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* cygwin.din (accept4): Export.

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* fhandler.h (fhandler_socket::accept4): Rename from accept.  Take
	additional flag parameter.
	* fhandler_socket.cc (fhandler_socket::accept4): Ditto.  Handle
	SOCK_NONBLOCK and SOCK_CLOEXEC flags.
	* net.cc (cygwin_socket): Handle SOCK_NONBLOCK and SOCK_CLOEXEC flags
	in type.  Check for invalid flag values.
	(socketpair): Ditto.
	(cygwin_accept): Accommodate renaming of fhandler_socket::accept
	function to accept4.
	(accept4): New function.
	* posix.sgml: Mention accept4 as GNU extensions.
	* include/cygwin/socket.h (SOCK_NONBLOCK): Define.
	(SOCK_CLOEXEC): Define.
	(_SOCK_FLAG_MASK): Define when building Cygwin.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
	* include/sys/socket.h (accept4): Declare.
This commit is contained in:
Corinna Vinschen
2010-01-15 15:40:05 +00:00
parent 14c800a5ba
commit 0d6531551b
9 changed files with 102 additions and 12 deletions
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10
winsup/cygwin/include/cygwin/socket.h
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@ -1,6 +1,6 @@
/* cygwin/socket.h
Copyright 1999, 2000, 2001, 2005, 2006, 2007, 2009 Red Hat, Inc.
Copyright 1999, 2000, 2001, 2005, 2006, 2007, 2009, 2010 Red Hat, Inc.
This file is part of Cygwin.
@ -129,6 +129,14 @@ struct OLD_msghdr
#define SOCK_RDM 4 /* reliably-delivered message */
#define SOCK_SEQPACKET 5 /* sequential packet socket */
/* GNU extension flags. Or them to the type parameter in calls to
socket(2) to mark socket as nonblocking and/or close-on-exec. */
#define SOCK_NONBLOCK 0x01000000
#define SOCK_CLOEXEC 0x02000000
#ifdef __INSIDE_CYGWIN__
#define _SOCK_FLAG_MASK 0xff000000 /* Bits left for more extensions */
#endif
/* Supported address families. */
/*
* Address families.