -39,11 +39,17 @@ dirstat(char *file)
Dir *d;
char *str;
#ifdef __MINGW32__
if(stat(file, &st) < 0)
return nil;
lst = st;
#else
if(lstat(file, &lst) < 0)
return nil;
st = lst;
if((lst.st_mode&S_IFMT) == S_IFLNK)
stat(file, &st);
#endif
nstr = _p9dir(&lst, &st, file, nil, nil, nil);
d = malloc(sizeof(Dir)+nstr);

27
src/lib9/open.c
View File

@ -35,16 +35,13 @@ THE SOFTWARE.
int
p9open(char *name, int mode)
{
int cexec, rclose;
int fd, umode, lock, rdwr;
struct flock fl;
int rclose;
int fd, umode, rdwr;
rdwr = mode&3;
umode = rdwr;
cexec = mode&OCEXEC;
rclose = mode&ORCLOSE;
lock = mode&OLOCK;
mode &= ~(3|OCEXEC|ORCLOSE|OLOCK);
mode &= ~(3|ORCLOSE);
if(mode&OTRUNC){
umode |= O_TRUNC;
mode ^= OTRUNC;
@ -53,10 +50,6 @@ p9open(char *name, int mode)
umode |= O_DIRECT;
mode ^= ODIRECT;
}
if(mode&ONONBLOCK){
umode |= O_NONBLOCK;
mode ^= ONONBLOCK;
}
if(mode&OAPPEND){
umode |= O_APPEND;
mode ^= OAPPEND;
@ -65,21 +58,9 @@ p9open(char *name, int mode)
werrstr("mode 0x%x not supported", mode);
return -1;
}
umode |= O_BINARY;
fd = open(name, umode);
if(fd >= 0){
if(lock){
fl.l_type = (rdwr==OREAD) ? F_RDLCK : F_WRLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
if(fcntl(fd, F_SETLK, &fl) < 0){
close(fd);
werrstr("lock: %r");
return -1;
}
}
if(cexec)
fcntl(fd, F_SETFL, FD_CLOEXEC);
if(rclose)
remove(name);
}

39
src/lib9/pipe.c
View File

@ -1,39 +0,0 @@
/*
Plan 9 from User Space src/lib9/getenv.c
http://code.swtch.com/plan9port/src/tip/src/lib9/getenv.c
Copyright 2001-2007 Russ Cox. All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include <u.h>
#define NOPLAN9DEFINES
#include <libc.h>
#include <sys/socket.h>
/*
* We use socketpair to get a two-way pipe.
* The pipe still doesn't preserve message boundaries.
* Worse, it cannot be reopened via /dev/fd/NNN on Linux.
*/
int
p9pipe(int fd[2])
{
return socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
}

6
src/lib9/time.c
View File

@ -25,13 +25,18 @@ THE SOFTWARE.
#include <u.h>
#include <sys/time.h>
#include <time.h>
#ifndef __MINGW32__
#include <sys/resource.h>
#endif
#define NOPLAN9DEFINES
#include <libc.h>
long
p9times(long *t)
{
#ifdef __MINGW32__
memset(t, 0, 4*sizeof(long));
#else
struct rusage ru, cru;
if(getrusage(0, &ru) < 0 || getrusage(-1, &cru) < 0)
@ -41,6 +46,7 @@ p9times(long *t)
t[1] = ru.ru_stime.tv_sec*1000 + ru.ru_stime.tv_usec/1000;
t[2] = cru.ru_utime.tv_sec*1000 + cru.ru_utime.tv_usec/1000;
t[3] = cru.ru_stime.tv_sec*1000 + cru.ru_stime.tv_usec/1000;
#endif
/* BUG */
return t[0]+t[1]+t[2]+t[3];

26
src/lib9/win32.c Normal file
View File

@ -0,0 +1,26 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include <u.h>
#include <libc.h>
int fork()
{
return -1;
}
int p9rfork(int flags)
{
return -1;
}
Waitmsg *p9wait()
{
return 0;
}
int p9waitpid()
{
return -1;
}

6
src/libbio/binit.c
View File

@ -87,7 +87,7 @@ Binits(Biobuf *bp, int f, int mode, unsigned char *p, int size)
p += Bungetsize; /* make room for Bungets */
size -= Bungetsize;
switch(mode&~(OCEXEC|ORCLOSE|OTRUNC)) {
switch(mode&~(ORCLOSE|OTRUNC)) {
default:
fprint(2, "Bopen: unknown mode %d\n", mode);
return Beof;
@ -142,7 +142,7 @@ Bopen(char *name, int mode)
Biobuf *bp;
int f;
switch(mode&~(OCEXEC|ORCLOSE|OTRUNC)) {
switch(mode&~(ORCLOSE|OTRUNC)) {
default:
fprint(2, "Bopen: unknown mode %d\n", mode);
return 0;
@ -154,7 +154,7 @@ Bopen(char *name, int mode)
break;
case OWRITE:
f = creat(name, 0666);
f = create(name, OWRITE|OTRUNC, 0666);
if(f < 0)
return 0;
}

2
src/libbio/bseek.c
View File

@ -33,10 +33,12 @@ Bseek(Biobuf *bp, vlong offset, int base)
vlong n, d;
int bufsz;
#ifndef __MINGW32__
if(sizeof(offset) != sizeof(off_t)) {
fprint(2, "Bseek: libbio compiled with %d-byte offset\n", sizeof(off_t));
abort();
}
#endif
switch(bp->state) {
default:

5
src/libmach/Makefile
View File

@ -47,8 +47,13 @@ OFILES=\
5obj.$O\
6obj.$O\
8obj.$O\
ifneq ($(GOOS),mingw)
OFILES+=\
$(shell uname | tr A-Z a-z).$O\
endif
HFILES=../../include/mach.h elf.h macho.h obj.h
install: $(LIB)

4
src/make.bash
View File

@ -31,10 +31,10 @@ amd64 | 386 | arm)
esac
case "$GOOS" in
darwin | freebsd | linux | nacl)
darwin | freebsd | linux | mingw | nacl)
;;
*)
echo '$GOOS is set to <'$GOOS'>, must be darwin, freebsd, linux, or nacl' 1>&2
echo '$GOOS is set to <'$GOOS'>, must be darwin, freebsd, linux, mingw, or nacl' 1>&2
exit 1
esac