2 * Acess2 POSIX Emulation Layer
6 * - POSIX->Acess VFS call translation
11 #include <sys/select.h>
14 #include <acess/devices/pty.h>
18 int unlink(const char *pathname)
20 return _SysUnlink(pathname);
23 int open(const char *path, int openmode, ...)
25 mode_t create_mode = 0;
28 switch( openmode & O_RDWR )
32 case O_RDONLY: openflags |= OPENFLAG_READ; break;
33 case O_WRONLY: openflags |= OPENFLAG_WRITE; break;
34 case O_RDWR: openflags |= OPENFLAG_READ|OPENFLAG_WRITE; break;
37 if( openmode & O_CREAT ) {
38 openflags |= OPENFLAG_CREATE;
40 va_start(args, openmode);
41 create_mode = va_arg(args, mode_t);
45 if( openmode & O_NONBLOCK )
46 openflags |= OPENFLAG_NONBLOCK;
48 int ret = _SysOpen(path, openflags, create_mode);
49 _SysDebug("open('%s', 0%o, 0%o) = %i", path, openmode, create_mode, ret);
53 int creat(const char *path, mode_t mode)
55 // TODO: Make native call to do this cheaper
56 int fd = _SysOpen(path, OPENFLAG_CREATE, mode);
57 if( fd == -1 ) return -1;
68 ssize_t write(int fd, const void *buf, size_t count)
70 return _SysWrite(fd, buf, count);
73 ssize_t read(int fd, void *buf, size_t count)
75 return _SysRead(fd, buf, count);
78 int seek(int fd, int whence, off_t dest)
80 return _SysSeek(fd, whence, dest);
83 off_t lseek(int fd, off_t offset, int whence)
85 return _SysSeek(fd, whence, offset);
95 return _SysClone(CLONE_VM, 0);
98 int execv(const char *b, char *v[])
100 return _SysExecVE(b, v, NULL);
105 _SysDebug("libposix: dup() does not share offsets/flags");
106 // NOTE: Acess's CopyFD doesn't cause offset sharing
107 int ret = _SysCopyFD(oldfd, -1);
108 _SysDebug("dup(%i) = %i", oldfd, ret);
112 int dup2(int oldfd, int newfd)
114 _SysDebug("libposix: dup2() does not share offsets/flags");
115 // NOTE: Acess's CopyFD doesn't cause offset sharing
116 _SysDebug("dup2(%i,%i)", oldfd, newfd);
117 return _SysCopyFD(oldfd, newfd);
120 int chown(const char *path, uid_t owner, gid_t group)
122 _SysDebug("TODO: chown(%s, %i, %i)", path, owner, group);
126 int chmod(const char *path, mode_t mode)
128 _SysDebug("TODO: chmod(%s, 0%o)", path, mode);
134 * Set session ID to PID
138 // TODO: actual syscall for this
158 // TODO: Impliment EUIDs in-kernel?
162 int seteuid(uid_t euid)
164 _SysDebug("TODO: %s", __func__);
167 int setegid(gid_t egid)
169 _SysDebug("TODO: %s", __func__);
173 unsigned int sleep(unsigned int seconds)
175 int64_t start = _SysTimestamp();
176 _SysTimedSleep( seconds*1000 );
177 return (_SysTimestamp() - start) / 1000;
180 int usleep(useconds_t usec)
182 _SysTimedSleep( (usec+999)/1000 );
186 unsigned int alarm(unsigned int seconds)
188 static int64_t alarm_time;
191 alarm_time = _SysTimestamp() + seconds * 1000;
192 // TODO: Schedule SIGALRM
194 return (alarm_time - _SysTimestamp()) / 1000;
197 int kill(pid_t pid, int signal)
199 // TODO: Need special handling?
200 return _SysKill(pid, signal);
203 int select(int nfd, fd_set *rfd, fd_set *wfd, fd_set *efd, struct timeval *timeout)
205 long long int ltimeout = 0, *ltimeoutp = NULL;
208 ltimeout = timeout->tv_sec*1000 + timeout->tv_usec / 1000;
209 ltimeoutp = <imeout;
211 _SysDebug("select(%i,{0x%x},{0x%x},{0x%x},%lli)",
212 nfd, (rfd?rfd->flags[0]:0), (wfd?wfd->flags[0]:0), (efd?efd->flags[0]:0),
213 (ltimeoutp ? *ltimeoutp : -1)
215 return _SysSelect(nfd, rfd, wfd, efd, ltimeoutp, 0);
218 int pipe(int pipefd[2])
220 pipefd[0] = _SysOpen("/Devices/fifo/anon", OPENFLAG_READ|OPENFLAG_WRITE);
221 pipefd[1] = _SysCopyFD(pipefd[0], -1);
222 _SysFDFlags(pipefd[1], OPENFLAG_READ|OPENFLAG_WRITE, OPENFLAG_WRITE);
223 _SysDebug("pipe({%i,%i})", pipefd[0], pipefd[1]);
227 int chdir(const char *dir)
229 return _SysChdir(dir);
232 int rmdir(const char *pathname)
234 // return _SysUnlink(pathname);
235 _SysDebug("TODO: POSIX rmdir('%s')", pathname);
240 int mkdir(const char *pathname, mode_t mode)
242 _SysDebug("TODO: POSIX mkdir('%s', 0%o)", pathname, mode);
247 char *getpass(const char *prompt)
249 static char passbuf[PASS_MAX+1];
250 struct ptymode oldmode, mode;
251 _SysIOCtl(STDIN_FILENO, PTY_IOCTL_GETMODE, &oldmode);
252 mode.InputMode = PTYIMODE_CANON;
254 _SysIOCtl(STDIN_FILENO, PTY_IOCTL_SETMODE, &mode);
255 fprintf(stderr, "%s", prompt);
256 fflush(stdin); // clear stdin buffer
257 fgets(passbuf, PASS_MAX+1, stdin);
258 fprintf(stderr, "\n");
259 for( int i = strlen(passbuf); i > 0 && (passbuf[i-1] == '\r' || passbuf[i-1] == '\n'); i -- )
262 _SysIOCtl(STDIN_FILENO, PTY_IOCTL_SETMODE, &oldmode);
267 char *ttyname(int fd)
269 static char ttyname_buf[32];
270 errno = ttyname_r(fd, ttyname_buf, sizeof(ttyname_buf));
271 if(errno) return NULL;
275 int ttyname_r(int fd, char *buf, size_t buflen)
277 int type = _SysIOCtl(fd, DRV_IOCTL_TYPE, NULL);
280 if( type != DRV_TYPE_TERMINAL )
283 _SysIOCtl(fd, PTY_IOCTL_GETID, NULL);
285 _SysDebug("TODO: ttyname_r");