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-rw-r--r--ev_win32.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/ev_win32.c b/ev_win32.c
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+++ b/ev_win32.c
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+/*
+ * libev win32 compatibility cruft
+ *
+ * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, 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 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef WIN32
+
+#include <sys/timeb.h>
+
+/* note: the comment below could not be substantiated, but what would I care */
+/* MSDN says this is required to handle SIGFPE */
+volatile double SIGFPE_REQ = 0.0f;
+
+/* oh, the humanity! */
+static int
+ev_pipe (int filedes [2])
+{
+ struct sockaddr_in addr = { 0 };
+ int addr_size = sizeof (addr);
+ SOCKET listener;
+ SOCKET sock [2] = { -1, -1 };
+
+ if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
+ return -1;
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+ addr.sin_port = 0;
+
+ if (bind (listener, (struct sockaddr *)&addr, addr_size))
+ goto fail;
+
+ if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
+ goto fail;
+
+ if (listen (listener, 1))
+ goto fail;
+
+ if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
+ goto fail;
+
+ if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
+ goto fail;
+
+ if ((sock[1] = accept (listener, 0, 0)) < 0)
+ goto fail;
+
+ closesocket (listener);
+
+ filedes [0] = sock [0];
+ filedes [1] = sock [1];
+
+ return 0;
+
+fail:
+ closesocket (listener);
+
+ if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
+ if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
+
+ return -1;
+}
+
+#undef pipe
+#define pipe(filedes) ev_pipe (filedes)
+
+static int
+ev_gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+ struct _timeb tb;
+
+ _ftime (&tb);
+
+ tv->tv_sec = (long)tb.time;
+ tv->tv_usec = ((long)tb.millitm) * 1000;
+
+ return 0;
+}
+
+#undef gettimeofday
+#define gettimeofdy(tv,tz) ev_gettimeofday (tv, tz)
+
+#endif