it is conjectured that solenv/unxmacxp/inc/poll.h is not needed anymore

1 files changed, 0 insertions, 176 deletions

diff --git a/solenv/unxmacxp/inc/poll.h b/solenv/unxmacxp/inc/poll.h
deleted file mode 100644
index 00c6cbacf32a..000000000000
--- a/solenv/unxmacxp/inc/poll.h
+++ /dev/null
@@ -1,176 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-// poll.h
-// MacOS X does not implement poll().  Therefore, this replacement
-// is required.  It uses select().
-
-#ifndef _FAKE_POLL_H
-#define _FAKE_POLL_H
-
-#include <sys/errno.h>
-#include <string.h>
-#include <limits.h>
-#undef FD_SETSIZE
-#define FD_SETSIZE OPEN_MAX
-#include <sys/types.h>
-#include <sys/time.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-typedef struct pollfd {
-    int fd;                         /* file desc to poll */
-    short events;                   /* events of interest on fd */
-    short revents;                  /* events that occurred on fd */
-} pollfd_t;
-
-
-// poll flags
-#define POLLIN  0x0001
-#define POLLOUT 0x0004
-#define POLLERR 0x0008
-
-// synonyms
-#define POLLNORM POLLIN
-#define POLLPRI POLLIN
-#define POLLRDNORM POLLIN
-#define POLLRDBAND POLLIN
-#define POLLWRNORM POLLOUT
-#define POLLWRBAND POLLOUT
-
-// ignored
-#define POLLHUP 0x0010
-#define POLLNVAL 0x0020
-
-inline int poll(struct pollfd *pollSet, int pollCount, int pollTimeout)
-{
-    struct timeval      tv;
-    struct timeval      *tvp;
-    fd_set          readFDs, writeFDs, exceptFDs;
-    fd_set          *readp, *writep, *exceptp;
-    struct pollfd       *pollEnd, *p;
-    int             selected;
-    int             result;
-    int             maxFD;
-
-    if ( !pollSet )
-    {
-        pollEnd = NULL;
-        readp = NULL;
-        writep = NULL;
-        exceptp = NULL;
-        maxFD = 0;
-    }
-    else
-    {
-        pollEnd = pollSet + pollCount;
-        readp = &readFDs;
-        writep = &writeFDs;
-        exceptp = &exceptFDs;
-
-        FD_ZERO(readp);
-        FD_ZERO(writep);
-        FD_ZERO(exceptp);
-
-        // Find the biggest fd in the poll set
-        maxFD = 0;
-        for (p = pollSet; p < pollEnd; p++)
-        {
-            if (p->fd > maxFD)
-                maxFD = p->fd;
-        }
-
-        if (maxFD >= FD_SETSIZE)
-        {
-            // At least one fd is too big
-            errno = EINVAL;
-            return -1;
-        }
-
-        // Transcribe flags from the poll set to the fd sets
-        for (p = pollSet; p < pollEnd; p++)
-        {
-            if (p->fd < 0)
-            {
-                // Negative fd checks nothing and always reports zero
-            }
-            else
-            {
-                if (p->events & POLLIN)
-                    FD_SET(p->fd, readp);
-                if (p->events & POLLOUT)
-                    FD_SET(p->fd, writep);
-                if (p->events != 0)
-                    FD_SET(p->fd, exceptp);
-                // POLLERR is never set coming in; poll() always reports errors
-                // But don't report if we're not listening to anything at all.
-            }
-        }
-    }
-
-    // poll timeout is in milliseconds. Convert to struct timeval.
-    // poll timeout == -1 : wait forever : select timeout of NULL
-    // poll timeout == 0  : return immediately : select timeout of zero
-    if (pollTimeout >= 0)
-    {
-        tv.tv_sec = pollTimeout / 1000;
-        tv.tv_usec = (pollTimeout % 1000) * 1000;
-        tvp = &tv;
-    }
-    else
-    {
-        tvp = NULL;
-    }
-
-    selected = select(maxFD+1, readp, writep, exceptp, tvp);
-
-    if (selected < 0)
-    {
-        // Error during select
-        result = -1;
-    }
-    else if (selected > 0)
-    {
-        // Select found something
-        // Transcribe result from fd sets to poll set.
-        // Also count the number of selected fds. poll returns the
-        // number of ready fds; select returns the number of bits set.
-        int polled = 0;
-        for (p = pollSet; p < pollEnd; p++)
-        {
-            p->revents = 0;
-            if (p->fd < 0) {
-                // Negative fd always reports zero
-            }
-            else
-            {
-                if ( (p->events & POLLIN) && FD_ISSET(p->fd, readp) )
-                    p->revents |= POLLIN;
-                if ( (p->events & POLLOUT) && FD_ISSET(p->fd, writep) )
-                    p->revents |= POLLOUT;
-                if ( (p->events != 0) && FD_ISSET(p->fd, exceptp) )
-                    p->revents |= POLLERR;
-
-                if (p->revents)
-                    polled++;
-            }
-        }
-        result = polled;
-    }
-    else
-    {
-        // selected == 0, select timed out before anything happened
-        // Clear all result bits and return zero.
-        for (p = pollSet; p < pollEnd; p++)
-            p->revents = 0;
-
-        result = 0;
-    }
-
-    return result;
-}
-
-
-#undef FD_SETSIZE
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */