gcc/libgo/runtime/go-send-nb-big.c
Ian Lance Taylor 7a9389330e Add Go frontend, libgo library, and Go testsuite.
gcc/:
	* gcc.c (default_compilers): Add entry for ".go".
	* common.opt: Add -static-libgo as a driver option.
	* doc/install.texi (Configuration): Mention libgo as an option for
	--enable-shared.  Mention go as an option for --enable-languages.
	* doc/invoke.texi (Overall Options): Mention .go as a file name
	suffix.  Mention go as a -x option.
	* doc/frontends.texi (G++ and GCC): Mention Go as a supported
	language.
	* doc/sourcebuild.texi (Top Level): Mention libgo.
	* doc/standards.texi (Standards): Add section on Go language.
	Move references for other languages into their own section.
	* doc/contrib.texi (Contributors): Mention that I contributed the
	Go frontend.
gcc/testsuite/:
	* lib/go.exp: New file.
	* lib/go-dg.exp: New file.
	* lib/go-torture.exp: New file.
	* lib/target-supports.exp (check_compile): Match // Go.

From-SVN: r167407
2010-12-03 04:34:57 +00:00

31 lines
807 B
C

/* go-send-nb-big.c -- nonblocking send of something big on a channel.
Copyright 2009 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file. */
#include <stdint.h>
#include "channel.h"
_Bool
__go_send_nonblocking_big (struct __go_channel* channel, const void *val)
{
size_t alloc_size;
size_t offset;
alloc_size = ((channel->element_size + sizeof (uint64_t) - 1)
/ sizeof (uint64_t));
int data = __go_send_nonblocking_acquire (channel);
if (data != SEND_NONBLOCKING_ACQUIRE_SPACE)
return data == SEND_NONBLOCKING_ACQUIRE_CLOSED;
offset = channel->next_store * alloc_size;
__builtin_memcpy (&channel->data[offset], val, channel->element_size);
__go_send_release (channel);
return 1;
}