31 lines
769 B
C
31 lines
769 B
C
/* go-send-nb-big.c -- nonblocking send of something big on a channel.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include <stdint.h>
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#include "channel.h"
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_Bool
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__go_send_nonblocking_big (struct __go_channel* channel, const void *val)
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{
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uintptr_t element_size;
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size_t alloc_size;
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size_t offset;
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element_size = channel->element_type->__size;
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alloc_size = (element_size + sizeof (uint64_t) - 1) / sizeof (uint64_t);
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if (!__go_send_nonblocking_acquire (channel))
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return 0;
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offset = channel->next_store * alloc_size;
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__builtin_memcpy (&channel->data[offset], val, element_size);
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__go_send_release (channel);
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return 1;
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}
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