2 * Acess2 POSIX Emulation Layer
6 * - POSIX->Acess VFS call translation
11 #include <sys/select.h>
14 #include <acess/devices/pty.h>
17 int unlink(const char *pathname)
19 return _SysUnlink(pathname);
22 int open(const char *path, int openmode, ...)
24 mode_t create_mode = 0;
27 switch( openmode & O_RDWR )
31 case O_RDONLY: openflags |= OPENFLAG_READ; break;
32 case O_WRONLY: openflags |= OPENFLAG_WRITE; break;
33 case O_RDWR: openflags |= OPENFLAG_READ|OPENFLAG_WRITE; break;
36 if( openmode & O_CREAT ) {
37 openflags |= OPENFLAG_CREATE;
39 va_start(args, openmode);
40 create_mode = va_arg(args, mode_t);
44 if( openmode & O_NONBLOCK )
45 openflags |= OPENFLAG_NONBLOCK;
47 int ret = _SysOpen(path, openflags, create_mode);
48 _SysDebug("open('%s', 0%o, 0%o) = %i", path, openmode, create_mode, ret);
52 int creat(const char *path, mode_t mode)
54 // TODO: Make native call to do this cheaper
55 int fd = _SysOpen(path, OPENFLAG_CREATE, mode);
56 if( fd == -1 ) return -1;
67 ssize_t write(int fd, const void *buf, size_t count)
69 return _SysWrite(fd, buf, count);
72 ssize_t read(int fd, void *buf, size_t count)
74 return _SysRead(fd, buf, count);
77 int seek(int fd, int whence, off_t dest)
79 return _SysSeek(fd, whence, dest);
82 off_t lseek(int fd, off_t offset, int whence)
84 return _SysSeek(fd, whence, offset);
94 return _SysClone(CLONE_VM, 0);
97 int execv(const char *b, char *v[])
99 return _SysExecVE(b, v, NULL);
104 _SysDebug("libposix: dup() does not share offsets/flags");
105 // NOTE: Acess's CopyFD doesn't cause offset sharing
106 int ret = _SysCopyFD(oldfd, -1);
107 _SysDebug("dup(%i) = %i", oldfd, ret);
111 int dup2(int oldfd, int newfd)
113 _SysDebug("libposix: dup2() does not share offsets/flags");
114 // NOTE: Acess's CopyFD doesn't cause offset sharing
115 _SysDebug("dup2(%i,%i)", oldfd, newfd);
116 return _SysCopyFD(oldfd, newfd);
121 * Set session ID to PID
125 // TODO: actual syscall for this
141 // TODO: Impliment EUIDs in-kernel?
145 int kill(pid_t pid, int signal)
147 // TODO: Need special handling?
148 return _SysKill(pid, signal);
151 int select(int nfd, fd_set *rfd, fd_set *wfd, fd_set *efd, struct timeval *timeout)
153 long long int ltimeout = 0, *ltimeoutp = NULL;
156 ltimeout = timeout->tv_sec*1000 + timeout->tv_usec / 1000;
157 ltimeoutp = <imeout;
159 _SysDebug("select(%i,{0x%x},{0x%x},{0x%x},%lli)",
160 nfd, (rfd?rfd->flags[0]:0), (wfd?wfd->flags[0]:0), (efd?efd->flags[0]:0),
161 (ltimeoutp ? *ltimeoutp : -1)
163 return _SysSelect(nfd, rfd, wfd, efd, ltimeoutp, 0);
166 int pipe(int pipefd[2])
168 pipefd[0] = _SysOpen("/Devices/fifo/anon", OPENFLAG_READ|OPENFLAG_WRITE);
169 pipefd[1] = _SysCopyFD(pipefd[0], -1);
170 _SysFDFlags(pipefd[1], OPENFLAG_READ|OPENFLAG_WRITE, OPENFLAG_WRITE);
171 _SysDebug("pipe({%i,%i})", pipefd[0], pipefd[1]);
175 int chdir(const char *dir)
177 return _SysChdir(dir);
180 int mkdir(const char *pathname, mode_t mode)
182 _SysDebug("TODO: POSIX mkdir('%s', 0%o)", pathname, mode);
187 char *getpass(const char *prompt)
189 static char passbuf[PASS_MAX+1];
190 struct ptymode oldmode, mode;
191 _SysIOCtl(STDIN_FILENO, PTY_IOCTL_GETMODE, &oldmode);
192 mode.InputMode = PTYIMODE_CANON;
194 _SysIOCtl(STDIN_FILENO, PTY_IOCTL_SETMODE, &mode);
195 fprintf(stderr, "%s", prompt);
196 fgets(passbuf, PASS_MAX+1, stdin);
197 fprintf(stderr, "\n");
198 for( int i = strlen(passbuf); i > 0 && (passbuf[i-1] == '\r' || passbuf[i-1] == '\n'); i -- )
201 _SysIOCtl(STDIN_FILENO, PTY_IOCTL_SETMODE, &oldmode);