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Source file src/runtime/mem_wasm.go

Documentation: runtime

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package runtime
     6  
     7  import "unsafe"
     8  
     9  func sbrk(n uintptr) unsafe.Pointer {
    10  	grow := divRoundUp(n, physPageSize)
    11  	size := growMemory(int32(grow))
    12  	if size < 0 {
    13  		return nil
    14  	}
    15  	resetMemoryDataView()
    16  	return unsafe.Pointer(uintptr(size) * physPageSize)
    17  }
    18  
    19  // Implemented in src/runtime/sys_wasm.s
    20  func growMemory(pages int32) int32
    21  

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