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-rw-r--r--framework/src/audit/src/libev/ev_select.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/framework/src/audit/src/libev/ev_select.c b/framework/src/audit/src/libev/ev_select.c
deleted file mode 100644
index f38d6ca3..00000000
--- a/framework/src/audit/src/libev/ev_select.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * libev select fd activity backend
- *
- * Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modifica-
- * tion, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
- * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
- * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
- * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Alternatively, the contents of this file may be used under the terms of
- * the GNU General Public License ("GPL") version 2 or any later version,
- * in which case the provisions of the GPL are applicable instead of
- * the above. If you wish to allow the use of your version of this file
- * only under the terms of the GPL and not to allow others to use your
- * version of this file under the BSD license, indicate your decision
- * by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL. If you do not delete the
- * provisions above, a recipient may use your version of this file under
- * either the BSD or the GPL.
- */
-
-#ifndef _WIN32
-/* for unix systems */
-# include <inttypes.h>
-# ifndef __hpux
-/* for REAL unix systems */
-# include <sys/select.h>
-# endif
-#endif
-
-#ifndef EV_SELECT_USE_FD_SET
-# ifdef NFDBITS
-# define EV_SELECT_USE_FD_SET 0
-# else
-# define EV_SELECT_USE_FD_SET 1
-# endif
-#endif
-
-#if EV_SELECT_IS_WINSOCKET
-# undef EV_SELECT_USE_FD_SET
-# define EV_SELECT_USE_FD_SET 1
-# undef NFDBITS
-# define NFDBITS 0
-#endif
-
-#if !EV_SELECT_USE_FD_SET
-# define NFDBYTES (NFDBITS / 8)
-#endif
-
-#include <string.h>
-
-static void
-select_modify (EV_P_ int fd, int oev, int nev)
-{
- if (oev == nev)
- return;
-
- {
-#if EV_SELECT_USE_FD_SET
-
- #if EV_SELECT_IS_WINSOCKET
- SOCKET handle = anfds [fd].handle;
- #else
- int handle = fd;
- #endif
-
- assert (("libev: fd >= FD_SETSIZE passed to fd_set-based select backend", fd < FD_SETSIZE));
-
- /* FD_SET is broken on windows (it adds the fd to a set twice or more,
- * which eventually leads to overflows). Need to call it only on changes.
- */
- #if EV_SELECT_IS_WINSOCKET
- if ((oev ^ nev) & EV_READ)
- #endif
- if (nev & EV_READ)
- FD_SET (handle, (fd_set *)vec_ri);
- else
- FD_CLR (handle, (fd_set *)vec_ri);
-
- #if EV_SELECT_IS_WINSOCKET
- if ((oev ^ nev) & EV_WRITE)
- #endif
- if (nev & EV_WRITE)
- FD_SET (handle, (fd_set *)vec_wi);
- else
- FD_CLR (handle, (fd_set *)vec_wi);
-
-#else
-
- int word = fd / NFDBITS;
- fd_mask mask = 1UL << (fd % NFDBITS);
-
- if (expect_false (vec_max <= word))
- {
- int new_max = word + 1;
-
- vec_ri = ev_realloc (vec_ri, new_max * NFDBYTES);
- vec_ro = ev_realloc (vec_ro, new_max * NFDBYTES); /* could free/malloc */
- vec_wi = ev_realloc (vec_wi, new_max * NFDBYTES);
- vec_wo = ev_realloc (vec_wo, new_max * NFDBYTES); /* could free/malloc */
- #ifdef _WIN32
- vec_eo = ev_realloc (vec_eo, new_max * NFDBYTES); /* could free/malloc */
- #endif
-
- for (; vec_max < new_max; ++vec_max)
- ((fd_mask *)vec_ri) [vec_max] =
- ((fd_mask *)vec_wi) [vec_max] = 0;
- }
-
- ((fd_mask *)vec_ri) [word] |= mask;
- if (!(nev & EV_READ))
- ((fd_mask *)vec_ri) [word] &= ~mask;
-
- ((fd_mask *)vec_wi) [word] |= mask;
- if (!(nev & EV_WRITE))
- ((fd_mask *)vec_wi) [word] &= ~mask;
-#endif
- }
-}
-
-static void
-select_poll (EV_P_ ev_tstamp timeout)
-{
- struct timeval tv;
- int res;
- int fd_setsize;
-
- EV_RELEASE_CB;
- EV_TV_SET (tv, timeout);
-
-#if EV_SELECT_USE_FD_SET
- fd_setsize = sizeof (fd_set);
-#else
- fd_setsize = vec_max * NFDBYTES;
-#endif
-
- memcpy (vec_ro, vec_ri, fd_setsize);
- memcpy (vec_wo, vec_wi, fd_setsize);
-
-#ifdef _WIN32
- /* pass in the write set as except set.
- * the idea behind this is to work around a windows bug that causes
- * errors to be reported as an exception and not by setting
- * the writable bit. this is so uncontrollably lame.
- */
- memcpy (vec_eo, vec_wi, fd_setsize);
- res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, (fd_set *)vec_eo, &tv);
-#elif EV_SELECT_USE_FD_SET
- fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE;
- res = select (fd_setsize, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv);
-#else
- res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv);
-#endif
- EV_ACQUIRE_CB;
-
- if (expect_false (res < 0))
- {
- #if EV_SELECT_IS_WINSOCKET
- errno = WSAGetLastError ();
- #endif
- #ifdef WSABASEERR
- /* on windows, select returns incompatible error codes, fix this */
- if (errno >= WSABASEERR && errno < WSABASEERR + 1000)
- if (errno == WSAENOTSOCK)
- errno = EBADF;
- else
- errno -= WSABASEERR;
- #endif
-
- #ifdef _WIN32
- /* select on windows erroneously returns EINVAL when no fd sets have been
- * provided (this is documented). what microsoft doesn't tell you that this bug
- * exists even when the fd sets _are_ provided, so we have to check for this bug
- * here and emulate by sleeping manually.
- * we also get EINVAL when the timeout is invalid, but we ignore this case here
- * and assume that EINVAL always means: you have to wait manually.
- */
- if (errno == EINVAL)
- {
- if (timeout)
- {
- unsigned long ms = timeout * 1e3;
- Sleep (ms ? ms : 1);
- }
-
- return;
- }
- #endif
-
- if (errno == EBADF)
- fd_ebadf (EV_A);
- else if (errno == ENOMEM && !syserr_cb)
- fd_enomem (EV_A);
- else if (errno != EINTR)
- ev_syserr ("(libev) select");
-
- return;
- }
-
-#if EV_SELECT_USE_FD_SET
-
- {
- int fd;
-
- for (fd = 0; fd < anfdmax; ++fd)
- if (anfds [fd].events)
- {
- int events = 0;
- #if EV_SELECT_IS_WINSOCKET
- SOCKET handle = anfds [fd].handle;
- #else
- int handle = fd;
- #endif
-
- if (FD_ISSET (handle, (fd_set *)vec_ro)) events |= EV_READ;
- if (FD_ISSET (handle, (fd_set *)vec_wo)) events |= EV_WRITE;
- #ifdef _WIN32
- if (FD_ISSET (handle, (fd_set *)vec_eo)) events |= EV_WRITE;
- #endif
-
- if (expect_true (events))
- fd_event (EV_A_ fd, events);
- }
- }
-
-#else
-
- {
- int word, bit;
- for (word = vec_max; word--; )
- {
- fd_mask word_r = ((fd_mask *)vec_ro) [word];
- fd_mask word_w = ((fd_mask *)vec_wo) [word];
- #ifdef _WIN32
- word_w |= ((fd_mask *)vec_eo) [word];
- #endif
-
- if (word_r || word_w)
- for (bit = NFDBITS; bit--; )
- {
- fd_mask mask = 1UL << bit;
- int events = 0;
-
- events |= word_r & mask ? EV_READ : 0;
- events |= word_w & mask ? EV_WRITE : 0;
-
- if (expect_true (events))
- fd_event (EV_A_ word * NFDBITS + bit, events);
- }
- }
- }
-
-#endif
-}
-
-int inline_size
-select_init (EV_P_ int flags)
-{
- backend_mintime = 1e-6;
- backend_modify = select_modify;
- backend_poll = select_poll;
-
-#if EV_SELECT_USE_FD_SET
- vec_ri = ev_malloc (sizeof (fd_set)); FD_ZERO ((fd_set *)vec_ri);
- vec_ro = ev_malloc (sizeof (fd_set));
- vec_wi = ev_malloc (sizeof (fd_set)); FD_ZERO ((fd_set *)vec_wi);
- vec_wo = ev_malloc (sizeof (fd_set));
- #ifdef _WIN32
- vec_eo = ev_malloc (sizeof (fd_set));
- #endif
-#else
- vec_max = 0;
- vec_ri = 0;
- vec_ro = 0;
- vec_wi = 0;
- vec_wo = 0;
- #ifdef _WIN32
- vec_eo = 0;
- #endif
-#endif
-
- return EVBACKEND_SELECT;
-}
-
-void inline_size
-select_destroy (EV_P)
-{
- ev_free (vec_ri);
- ev_free (vec_ro);
- ev_free (vec_wi);
- ev_free (vec_wo);
- #ifdef _WIN32
- ev_free (vec_eo);
- #endif
-}
-