13505ca8fc
* devices.h (FH_KMSG): Define new device. * devices.in: Add "/dev/kmsg" entry. * devices.cc: Regenerate. * dtable.cc (build_fh_pc): Handle case FH_KMSG. * fhandler.h (class fhandler_mailslot): New class. (class select_stuff): Add device_specific_mailslot pointer. * fhandler_mailslot.cc: New file. * select.cc (peek_mailslot): New function. (verify_mailslot): Ditto. (struct mailslotinf): New stuct to handle select on mailslots. (thread_mailslot): New function. (start_thread_mailslot): Ditto. (mailslot_cleanup): Ditto. (fhandler_mailslot::select_read): New method. * syslog.cc (klog_guard): New muto. (dev_kmsg): Local mailslot for kernel message device. (vklog): New function. (klog): Ditto. * winsup.h (vklog): Declare. (klog): Ditto. * include/sys/syslog.h: Define _PATH_KLOG.
153 lines
3.8 KiB
Plaintext
153 lines
3.8 KiB
Plaintext
%import {
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#include "winsup.h"
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#include <sys/types.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include "devices.h"
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#include "sys/cygwin.h"
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#include "tty.h"
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#include "pinfo.h"
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typedef const device *KR_device_t;
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}
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%type KR_device_t
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%local {
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const device dev_cygdrive_storage =
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{"/cygdrive", {FH_CYGDRIVE}, "/cygdrive"};
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const device dev_fs_storage =
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{"", {FH_FS}, ""};
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const device dev_proc_storage =
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{"", {FH_PROC}, ""};
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const device dev_netdrive_storage =
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{"", {FH_NETDRIVE}, ""};
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const device dev_registry_storage =
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{"", {FH_REGISTRY}, ""};
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const device dev_piper_storage =
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{"", {FH_PIPER}, ""};
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const device dev_pipew_storage =
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{"", {FH_PIPEW}, ""};
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const device dev_tcp_storage =
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{"", {FH_TCP}, ""};
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const device dev_udp_storage =
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{"", {FH_UDP}, ""};
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const device dev_stream_storage =
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{"", {FH_STREAM}, ""};
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const device dev_dgram_storage =
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{"", {FH_DGRAM}, ""};
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const device dev_bad_storage =
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{"", {FH_BAD}, ""};
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#define BRACK(x) {x}
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%storage_here
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}
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%%
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"/dev/tty", BRACK(FH_TTY), "\\dev\\tty"
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"/dev/tty%(0-63)d", BRACK(FHDEV(DEV_TTYS_MAJOR, {$1})), "\\dev\\tty{$1}", ttys_dev
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"/dev/console", BRACK(FH_CONSOLE), "\\dev\\console", console_dev
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"/dev/ttym", BRACK(FH_TTYM), "\\dev\\ttym", ttym_dev
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"/dev/ptmx", BRACK(FH_PTYM), "\\dev\\ptmx"
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"/dev/windows", BRACK(FH_WINDOWS), "\\dev\\windows"
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"/dev/dsp", BRACK(FH_OSS_DSP), "\\dev\\dsp"
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"/dev/conin", BRACK(FH_CONIN), "conin"
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"/dev/conout", BRACK(FH_CONOUT), "conout"
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"/dev/null", BRACK(FH_NULL), "nul"
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"/dev/zero", BRACK(FH_ZERO), "\\dev\\zero"
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"/dev/full", BRACK(FH_FULL), "\\dev\\full"
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"/dev/random", BRACK(FH_RANDOM), "\\dev\\random"
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"/dev/urandom", BRACK(FH_URANDOM), "\\dev\\urandom", urandom_dev
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"/dev/mem", BRACK(FH_MEM), "\\dev\\mem"
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"/dev/kmem", BRACK(FH_KMEM), "\\dev\\mem"
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"/dev/clipboard", BRACK(FH_CLIPBOARD), "\\dev\\clipboard"
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"/dev/port", BRACK(FH_PORT), "\\dev\\port"
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"/dev/com%(1-16)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1})), "\\\\.\\com{$1}"
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"/dev/ttyS%(0-15)d", BRACK(FHDEV(DEV_SERIAL_MAJOR, {$1 + 1})), "\\\\.\\com{$1 + 1}"
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"/dev/pipe", BRACK(FH_PIPE), "\\dev\\pipe"
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"/dev/fifo", BRACK(FH_FIFO), "\\dev\\fifo"
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"/dev/st%(0-127)d", BRACK(FHDEV(DEV_TAPE_MAJOR, {$1})), "\\Device\\Tape{$1}"
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"/dev/nst%(0-127)d", BRACK(FHDEV(DEV_TAPE_MAJOR, {$1 + 128})), "\\Device\\Tape{$1}"
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"/dev/fd%(0-15)d", BRACK(FHDEV(DEV_FLOPPY_MAJOR, {$1})), "\\Device\\Floppy{$1}"
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"/dev/scd%(0-15)d", BRACK(FHDEV(DEV_CDROM_MAJOR, {$1})), "\\Device\\CdRom{$1}"
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"/dev/sr%(0-15)d", BRACK(FHDEV(DEV_CDROM_MAJOR, {$1})), "\\Device\\CdRom{$1}"
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"/dev/sd%{a-z}s", BRACK(FH_SD{uc $1}), "\\Device\\Harddisk{ord($1) - ord('a')}\\Partition0"
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"/dev/sd%{a-z}s%(1-15)d", BRACK(FH_SD{uc $1} | {$2}), "\\Device\\Harddisk{ord($1) - ord('a')}\\Partition{$2 % 16}"
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"/dev/kmsg", BRACK(FH_KMSG), "\\\\.\\mailslot\\cygwin\\dev\\kmsg"
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%other {return NULL;}
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%%
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#undef BRACK
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void
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device::parse (const char *s)
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{
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size_t len = strlen (s);
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const device *dev = KR_find_keyword (s, len);
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if (!dev)
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*this = *fs_dev;
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else
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*this = *dev;
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}
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void
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device::init ()
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{
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/* nothing to do... yet */
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}
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void
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device::parse (_major_t major, _minor_t minor)
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{
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_dev_t dev = FHDEV (major, minor);
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devn = 0;
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for (unsigned i = 0; i < (sizeof (dev_storage) / sizeof (dev_storage[0])); i++)
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if (dev_storage[i].devn == dev)
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{
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*this = dev_storage[i];
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break;
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}
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if (!*this)
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devn = FHDEV (major, minor);
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return;
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}
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void
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device::parse (_dev_t dev)
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{
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parse (_major (dev), _minor (dev));
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}
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void
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device::tty_to_real_device ()
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{
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if (!real_tty_attached (myself))
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*this = myself->ctty < 0 ? dev_bad_storage : *console_dev;
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else
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parse (DEV_TTYS_MAJOR, myself->ctty);
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}
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void
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device::parsedisk (int drive, int part)
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{
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int base;
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if (drive < ('q' - 'a'))
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base = DEV_SD_MAJOR;
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else
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{
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base = DEV_SD1_MAJOR;
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drive -= 'q' - 'a';
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}
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parse (base, part + (drive * 16));
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}
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