github.com/goplusjs/gopherjs@v1.2.6-0.20211206034512-f187917453b8/compiler/natives/src/sync/atomic/atomic.go (about)

     1  // +build js
     2  
     3  package atomic
     4  
     5  import (
     6  	"unsafe"
     7  
     8  	"github.com/gopherjs/gopherjs/js"
     9  )
    10  
    11  func SwapInt32(addr *int32, new int32) int32 {
    12  	old := *addr
    13  	*addr = new
    14  	return old
    15  }
    16  
    17  func SwapInt64(addr *int64, new int64) int64 {
    18  	old := *addr
    19  	*addr = new
    20  	return old
    21  }
    22  
    23  func SwapUint32(addr *uint32, new uint32) uint32 {
    24  	old := *addr
    25  	*addr = new
    26  	return old
    27  }
    28  
    29  func SwapUint64(addr *uint64, new uint64) uint64 {
    30  	old := *addr
    31  	*addr = new
    32  	return old
    33  }
    34  
    35  func SwapUintptr(addr *uintptr, new uintptr) uintptr {
    36  	old := *addr
    37  	*addr = new
    38  	return old
    39  }
    40  
    41  func SwapPointer(addr *unsafe.Pointer, new unsafe.Pointer) unsafe.Pointer {
    42  	old := *addr
    43  	*addr = new
    44  	return old
    45  }
    46  
    47  func CompareAndSwapInt32(addr *int32, old, new int32) bool {
    48  	if *addr == old {
    49  		*addr = new
    50  		return true
    51  	}
    52  	return false
    53  }
    54  
    55  func CompareAndSwapInt64(addr *int64, old, new int64) bool {
    56  	if *addr == old {
    57  		*addr = new
    58  		return true
    59  	}
    60  	return false
    61  }
    62  
    63  func CompareAndSwapUint32(addr *uint32, old, new uint32) bool {
    64  	if *addr == old {
    65  		*addr = new
    66  		return true
    67  	}
    68  	return false
    69  }
    70  
    71  func CompareAndSwapUint64(addr *uint64, old, new uint64) bool {
    72  	if *addr == old {
    73  		*addr = new
    74  		return true
    75  	}
    76  	return false
    77  }
    78  
    79  func CompareAndSwapUintptr(addr *uintptr, old, new uintptr) bool {
    80  	if *addr == old {
    81  		*addr = new
    82  		return true
    83  	}
    84  	return false
    85  }
    86  
    87  func CompareAndSwapPointer(addr *unsafe.Pointer, old, new unsafe.Pointer) bool {
    88  	if *addr == old {
    89  		*addr = new
    90  		return true
    91  	}
    92  	return false
    93  }
    94  
    95  func AddInt32(addr *int32, delta int32) int32 {
    96  	new := *addr + delta
    97  	*addr = new
    98  	return new
    99  }
   100  
   101  func AddUint32(addr *uint32, delta uint32) uint32 {
   102  	new := *addr + delta
   103  	*addr = new
   104  	return new
   105  }
   106  
   107  func AddInt64(addr *int64, delta int64) int64 {
   108  	new := *addr + delta
   109  	*addr = new
   110  	return new
   111  }
   112  
   113  func AddUint64(addr *uint64, delta uint64) uint64 {
   114  	new := *addr + delta
   115  	*addr = new
   116  	return new
   117  }
   118  
   119  func AddUintptr(addr *uintptr, delta uintptr) uintptr {
   120  	new := *addr + delta
   121  	*addr = new
   122  	return new
   123  }
   124  
   125  func LoadInt32(addr *int32) int32 {
   126  	return *addr
   127  }
   128  
   129  func LoadInt64(addr *int64) int64 {
   130  	return *addr
   131  }
   132  
   133  func LoadUint32(addr *uint32) uint32 {
   134  	return *addr
   135  }
   136  
   137  func LoadUint64(addr *uint64) uint64 {
   138  	return *addr
   139  }
   140  
   141  func LoadUintptr(addr *uintptr) uintptr {
   142  	return *addr
   143  }
   144  
   145  func LoadPointer(addr *unsafe.Pointer) unsafe.Pointer {
   146  	return *addr
   147  }
   148  
   149  func StoreInt32(addr *int32, val int32) {
   150  	*addr = val
   151  }
   152  
   153  func StoreInt64(addr *int64, val int64) {
   154  	*addr = val
   155  }
   156  
   157  func StoreUint32(addr *uint32, val uint32) {
   158  	*addr = val
   159  }
   160  
   161  func StoreUint64(addr *uint64, val uint64) {
   162  	*addr = val
   163  }
   164  
   165  func StoreUintptr(addr *uintptr, val uintptr) {
   166  	*addr = val
   167  }
   168  
   169  func StorePointer(addr *unsafe.Pointer, val unsafe.Pointer) {
   170  	*addr = val
   171  }
   172  
   173  func (v *Value) Load() (x interface{}) {
   174  	return v.v
   175  }
   176  
   177  func (v *Value) Store(x interface{}) {
   178  	if x == nil {
   179  		panic("sync/atomic: store of nil value into Value")
   180  	}
   181  	if v.v != nil && js.InternalObject(x).Get("constructor") != js.InternalObject(v.v).Get("constructor") {
   182  		panic("sync/atomic: store of inconsistently typed value into Value")
   183  	}
   184  	v.v = x
   185  }