35 lines
861 B
C
35 lines
861 B
C
/* go-send-big.c -- send something bigger than uint64_t 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 "go-panic.h"
|
|
#include "channel.h"
|
|
|
|
void
|
|
__go_send_big (struct __go_channel* channel, const void *val, _Bool for_select)
|
|
{
|
|
uintptr_t element_size;
|
|
size_t alloc_size;
|
|
size_t offset;
|
|
|
|
if (channel == NULL)
|
|
{
|
|
// Block forever.
|
|
__go_select (0, 0, NULL, NULL);
|
|
}
|
|
|
|
element_size = channel->element_type->__size;
|
|
alloc_size = (element_size + sizeof (uint64_t) - 1) / sizeof (uint64_t);
|
|
|
|
__go_send_acquire (channel, for_select);
|
|
|
|
offset = channel->next_store * alloc_size;
|
|
__builtin_memcpy (&channel->data[offset], val, element_size);
|
|
|
|
__go_send_release (channel);
|
|
}
|