diff options
| -rw-r--r-- | boot/tcattr.c | 592 | ||||
| -rw-r--r-- | libdiskfs/opts-runtime-parse.c | 30 | ||||
| -rw-r--r-- | libnetfs/parse-runtime-options.c | 30 | ||||
| -rw-r--r-- | libnetfs/unparse-runtime-options.c | 33 | ||||
| -rw-r--r-- | libtrivfs/handle-port.c | 48 | ||||
| -rw-r--r-- | nfs/pager.c | 456 |
6 files changed, 0 insertions, 1189 deletions
diff --git a/boot/tcattr.c b/boot/tcattr.c deleted file mode 100644 index fcd3293e..00000000 --- a/boot/tcattr.c +++ /dev/null @@ -1,592 +0,0 @@ -/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc. -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. - -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#include <errno.h> -#include <stddef.h> -#include <termios.h> - -#undef B0 -#undef B50 -#undef B75 -#undef B110 -#undef B134 -#undef B150 -#undef B200 -#undef B300 -#undef B600 -#undef B1200 -#undef B1800 -#undef B2400 -#undef B4800 -#undef B9600 -#undef B19200 -#undef B38400 -#undef EXTA -#undef EXTB -#undef ECHO -#undef TOSTOP -#undef NOFLSH -#undef MDMBUF -#undef FLUSHO -#undef PENDIN -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS -#undef CERASE -#undef CKILL -#undef CINTR -#undef CQUIT -#undef CSTART -#undef CSTOP -#undef CEOF -#undef CEOT -#undef CBRK -#undef CSUSP -#undef CDSUSP -#undef CRPRNT -#undef CFLUSH -#undef CWERASE -#undef CLNEXT -#undef CSTATUS - -#define IOCPARM_MASK 0x7f -#define IOC_OUT 0x40000000 -#define IOC_IN 0x80000000 -#define _IOR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y) -#define _IOW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y) -#define FIONREAD _IOR('f', 127, int) -#define FIOASYNC _IOW('f', 125, int) -#define TIOCGETP _IOR('t', 8, struct sgttyb) -#define TIOCLGET _IOR('t', 124, int) -#define TIOCLSET _IOW('t', 125, int) -#define TIOCSETN _IOW('t', 10, struct sgttyb) -#define TIOCSETP _IOW('t', 9,struct sgttyb)/* set parameters -- stty */ -#define TIOCFLUSH _IOW('t', 16, int) /* flush buffers */ -#define TIOCSETC _IOW('t',17,struct tchars)/* set special characters */ -#define TIOCGETC _IOR('t',18,struct tchars)/* get special characters */ -#define TANDEM 0x00000001 /* send stopc on out q full */ -#define CBREAK 0x00000002 /* half-cooked mode */ -#define LCASE 0x00000004 /* simulate lower case */ -#define ECHO 0x00000008 /* echo input */ -#define CRMOD 0x00000010 /* map \r to \r\n on output */ -#define RAW 0x00000020 /* no i/o processing */ -#define ODDP 0x00000040 /* get/send odd parity */ -#define EVENP 0x00000080 /* get/send even parity */ -#define ANYP 0x000000c0 /* get any parity/send none */ -#define PRTERA 0x00020000 /* \ ... / erase */ -#define CRTERA 0x00040000 /* " \b " to wipe out char */ -#define TILDE 0x00080000 /* hazeltine tilde kludge */ -#define MDMBUF 0x00100000 /* start/stop output on carrier intr */ -#define LITOUT 0x00200000 /* literal output */ -#define TOSTOP 0x00400000 /* SIGSTOP on background output */ -#define FLUSHO 0x00800000 /* flush output to terminal */ -#define NOHANG 0x01000000 /* no SIGHUP on carrier drop */ -#define L001000 0x02000000 -#define CRTKIL 0x04000000 /* kill line with " \b " */ -#define PASS8 0x08000000 -#define CTLECH 0x10000000 /* echo control chars as ^X */ -#define PENDIN 0x20000000 /* tp->t_rawq needs reread */ -#define DECCTQ 0x40000000 /* only ^Q starts after ^S */ -#define NOFLSH 0x80000000 /* no output flush on signal */ -#define TIOCLSET _IOW('t', 125, int) /* set entire local mode word */ -#define TIOCLGET _IOR('t', 124, int) /* get local modes */ -#define LCRTBS (CRTBS>>16) -#define LPRTERA (PRTERA>>16) -#define LCRTERA (CRTERA>>16) -#define LTILDE (TILDE>>16) -#define LMDMBUF (MDMBUF>>16) -#define LLITOUT (LITOUT>>16) -#define LTOSTOP (TOSTOP>>16) -#define LFLUSHO (FLUSHO>>16) -#define LNOHANG (NOHANG>>16) -#define LCRTKIL (CRTKIL>>16) -#define LPASS8 (PASS8>>16) -#define LCTLECH (CTLECH>>16) -#define LPENDIN (PENDIN>>16) -#define LDECCTQ (DECCTQ>>16) -#define LNOFLSH (NOFLSH>>16) -#define TIOCSLTC _IOW('t',117,struct ltchars)/* set local special chars */ -#define TIOCGLTC _IOR('t',116,struct ltchars)/* get local special chars */ - - -#if defined(TIOCGETC) || defined(TIOCSETC) -/* Type of ARG for TIOCGETC and TIOCSETC requests. */ -struct tchars -{ - char t_intrc; /* Interrupt character. */ - char t_quitc; /* Quit character. */ - char t_startc; /* Start-output character. */ - char t_stopc; /* Stop-output character. */ - char t_eofc; /* End-of-file character. */ - char t_brkc; /* Input delimiter character. */ -}; - -#define _IOT_tchars /* Hurd ioctl type field. */ \ - _IOT (_IOTS (char), 6, 0, 0, 0, 0) -#endif - -#if defined(TIOCGLTC) || defined(TIOCSLTC) -/* Type of ARG for TIOCGLTC and TIOCSLTC requests. */ -struct ltchars -{ - char t_suspc; /* Suspend character. */ - char t_dsuspc; /* Delayed suspend character. */ - char t_rprntc; /* Reprint-line character. */ - char t_flushc; /* Flush-output character. */ - char t_werasc; /* Word-erase character. */ - char t_lnextc; /* Literal-next character. */ -}; - -#define _IOT_ltchars /* Hurd ioctl type field. */ \ - _IOT (_IOTS (char), 6, 0, 0, 0, 0) -#endif - -/* Type of ARG for TIOCGETP and TIOCSETP requests (and gtty and stty). */ -struct sgttyb -{ - char sg_ispeed; /* Input speed. */ - char sg_ospeed; /* Output speed. */ - char sg_erase; /* Erase character. */ - char sg_kill; /* Kill character. */ - short int sg_flags; /* Mode flags. */ -}; - - - - -const speed_t __bsd_speeds[] = - { - 0, - 50, - 75, - 110, - 134, - 150, - 200, - 300, - 600, - 1200, - 1800, - 2400, - 4800, - 9600, - 19200, - 38400, - }; - -extern int ioctl (); - -/* Set the state of FD to *TERMIOS_P. */ -int -tcsetattr (int fd, int optional_actions, const struct termios *termios_p) -{ - struct sgttyb buf; - struct tchars tchars; - struct ltchars ltchars; - int local; -#ifdef TIOCGETX - int extra; -#endif - size_t i; - - if (ioctl(fd, TIOCGETP, &buf) < 0 || - ioctl(fd, TIOCGETC, &tchars) < 0 || - ioctl(fd, TIOCGLTC, <chars) < 0 || -#ifdef TIOCGETX - ioctl(fd, TIOCGETX, &extra) < 0 || -#endif - ioctl(fd, TIOCLGET, &local) < 0) - return -1; - - if (termios_p == NULL) - { - errno = EINVAL; - return -1; - } - - buf.sg_ispeed = buf.sg_ospeed = -1; - for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i) - { - if (__bsd_speeds[i] == termios_p->__ispeed) - buf.sg_ispeed = i; - if (__bsd_speeds[i] == termios_p->__ospeed) - buf.sg_ospeed = i; - } - if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1) - { - errno = EINVAL; - return -1; - } - - buf.sg_flags &= ~(CBREAK|RAW); - if (!(termios_p->c_lflag & ICANON)) - buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW; -#ifdef LPASS8 - if (termios_p->c_oflag & CS8) - local |= LPASS8; - else - local &= ~LPASS8; -#endif - if (termios_p->c_lflag & _NOFLSH) - local |= LNOFLSH; - else - local &= ~LNOFLSH; - if (termios_p->c_oflag & OPOST) - local &= ~LLITOUT; - else - local |= LLITOUT; -#ifdef TIOCGETX - if (termios_p->c_lflag & ISIG) - extra &= ~NOISIG; - else - extra |= NOISIG; - if (termios_p->c_cflag & CSTOPB) - extra |= STOPB; - else - extra &= ~STOPB; -#endif - if (termios_p->c_iflag & ICRNL) - buf.sg_flags |= CRMOD; - else - buf.sg_flags &= ~CRMOD; - if (termios_p->c_iflag & IXOFF) - buf.sg_flags |= TANDEM; - else - buf.sg_flags &= ~TANDEM; - - buf.sg_flags &= ~(ODDP|EVENP); - if (!(termios_p->c_cflag & PARENB)) - buf.sg_flags |= ODDP | EVENP; - else if (termios_p->c_cflag & PARODD) - buf.sg_flags |= ODDP; - else - buf.sg_flags |= EVENP; - - if (termios_p->c_lflag & _ECHO) - buf.sg_flags |= ECHO; - else - buf.sg_flags &= ~ECHO; - if (termios_p->c_lflag & ECHOE) - local |= LCRTERA; - else - local &= ~LCRTERA; - if (termios_p->c_lflag & ECHOK) - local |= LCRTKIL; - else - local &= ~LCRTKIL; - if (termios_p->c_lflag & _TOSTOP) - local |= LTOSTOP; - else - local &= ~LTOSTOP; - - buf.sg_erase = termios_p->c_cc[VERASE]; - buf.sg_kill = termios_p->c_cc[VKILL]; - tchars.t_eofc = termios_p->c_cc[VEOF]; - tchars.t_intrc = termios_p->c_cc[VINTR]; - tchars.t_quitc = termios_p->c_cc[VQUIT]; - ltchars.t_suspc = termios_p->c_cc[VSUSP]; - tchars.t_startc = termios_p->c_cc[VSTART]; - tchars.t_stopc = termios_p->c_cc[VSTOP]; - - if (ioctl(fd, TIOCSETP, &buf) < 0 || - ioctl(fd, TIOCSETC, &tchars) < 0 || - ioctl(fd, TIOCSLTC, <chars) < 0 || -#ifdef TIOCGETX - ioctl(fd, TIOCSETX, &extra) < 0 || -#endif - ioctl(fd, TIOCLSET, &local) < 0) - return -1; - return 0; -} - - -#undef tcgetattr - -/* Put the state of FD into *TERMIOS_P. */ -int -tcgetattr (int fd, struct termios *termios_p) -{ - struct sgttyb buf; - struct tchars tchars; - struct ltchars ltchars; - int local; -#ifdef TIOCGETX - int extra; -#endif - - if (termios_p == NULL) - { - errno = EINVAL; - return -1; - } - - if (ioctl(fd, TIOCGETP, &buf) < 0 || - ioctl(fd, TIOCGETC, &tchars) < 0 || - ioctl(fd, TIOCGLTC, <chars) < 0 || -#ifdef TIOCGETX - ioctl(fd, TIOCGETX, &extra) < 0 || -#endif - ioctl(fd, TIOCLGET, &local) < 0) - return -1; - - termios_p->__ispeed = __bsd_speeds[(unsigned char) buf.sg_ispeed]; - termios_p->__ospeed = __bsd_speeds[(unsigned char) buf.sg_ospeed]; - - termios_p->c_iflag = 0; - termios_p->c_oflag = 0; - termios_p->c_cflag = 0; - termios_p->c_lflag = 0; - termios_p->c_oflag |= CREAD | HUPCL; -#ifdef LPASS8 - if (local & LPASS8) - termios_p->c_oflag |= CS8; - else -#endif - termios_p->c_oflag |= CS7; - if (!(buf.sg_flags & RAW)) - { - termios_p->c_iflag |= IXON; - termios_p->c_cflag |= OPOST; -#ifndef NOISIG - termios_p->c_lflag |= ISIG; -#endif - } - if ((buf.sg_flags & (CBREAK|RAW)) == 0) - termios_p->c_lflag |= ICANON; - if (!(buf.sg_flags & RAW) && !(local & LLITOUT)) - termios_p->c_oflag |= OPOST; - if (buf.sg_flags & CRMOD) - termios_p->c_iflag |= ICRNL; - if (buf.sg_flags & TANDEM) - termios_p->c_iflag |= IXOFF; -#ifdef TIOCGETX - if (!(extra & NOISIG)) - termios_p->c_lflag |= ISIG; - if (extra & STOPB) - termios_p->c_cflag |= CSTOPB; -#endif - - switch (buf.sg_flags & (EVENP|ODDP)) - { - case EVENP|ODDP: - break; - case ODDP: - termios_p->c_cflag |= PARODD; - default: - termios_p->c_cflag |= PARENB; - termios_p->c_iflag |= IGNPAR | INPCK; - break; - } - if (buf.sg_flags & ECHO) - termios_p->c_lflag |= _ECHO; - if (local & LCRTERA) - termios_p->c_lflag |= ECHOE; - if (local & LCRTKIL) - termios_p->c_lflag |= ECHOK; - if (local & LTOSTOP) - termios_p->c_lflag |= _TOSTOP; - if (local & LNOFLSH) - termios_p->c_lflag |= _NOFLSH; - - termios_p->c_cc[VEOF] = tchars.t_eofc; - termios_p->c_cc[VEOL] = '\n'; - termios_p->c_cc[VERASE] = buf.sg_erase; - termios_p->c_cc[VKILL] = buf.sg_kill; - termios_p->c_cc[VINTR] = tchars.t_intrc; - termios_p->c_cc[VQUIT] = tchars.t_quitc; - termios_p->c_cc[VSTART] = tchars.t_startc; - termios_p->c_cc[VSTOP] = tchars.t_stopc; - termios_p->c_cc[VSUSP] = ltchars.t_suspc; - termios_p->c_cc[VMIN] = -1; - termios_p->c_cc[VTIME] = -1; - - return 0; -} diff --git a/libdiskfs/opts-runtime-parse.c b/libdiskfs/opts-runtime-parse.c deleted file mode 100644 index 00ec2fc0..00000000 --- a/libdiskfs/opts-runtime-parse.c +++ /dev/null @@ -1,30 +0,0 @@ -/* A default diskfs_parse_runtime_options routine - - Copyright (C) 1995, 1996 Free Software Foundation, Inc. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "priv.h" - -error_t -diskfs_parse_runtime_options (int argc, char **argv, - const struct argp *standard_argp) -{ - return argp_parse (standard_argp, argc, argv, - ARGP_NO_ERRS | ARGP_NO_HELP | ARGP_PARSE_ARGV0, - 0, 0); -} diff --git a/libnetfs/parse-runtime-options.c b/libnetfs/parse-runtime-options.c deleted file mode 100644 index 1a179736..00000000 --- a/libnetfs/parse-runtime-options.c +++ /dev/null @@ -1,30 +0,0 @@ -/* A default netfs_parse_runtime_options routine - - Copyright (C) 1995, 1996 Free Software Foundation, Inc. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "netfs.h" - -error_t -netfs_parse_runtime_options (int argc, char **argv, - const struct argp *standard_argp) -{ - return argp_parse (standard_argp, argc, argv, - ARGP_NO_ERRS | ARGP_NO_HELP | ARGP_PARSE_ARGV0, - 0, 0); -} diff --git a/libnetfs/unparse-runtime-options.c b/libnetfs/unparse-runtime-options.c deleted file mode 100644 index 4596600c..00000000 --- a/libnetfs/unparse-runtime-options.c +++ /dev/null @@ -1,33 +0,0 @@ -/* A default netfs_unparse_runtime_options routine - - Copyright (C) 1995, 1996 Free Software Foundation, Inc. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "netfs.h" - -/* The user may define this function, in which case it is called when the the - filesystem receives a get-options request. ARGZ & ARGZ_LEN will contain - information on `standard' netfs options; the user may extend them - (probably by using argz_add), or ignore them, in which case case ARGZ - should be freed, as it is malloced. The default implementation simply - leaves ARGZ & ARGZ_LEN unmodified and returns sucess (0). */ -error_t -netfs_unparse_runtime_options (char **argz, size_t *argz_len) -{ - return 0; -} diff --git a/libtrivfs/handle-port.c b/libtrivfs/handle-port.c deleted file mode 100644 index 9568b88a..00000000 --- a/libtrivfs/handle-port.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - Copyright (C) 1994, 1995, 1996 Free Software Foundation - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include "priv.h" - -/* Backwards compatibility. Use trivfs_create_control. */ -mach_port_t -trivfs_handle_port (mach_port_t realnode, - struct port_class *control_class, - struct port_bucket *control_bucket, - struct port_class *protid_class, - struct port_bucket *protid_bucket) -{ - mach_port_t right; - struct trivfs_control *control; - error_t err = - trivfs_create_control (realnode, - control_class, control_bucket, - protid_class, protid_bucket, - &control); - - if (err) - return MACH_PORT_NULL; - - right = ports_get_right (control); - ports_port_deref (control); - - return right; -} - -#if 0 -#include "linkwarn.h" -obslete (trivfs_handle_port, trivfs_create_control) -#endif diff --git a/nfs/pager.c b/nfs/pager.c deleted file mode 100644 index 92df7955..00000000 --- a/nfs/pager.c +++ /dev/null @@ -1,456 +0,0 @@ -/* - Copyright (C) 1995, 1996, 1997, 1999 Free Software Foundation, Inc. - Written by Michael I. Bushnell, p/BSG. - - This file is part of the GNU Hurd. - - The GNU Hurd is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - The GNU Hurd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ - - -#include "nfs.h" -#include <unistd.h> -#include <hurd/pager.h> -#include <netinet/in.h> -#include <string.h> - -struct user_pager_info -{ - struct node *np; - struct pager *p; - int max_prot; -}; - -struct pager_cache_rec -{ - struct pager_cache_rec *next; - vm_offset_t offset; - struct pager *p; - time_t fetched; -}; - -static struct pager_cache_rec *pager_cache_recs; -static spin_lock_t pager_cache_rec_lock = SPIN_LOCK_INITIALIZER; -static spin_lock_t node2pagelock = SPIN_LOCK_INITIALIZER; -static struct port_bucket *pager_bucket; - -void -register_new_page (struct pager *p, vm_offset_t offset) -{ - struct pager_cache_rec *pc; - - pc = malloc (sizeof (struct pager_cache_rec)); - pc->offset = offset; - pc->p = p; - ports_port_ref (p); - pc->fetched = mapped_time->seconds; - - spin_lock (&pager_cache_rec_lock); - pc->next = pager_cache_recs; - pager_cache_recs = pc; - spin_unlock (&pager_cache_rec_lock); -} - -any_t -flush_pager_cache_thread (any_t foo2) -{ - struct pager_cache_rec *pc, *next, **ppc, *list; - - for (;;) - { - sleep (1); - - /* Dequeue from the main list and queue locally the recs - for expired pages. */ - list = 0; - spin_lock (&pager_cache_rec_lock); - for (pc = pager_cache_recs, ppc = &pager_cache_recs; - pc; - ppc = &pc->next, pc = next) - { - next = pc->next; - if (mapped_time->seconds - pc->fetched > cache_timeout) - { - *ppc = pc->next; - pc->next = list; - list = pc; - } - } - spin_unlock (&pager_cache_rec_lock); - - /* And now, one at a time, expire them */ - for (pc = list; pc; pc = next) - { - pager_return_some (pc->p, pc->offset, vm_page_size, 0); - next = pc->next; - ports_port_deref (pc->p); - free (pc); - } - } -} - -error_t -pager_read_page (struct user_pager_info *pager, - vm_offset_t page, - vm_address_t *buf, - int *writelock) -{ - error_t err; - int *p; - void *rpcbuf; - struct node *np; - size_t amt, thisamt, trans_len; - void *data; - off_t offset; - - np = pager->np; - - mutex_lock (&np->lock); - - *buf = (vm_address_t) mmap (0, vm_page_size, PROT_READ|PROT_WRITE, - MAP_ANON, 0, 0); - data = (char *) *buf; - amt = vm_page_size; - offset = page; - - while (amt) - { - thisamt = amt; - if (thisamt > read_size) - thisamt = read_size; - - p = nfs_initialize_rpc (NFSPROC_READ, (struct iouser *)-1, 0, - &rpcbuf, np, -1); - p = xdr_encode_fhandle (p, &np->nn->handle); - *p++ = htonl (offset); - *p++ = htonl (vm_page_size); - *p++ = 0; - - err = conduct_rpc (&rpcbuf, &p); - if (!err) - err = nfs_error_trans (ntohl (*p++)); - if (err) - { - mutex_unlock (&np->lock); - free (rpcbuf); - munmap ((caddr_t) *buf, vm_page_size); - return err; - } - - p = register_fresh_stat (np, p); - trans_len = ntohl (*p++); - if (trans_len > thisamt) - trans_len = thisamt; /* ??? */ - - bcopy (p, data, trans_len); - - free (rpcbuf); - - data += trans_len; - offset += trans_len; - amt -= trans_len; - - /* If we got a short count, we're all done. */ - if (trans_len < thisamt) - break; - } - - register_new_page (pager->p, page); - mutex_unlock (&np->lock); - return 0; -} - - -error_t -pager_write_page (struct user_pager_info *pager, - vm_offset_t page, - vm_address_t buf) -{ - int *p; - void *rpcbuf; - error_t err; - size_t amt, thisamt; - off_t offset; - struct node *np; - void *data; - - np = pager->np; - mutex_lock (&np->lock); - - amt = vm_page_size; - offset = page; - data = (void *) buf; - - while (amt) - { - thisamt = amt; - if (amt > write_size) - amt = write_size; - - p = nfs_initialize_rpc (NFSPROC_WRITE, (struct iouser *) -1, - amt, &rpcbuf, np, -1); - p = xdr_encode_fhandle (p, &np->nn->handle); - *p++ = 0; - *p++ = htonl (offset); - *p++ = 0; - p = xdr_encode_data (p, data, thisamt); - - err = conduct_rpc (&rpcbuf, &p); - if (!err) - err = nfs_error_trans (ntohl (*p++)); - if (err) - { - free (rpcbuf); - vm_deallocate (mach_task_self (), buf, vm_page_size); - return err; - } - register_fresh_stat (np, p); - free (rpcbuf); - amt -= thisamt; - data += thisamt; - offset += thisamt; - } - - vm_deallocate (mach_task_self (), buf, vm_page_size); - mutex_unlock (&np->lock); - return 0; -} - -error_t -pager_unlock_page (struct user_pager_info *pager, - vm_offset_t address) -{ - abort (); -} - -error_t -pager_report_extent (struct user_pager_info *pager, - vm_address_t *offset, - vm_size_t *size) -{ - struct node *np; - error_t err; - - np = pager->np; - mutex_lock (&np->lock); - - err = netfs_validate_stat (np, 0); - if (!err) - *size = round_page (np->nn_stat.st_size); - mutex_unlock (&np->lock); - return err; -} - -void -pager_clear_user_data (struct user_pager_info *upi) -{ - spin_lock (&node2pagelock); - if (upi->np->nn->fileinfo == upi) - upi->np->nn->fileinfo = 0; - spin_unlock (&node2pagelock); - netfs_nrele (upi->np); - free (upi); -} - -void -pager_dropweak (struct user_pager_info *upi) -{ - abort (); -} - -mach_port_t -netfs_get_filemap (struct node *np, vm_prot_t prot) -{ - struct user_pager_info *upi; - mach_port_t right; - - spin_lock (&node2pagelock); - do - if (!np->nn->fileinfo) - { - upi = malloc (sizeof (struct user_pager_info)); - upi->np = np; - netfs_nref (np); - upi->max_prot = prot; - upi->p = pager_create (upi, pager_bucket, 1, MEMORY_OBJECT_COPY_NONE); - if (upi->p == 0) - { - netfs_nrele (np); - free (upi); - spin_unlock (&node2pagelock); - return MACH_PORT_NULL; - } - np->nn->fileinfo = upi; - right = pager_get_port (np->nn->fileinfo->p); - ports_port_deref (np->nn->fileinfo->p); - } - else - { - np->nn->fileinfo->max_prot |= prot; - /* Because NP->dn->fileinfo->p is not a real reference, - this might be nearly deallocated. If that's so, then - the port right will be null. In that case, clear here - and loop. The deallocation will complete separately. */ - right = pager_get_port (np->nn->fileinfo->p); - if (right == MACH_PORT_NULL) - np->nn->fileinfo = 0; - } - while (right == MACH_PORT_NULL); - - spin_unlock (&node2pagelock); - - mach_port_insert_right (mach_task_self (), right, right, - MACH_MSG_TYPE_MAKE_SEND); - return right; -} - -void -drop_pager_softrefs (struct node *np) -{ - struct user_pager_info *upi; - - spin_lock (&node2pagelock); - upi = np->nn->fileinfo; - if (upi) - ports_port_ref (upi->p); - spin_unlock (&node2pagelock); - - if (upi) - { - pager_change_attributes (upi->p, 0, MEMORY_OBJECT_COPY_NONE, 0); - ports_port_deref (upi->p); - } -} - -void -allow_pager_softrefs (struct node *np) -{ - struct user_pager_info *upi; - - spin_lock (&node2pagelock); - upi = np->nn->fileinfo; - if (upi) - ports_port_ref (upi->p); - spin_unlock (&node2pagelock); - - if (upi) - { - pager_change_attributes (upi->p, 1, MEMORY_OBJECT_COPY_NONE, 0); - ports_port_deref (upi->p); - } -} - -void -block_caching () -{ - error_t block_cache (void *arg) - { - struct pager *p = arg; - pager_change_attributes (p, 0, MEMORY_OBJECT_COPY_NONE, 1); - return 0; - } - ports_bucket_iterate (pager_bucket, block_cache); -} - -void -enable_caching () -{ - error_t enable_cache (void *arg) - { - struct pager *p = arg; - struct user_pager_info *upi = pager_get_upi (p); - - pager_change_attributes (p, 1, MEMORY_OBJECT_COPY_NONE, 0); - return 0; - } - - ports_bucket_iterate (pager_bucket, enable_cache); -} - -int -netfs_pager_users () -{ - int npagers = ports_count_bucket (pager_bucket); - - if (!npagers) - return 0; - - block_caching (); - /* Give it a sec; the kernel doesn't issue the shutdown right away */ - sleep (1); - npagers = ports_count_bucket (pager_bucket); - if (!npagers) - return 0; - - enable_caching (); - - ports_enable_bucket (pager_bucket); -} - -vm_prot_t -netfs_max_user_pager_prot () -{ - vm_prot_t max_prot; - int npagers = ports_count_bucket (pager_bucket); - - if (npagers) - { - error_t add_pager_max_prot (void *v_p) - { - struct pager *p = v_p; - struct user_pager_info *upi = pager_get_upi (p); - max_prot |= upi->max_prot; - return max_prot == (VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE); - } - - block_caching (); - sleep (1); - - ports_bucket_iterate (pager_bucket, add_pager_max_prot); - enable_caching (); - } - - ports_enable_bucket (pager_bucket); - return max_prot; -} - -void -netfs_shutdown_pager () -{ - error_t shutdown_one (void *arg) - { - pager_shutdown ((struct pager *) arg); - return 0; - } - - ports_bucket_iterate (pager_bucket, shutdown_one); -} - -void -netfs_sync_everything (int wait) -{ - error_t sync_one (void *arg) - { - pager_sync ((struct pager *) arg, wait); - return 0; - } - ports_bucket_iterate (pager_bucket, sync_one); -} - -void -pager_initialize (void) -{ - pager_bucket = ports_create_bucket (); - cthread_detach (cthread_fork (flush_pager_cache_thread, 0)); - |