2 * Acess2 POSIX Emulation Layer
6 * - POSIX->Acess VFS call translation
11 #include <sys/select.h>
15 int unlink(const char *pathname)
17 return _SysUnlink(pathname);
20 int open(const char *path, int openmode, ...)
22 mode_t create_mode = 0;
25 switch( openmode & O_RDWR )
29 case O_RDONLY: openflags |= OPENFLAG_READ; break;
30 case O_WRONLY: openflags |= OPENFLAG_WRITE; break;
31 case O_RDWR: openflags |= OPENFLAG_READ|OPENFLAG_WRITE; break;
34 if( openmode & O_CREAT ) {
35 openflags |= OPENFLAG_CREATE;
37 va_start(args, openmode);
38 create_mode = va_arg(args, mode_t);
42 if( openmode & O_NONBLOCK )
43 openflags |= OPENFLAG_NONBLOCK;
45 int ret = _SysOpen(path, openflags, create_mode);
46 _SysDebug("open('%s', 0%o, 0%o) = %i", path, openmode, create_mode, ret);
50 int creat(const char *path, mode_t mode)
52 // TODO: Make native call to do this cheaper
53 int fd = _SysOpen(path, OPENFLAG_CREATE, mode);
54 if( fd == -1 ) return -1;
65 ssize_t write(int fd, const void *buf, size_t count)
67 return _SysWrite(fd, buf, count);
70 ssize_t read(int fd, void *buf, size_t count)
72 return _SysRead(fd, buf, count);
75 int seek(int fd, int whence, off_t dest)
77 return _SysSeek(fd, whence, dest);
87 return _SysClone(CLONE_VM, 0);
90 int execv(const char *b, char *v[])
92 return _SysExecVE(b, v, NULL);
97 _SysDebug("libposix: dup() does not share offsets/flags");
98 // NOTE: Acess's CopyFD doesn't cause offset sharing
99 int ret = _SysCopyFD(oldfd, -1);
100 _SysDebug("dup(%i) = %i", oldfd, ret);
104 int dup2(int oldfd, int newfd)
106 _SysDebug("libposix: dup2() does not share offsets/flags");
107 // NOTE: Acess's CopyFD doesn't cause offset sharing
108 _SysDebug("dup2(%i,%i)", oldfd, newfd);
109 return _SysCopyFD(oldfd, newfd);
114 * Set session ID to PID
118 // TODO: actual syscall for this
134 // TODO: Impliment EUIDs in-kernel?
138 int kill(pid_t pid, int signal)
140 // TODO: Need special handling?
141 return _SysKill(pid, signal);
144 int select(int nfd, fd_set *rfd, fd_set *wfd, fd_set *efd, struct timeval *timeout)
146 long long int ltimeout = 0, *ltimeoutp = NULL;
149 ltimeout = timeout->tv_sec*1000 + timeout->tv_usec / 1000;
150 ltimeoutp = <imeout;
152 _SysDebug("select(%i,{0x%x},{0x%x},{0x%x},%lli)",
153 nfd, (rfd?rfd->flags[0]:0), (wfd?wfd->flags[0]:0), (efd?efd->flags[0]:0),
154 (ltimeoutp ? *ltimeoutp : -1)
156 return _SysSelect(nfd, rfd, wfd, efd, ltimeoutp, 0);
159 int pipe(int pipefd[2])
161 pipefd[0] = _SysOpen("/Devices/fifo/anon", OPENFLAG_READ|OPENFLAG_WRITE);
162 pipefd[1] = _SysCopyFD(pipefd[0], -1);
163 _SysFDFlags(pipefd[1], OPENFLAG_READ|OPENFLAG_WRITE, OPENFLAG_WRITE);
164 _SysDebug("pipe({%i,%i})", pipefd[0], pipefd[1]);
168 int chdir(const char *dir)
170 return _SysChdir(dir);
173 int mkdir(const char *pathname, mode_t mode)
175 _SysDebug("TODO: POSIX mkdir(%i, 0%o)", pathname, mode);
179 char *getpass(const char *prompt)
181 static char passbuf[PASS_MAX+1];
182 fprintf(stderr, "%s", prompt);
183 fgets(passbuf, PASS_MAX+1, stdin);
184 fprintf(stderr, "\n");