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(iom, fdmax, newoutput): Serve no purpose since previous rev., remove

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along with code to maintain them.  This removes the last uses of
io_mask.c io_mask.h; remove them.
This commit is contained in:
Markus Armbruster 2004-02-07 02:01:47 +00:00
parent c865f885e5
commit ffcf6bff0f
5 changed files with 2 additions and 210 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/lib/gen/Makefile
View file

@ -37,13 +37,13 @@ NTLIB = $(SRCDIR)\lib\libgen.lib
OBJS = atoip.o chance.o copy.o disassoc.o \
emp_config.o getstarg.o getstring.o inet.o io.o \
io_mask.o ioqueue.o mapdist.o minmax.o numstr.o onearg.o \
ioqueue.o mapdist.o minmax.o numstr.o onearg.o \
parse.o plur.o queue.o round.o scthash.o \
strdup.o
NTOBJS = atoip.obj chance.obj copy.obj disassoc.obj \
emp_config.obj getstarg.obj getstring.obj \
inet.obj io.obj io_mask.obj ioqueue.obj mapdist.obj minmax.obj \
inet.obj io.obj ioqueue.obj mapdist.obj minmax.obj \
numstr.obj onearg.obj parse.obj plur.obj queue.obj round.obj \
scthash.obj strdup.obj

36
src/lib/gen/io.c
View file

@ -58,7 +58,6 @@
#include "misc.h"
#include "queue.h"
#include "ioqueue.h"
#include "io_mask.h"
#include "empio.h"
#include "gen.h" /* getfdtablesize */
@ -66,10 +65,6 @@
extern struct player *player; /* XXX */
static struct io_mask *iom;
static int fdmax; /* largest file descriptor seen */
static fd_set newoutput;
struct iop {
int fd;
struct ioqueue *input;
@ -83,9 +78,6 @@ struct iop {
void
io_init(void)
{
iom = iom_create(IO_READ | IO_WRITE);
fdmax = 0;
FD_ZERO(&newoutput);
}
struct iop *
@ -114,8 +106,6 @@ io_open(int fd, int flags, int bufsize, int (*notify) (void),
iop->flags = flags;
iop->assoc = assoc;
iop->notify = notify;
iom_set(iom, flags, fd);
if (fd > fdmax) fdmax = fd;
return iop;
}
@ -127,8 +117,6 @@ io_close(struct iop *iop)
ioq_destroy(iop->input);
if (iop->output != 0)
ioq_destroy(iop->output);
iom_clear(iom, iop->flags, iop->fd);
FD_CLR(iop->fd, &newoutput);
#if !defined(_WIN32)
(void)close(iop->fd);
#else
@ -163,7 +151,6 @@ io_input(struct iop *iop, int waitforinput)
/* Some form of file error occurred... */
iop->flags |= IO_ERROR;
iom_clear(iom, IO_READ, iop->fd);
return -1;
}
#else
@ -176,7 +163,6 @@ io_input(struct iop *iop, int waitforinput)
/* Some form of file error occurred... */
iop->flags |= IO_ERROR;
iom_clear(iom, IO_READ, iop->fd);
return -1;
}
#endif
@ -220,9 +206,6 @@ io_output(struct iop *iop, int waitforoutput)
if (!io_outputwaiting(iop))
return 0;
/* bit clear */
FD_CLR(iop->fd, &newoutput);
/* If the iop is not write enabled. */
if ((iop->flags & IO_WRITE) == 0)
return -1;
@ -246,8 +229,6 @@ io_output(struct iop *iop, int waitforoutput)
#endif
if (n <= 0) {
/* If we got no elements, we have no output.... */
iom_clear(iom, IO_WRITE, iop->fd);
return 0;
}
@ -268,12 +249,9 @@ io_output(struct iop *iop, int waitforoutput)
if (errno == EWOULDBLOCK) {
/* If there are remaining bytes, set the IO as remaining.. */
remain = ioq_qsize(iop->output);
if (remain > 0)
iom_set(iom, IO_WRITE, iop->fd);
return remain;
}
iop->flags |= IO_ERROR;
iom_clear(iom, IO_WRITE, iop->fd);
return -1;
}
#else
@ -286,12 +264,9 @@ io_output(struct iop *iop, int waitforoutput)
if (err == WSAEWOULDBLOCK) {
/* If there are remaining bytes, set the IO as remaining.. */
remain = ioq_qsize(iop->output);
if (remain > 0)
iom_set(iom, IO_WRITE, iop->fd);
return remain;
}
iop->flags |= IO_ERROR;
iom_clear(iom, IO_WRITE, iop->fd);
return -1;
}
#endif
@ -306,8 +281,6 @@ io_output(struct iop *iop, int waitforoutput)
#else
if (cc == 0) {
remain = ioq_qsize(iop->output);
if (remain > 0)
iom_set(iom, IO_WRITE, iop->fd);
return remain;
}
#endif /* hpux */
@ -315,13 +288,6 @@ io_output(struct iop *iop, int waitforoutput)
/* Remove the number of written bytes from the queue. */
ioq_dequeue(iop->output, cc);
/* If the queue has stuff remaining, set it still needing output. */
remain = ioq_qsize(iop->output);
if (remain == 0) {
iom_clear(iom, IO_WRITE, iop->fd);
} else {
iom_set(iom, IO_WRITE, iop->fd);
}
return cc;
}
@ -354,7 +320,6 @@ io_write(struct iop *iop, s_char *buf, int nbytes, int doWait)
if ((iop->flags & IO_WRITE) == 0)
return -1;
ioq_append(iop->output, buf, nbytes);
FD_SET(iop->fd, &newoutput);
len = ioq_qsize(iop->output);
if (len > iop->bufsize) {
if (doWait) {
@ -392,7 +357,6 @@ io_puts(struct iop *iop, s_char *buf)
{
if ((iop->flags & IO_WRITE) == 0)
return -1;
FD_SET(iop->fd, &newoutput);
return ioq_puts(iop->output, buf);
}

114
src/lib/gen/io_mask.c
View file

@ -1,114 +0,0 @@
/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
* related information and legal notices. It is expected that any future
* projects/authors will amend these files as needed.
*
* ---
*
* iom.c: implements the io mask routines
*
* Known contributors to this file:
*
*/
#include <stdlib.h>
#include "misc.h"
#include "empio.h"
#include "io_mask.h"
struct io_mask *
iom_create(int what)
{
struct io_mask *imp;
imp = (struct io_mask *)malloc(sizeof(*imp));
if (what & IO_READ) {
imp->readmask = malloc(sizeof(*imp->readmask));
FD_ZERO(imp->readmask);
imp->user_readmask = malloc(sizeof(*imp->user_readmask));
FD_ZERO(imp->user_readmask);
} else {
imp->readmask = 0;
imp->user_readmask = 0;
}
if (what & IO_WRITE) {
imp->writemask = malloc(sizeof(*imp->writemask));
FD_ZERO(imp->writemask);
imp->user_writemask = malloc(sizeof(*imp->user_writemask));
FD_ZERO(imp->user_writemask);
} else {
imp->writemask = 0;
imp->user_writemask = 0;
}
imp->what = what;
imp->maxfd = 0;
return imp;
}
void
iom_getmask(struct io_mask *mask,
int *maxfdp, fd_set **readp, fd_set **writep)
{
if (mask->what & IO_READ)
*mask->user_readmask = *mask->readmask;
if (mask->what & IO_WRITE)
*mask->user_writemask = *mask->writemask;
*readp = mask->user_readmask;
*writep = mask->user_writemask;
*maxfdp = mask->maxfd;
}
void
iom_set(struct io_mask *mask, int what, int fd)
{
if ((mask->what & what) == 0)
return;
if (what & IO_READ)
FD_SET(fd, mask->readmask);
if (what & IO_WRITE)
FD_SET(fd, mask->writemask);
if (fd > mask->maxfd)
mask->maxfd = fd;
}
void
iom_clear(struct io_mask *mask, int what, int fd)
{
if ((mask->what & what) == 0)
return;
if (what & IO_READ)
FD_CLR(fd, mask->readmask);
if (what & IO_WRITE)
FD_CLR(fd, mask->writemask);
}
void
iom_zero(struct io_mask *mask, int what)
{
if ((mask->what & what) == 0)
return;
if (what & IO_READ)
FD_ZERO(mask->readmask);
if (what & IO_WRITE)
FD_ZERO(mask->writemask);
}