Swift Package IndexBuild Information
Failed to build swift-fileio, reference main (d589ff), with Swift 6.3 for Wasm on 18 Apr 2026 02:55:42 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/p-x9/swift-fileio.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/p-x9/swift-fileio
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d589ff3 Merge pull request #21 from p-x9/feature/test
Cloned https://github.com/p-x9/swift-fileio.git
Revision (git rev-parse @):
d589ff3966f9f064574780f527449a946736b989
SUCCESS checkout https://github.com/p-x9/swift-fileio.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/p-x9/swift-fileio.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling FileIO system.swift
[4/9] Compiling FileIO FileIO.swift
[5/9] Compiling FileIO StreamedFile.swift
[6/9] Compiling FileIO MemoryMappedFile.swift
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:61:27: error: cannot find 'PROT_READ' in scope
59 | }
60 |
61 | var prot: Int32 = PROT_READ
| `- error: cannot find 'PROT_READ' in scope
62 | if isWritable { prot |= PROT_WRITE }
63 | let ptr = mmap(nil, Int(fileSize), prot, MAP_SHARED, fd, 0)
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:62:33: error: cannot find 'PROT_WRITE' in scope
60 |
61 | var prot: Int32 = PROT_READ
62 | if isWritable { prot |= PROT_WRITE }
| `- error: cannot find 'PROT_WRITE' in scope
63 | let ptr = mmap(nil, Int(fileSize), prot, MAP_SHARED, fd, 0)
64 | guard let ptr,
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:63:19: error: cannot find 'mmap' in scope
61 | var prot: Int32 = PROT_READ
62 | if isWritable { prot |= PROT_WRITE }
63 | let ptr = mmap(nil, Int(fileSize), prot, MAP_SHARED, fd, 0)
| `- error: cannot find 'mmap' in scope
64 | guard let ptr,
65 | _fastPath(ptr != MAP_FAILED) else {
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:63:50: error: cannot find 'MAP_SHARED' in scope
61 | var prot: Int32 = PROT_READ
62 | if isWritable { prot |= PROT_WRITE }
63 | let ptr = mmap(nil, Int(fileSize), prot, MAP_SHARED, fd, 0)
| `- error: cannot find 'MAP_SHARED' in scope
64 | guard let ptr,
65 | _fastPath(ptr != MAP_FAILED) else {
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:63:24: error: 'nil' requires a contextual type
61 | var prot: Int32 = PROT_READ
62 | if isWritable { prot |= PROT_WRITE }
63 | let ptr = mmap(nil, Int(fileSize), prot, MAP_SHARED, fd, 0)
| `- error: 'nil' requires a contextual type
64 | guard let ptr,
65 | _fastPath(ptr != MAP_FAILED) else {
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:99:13: error: cannot find 'msync' in scope
97 | data.withUnsafeBytes { buffer in
98 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
99 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'msync' in scope
100 | }
101 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:99:57: error: cannot find 'MS_SYNC' in scope
97 | data.withUnsafeBytes { buffer in
98 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
99 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
100 | }
101 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:105:9: error: cannot find 'msync' in scope
103 | @inlinable @inline(__always)
104 | public func sync() {
105 | msync(ptr, size, MS_SYNC)
| `- error: cannot find 'msync' in scope
106 | }
107 |
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:105:26: error: cannot find 'MS_SYNC' in scope
103 | @inlinable @inline(__always)
104 | public func sync() {
105 | msync(ptr, size, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
106 | }
107 |
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:109:9: error: cannot find 'munmap' in scope
107 |
108 | internal func unmap() {
109 | munmap(ptr, size)
| `- error: cannot find 'munmap' in scope
110 | }
111 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:124:27: error: cannot find 'PROT_READ' in scope
122 | unmap()
123 |
124 | var prot: Int32 = PROT_READ
| `- error: cannot find 'PROT_READ' in scope
125 | if isWritable { prot |= PROT_WRITE }
126 | let ptr = mmap(nil, newSize, prot, MAP_SHARED, fileDescriptor, 0)
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:125:33: error: cannot find 'PROT_WRITE' in scope
123 |
124 | var prot: Int32 = PROT_READ
125 | if isWritable { prot |= PROT_WRITE }
| `- error: cannot find 'PROT_WRITE' in scope
126 | let ptr = mmap(nil, newSize, prot, MAP_SHARED, fileDescriptor, 0)
127 | guard let ptr,
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:126:19: error: cannot find 'mmap' in scope
124 | var prot: Int32 = PROT_READ
125 | if isWritable { prot |= PROT_WRITE }
126 | let ptr = mmap(nil, newSize, prot, MAP_SHARED, fileDescriptor, 0)
| `- error: cannot find 'mmap' in scope
127 | guard let ptr,
128 | ptr != MAP_FAILED else {
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:126:44: error: cannot find 'MAP_SHARED' in scope
124 | var prot: Int32 = PROT_READ
125 | if isWritable { prot |= PROT_WRITE }
126 | let ptr = mmap(nil, newSize, prot, MAP_SHARED, fileDescriptor, 0)
| `- error: cannot find 'MAP_SHARED' in scope
127 | guard let ptr,
128 | ptr != MAP_FAILED else {
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:126:24: error: 'nil' requires a contextual type
124 | var prot: Int32 = PROT_READ
125 | if isWritable { prot |= PROT_WRITE }
126 | let ptr = mmap(nil, newSize, prot, MAP_SHARED, fileDescriptor, 0)
| `- error: 'nil' requires a contextual type
127 | guard let ptr,
128 | ptr != MAP_FAILED else {
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:152:13: error: cannot find 'msync' in scope
150 | data.withUnsafeBytes { buffer in
151 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
152 | msync(ptr.advanced(by: offset), data.count + tailSize, MS_SYNC)
| `- error: cannot find 'msync' in scope
153 | }
154 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:152:68: error: cannot find 'MS_SYNC' in scope
150 | data.withUnsafeBytes { buffer in
151 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
152 | msync(ptr.advanced(by: offset), data.count + tailSize, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
153 | }
154 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:207:9: error: cannot find 'msync' in scope
205 | .assumingMemoryBound(to: T.self)
206 | .pointee = value
207 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'msync' in scope
208 | }
209 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:207:49: error: cannot find 'MS_SYNC' in scope
205 | .assumingMemoryBound(to: T.self)
206 | .pointee = value
207 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
208 | }
209 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:284:9: error: cannot find 'msync' in scope
282 | @inlinable @inline(__always)
283 | public func sync() {
284 | msync(parent.ptr.advanced(by: baseOffset), size, MS_SYNC)
| `- error: cannot find 'msync' in scope
285 | }
286 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:284:58: error: cannot find 'MS_SYNC' in scope
282 | @inlinable @inline(__always)
283 | public func sync() {
284 | msync(parent.ptr.advanced(by: baseOffset), size, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
285 | }
286 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:348:9: error: cannot find 'msync' in scope
346 | .assumingMemoryBound(to: T.self)
347 | .pointee = value
348 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'msync' in scope
349 | }
350 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:348:49: error: cannot find 'MS_SYNC' in scope
346 | .assumingMemoryBound(to: T.self)
347 | .pointee = value
348 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
349 | }
350 | }
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/9] Compiling FileIO ConcatenatedStreamedFile.swift
[8/9] Emitting module FileIO
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:156:13: error: cannot find 'msync' in scope
154 | data.withUnsafeBytes { buffer in
155 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
156 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'msync' in scope
157 | }
158 | }
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:156:57: error: cannot find 'MS_SYNC' in scope
154 | data.withUnsafeBytes { buffer in
155 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
156 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
157 | }
158 | }
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:203:9: error: cannot find 'msync' in scope
201 | .assumingMemoryBound(to: T.self)
202 | .pointee = value
203 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'msync' in scope
204 | }
205 | }
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:203:49: error: cannot find 'MS_SYNC' in scope
201 | .assumingMemoryBound(to: T.self)
202 | .pointee = value
203 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
204 | }
205 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:99:13: error: cannot find 'msync' in scope
97 | data.withUnsafeBytes { buffer in
98 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
99 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'msync' in scope
100 | }
101 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:99:57: error: cannot find 'MS_SYNC' in scope
97 | data.withUnsafeBytes { buffer in
98 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
99 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
100 | }
101 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:105:9: error: cannot find 'msync' in scope
103 | @inlinable @inline(__always)
104 | public func sync() {
105 | msync(ptr, size, MS_SYNC)
| `- error: cannot find 'msync' in scope
106 | }
107 |
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:105:26: error: cannot find 'MS_SYNC' in scope
103 | @inlinable @inline(__always)
104 | public func sync() {
105 | msync(ptr, size, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
106 | }
107 |
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:152:13: error: cannot find 'msync' in scope
150 | data.withUnsafeBytes { buffer in
151 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
152 | msync(ptr.advanced(by: offset), data.count + tailSize, MS_SYNC)
| `- error: cannot find 'msync' in scope
153 | }
154 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:152:68: error: cannot find 'MS_SYNC' in scope
150 | data.withUnsafeBytes { buffer in
151 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
152 | msync(ptr.advanced(by: offset), data.count + tailSize, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
153 | }
154 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:207:9: error: cannot find 'msync' in scope
205 | .assumingMemoryBound(to: T.self)
206 | .pointee = value
207 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'msync' in scope
208 | }
209 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:207:49: error: cannot find 'MS_SYNC' in scope
205 | .assumingMemoryBound(to: T.self)
206 | .pointee = value
207 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
208 | }
209 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:284:9: error: cannot find 'msync' in scope
282 | @inlinable @inline(__always)
283 | public func sync() {
284 | msync(parent.ptr.advanced(by: baseOffset), size, MS_SYNC)
| `- error: cannot find 'msync' in scope
285 | }
286 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:284:58: error: cannot find 'MS_SYNC' in scope
282 | @inlinable @inline(__always)
283 | public func sync() {
284 | msync(parent.ptr.advanced(by: baseOffset), size, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
285 | }
286 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:348:9: error: cannot find 'msync' in scope
346 | .assumingMemoryBound(to: T.self)
347 | .pointee = value
348 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'msync' in scope
349 | }
350 | }
/host/spi-builder-workspace/Sources/FileIO/MemoryMappedFile.swift:348:49: error: cannot find 'MS_SYNC' in scope
346 | .assumingMemoryBound(to: T.self)
347 | .pointee = value
348 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
349 | }
350 | }
[9/9] Compiling FileIO ConcatenatedMemoryMappedFile.swift
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:68:23: error: cannot find 'mmap' in scope
66 | let fullSize = fdAndSizes.reduce(0, { $0 + $1.size })
67 |
68 | let basePtr = mmap(
| `- error: cannot find 'mmap' in scope
69 | nil,
70 | numericCast(fullSize),
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:71:13: error: cannot find 'PROT_NONE' in scope
69 | nil,
70 | numericCast(fullSize),
71 | PROT_NONE,
| `- error: cannot find 'PROT_NONE' in scope
72 | MAP_PRIVATE | MAP_ANONYMOUS,
73 | -1,
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:72:13: error: cannot find 'MAP_PRIVATE' in scope
70 | numericCast(fullSize),
71 | PROT_NONE,
72 | MAP_PRIVATE | MAP_ANONYMOUS,
| `- error: cannot find 'MAP_PRIVATE' in scope
73 | -1,
74 | 0
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:72:27: error: cannot find 'MAP_ANONYMOUS' in scope
70 | numericCast(fullSize),
71 | PROT_NONE,
72 | MAP_PRIVATE | MAP_ANONYMOUS,
| `- error: cannot find 'MAP_ANONYMOUS' in scope
73 | -1,
74 | 0
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:69:13: error: 'nil' requires a contextual type
67 |
68 | let basePtr = mmap(
69 | nil,
| `- error: 'nil' requires a contextual type
70 | numericCast(fullSize),
71 | PROT_NONE,
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:70:13: error: generic parameter 'U' could not be inferred
68 | let basePtr = mmap(
69 | nil,
70 | numericCast(fullSize),
| `- error: generic parameter 'U' could not be inferred
71 | PROT_NONE,
72 | MAP_PRIVATE | MAP_ANONYMOUS,
Swift.numericCast:1:24: note: in call to function 'numericCast'
1 | @inlinable public func numericCast<T, U>(_ x: T) -> U where T : BinaryInteger, U : BinaryInteger
| `- note: in call to function 'numericCast'
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:82:27: error: cannot find 'PROT_READ' in scope
80 | }
81 |
82 | var prot: Int32 = PROT_READ
| `- error: cannot find 'PROT_READ' in scope
83 | if isWritable { prot |= PROT_WRITE }
84 |
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:83:33: error: cannot find 'PROT_WRITE' in scope
81 |
82 | var prot: Int32 = PROT_READ
83 | if isWritable { prot |= PROT_WRITE }
| `- error: cannot find 'PROT_WRITE' in scope
84 |
85 | var offset = 0
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:90:29: error: cannot find 'mmap' in scope
88 | let size: Int = numericCast(size)
89 | let ptr = basePtr.advanced(by: offset)
90 | let mappedPtr = mmap(ptr, size, prot, MAP_FIXED | MAP_PRIVATE, fd, 0)
| `- error: cannot find 'mmap' in scope
91 | guard ptr == mappedPtr,
92 | _fastPath(ptr != MAP_FAILED) else {
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:90:51: error: cannot find 'MAP_FIXED' in scope
88 | let size: Int = numericCast(size)
89 | let ptr = basePtr.advanced(by: offset)
90 | let mappedPtr = mmap(ptr, size, prot, MAP_FIXED | MAP_PRIVATE, fd, 0)
| `- error: cannot find 'MAP_FIXED' in scope
91 | guard ptr == mappedPtr,
92 | _fastPath(ptr != MAP_FAILED) else {
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:90:63: error: cannot find 'MAP_PRIVATE' in scope
88 | let size: Int = numericCast(size)
89 | let ptr = basePtr.advanced(by: offset)
90 | let mappedPtr = mmap(ptr, size, prot, MAP_FIXED | MAP_PRIVATE, fd, 0)
| `- error: cannot find 'MAP_PRIVATE' in scope
91 | guard ptr == mappedPtr,
92 | _fastPath(ptr != MAP_FAILED) else {
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:156:13: error: cannot find 'msync' in scope
154 | data.withUnsafeBytes { buffer in
155 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
156 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'msync' in scope
157 | }
158 | }
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:156:57: error: cannot find 'MS_SYNC' in scope
154 | data.withUnsafeBytes { buffer in
155 | memcpy(ptr.advanced(by: offset), buffer.baseAddress!, data.count)
156 | msync(ptr.advanced(by: offset), data.count, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
157 | }
158 | }
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:203:9: error: cannot find 'msync' in scope
201 | .assumingMemoryBound(to: T.self)
202 | .pointee = value
203 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'msync' in scope
204 | }
205 | }
/host/spi-builder-workspace/Sources/FileIO/ConcatenatedMemoryMappedFile.swift:203:49: error: cannot find 'MS_SYNC' in scope
201 | .assumingMemoryBound(to: T.self)
202 | .pointee = value
203 | msync(ptr.advanced(by: offset), length, MS_SYNC)
| `- error: cannot find 'MS_SYNC' in scope
204 | }
205 | }
BUILD FAILURE 6.3 wasm