Merge pull request swiftlang#30145 from 3405691582/OpenBSD_Port_Stdlib_Prelim

Preliminary support for OpenBSD in the stdlib.

Author: compnerd

include/swift/Runtime/Mutex.h

@@ -20,7 +20,7 @@
 
 #include <type_traits>
 
-#if (defined(__APPLE__) || defined(__linux__) || defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__HAIKU__))
+#if (defined(__APPLE__) || defined(__linux__) || defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__))
 #include "swift/Runtime/MutexPThread.h"
 #elif defined(_WIN32)
 #include "swift/Runtime/MutexWin32.h"

stdlib/private/StdlibUnittest/RaceTest.swift

@@ -41,7 +41,7 @@ import SwiftPrivateLibcExtras
 import SwiftPrivateThreadExtras
 #if os(macOS) || os(iOS)
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
 import Glibc
 #elseif os(Windows)
 import MSVCRT

stdlib/private/StdlibUnittest/StdlibCoreExtras.swift

@@ -14,7 +14,7 @@ import SwiftPrivate
 import SwiftPrivateLibcExtras
 #if os(macOS) || os(iOS)
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
 import Glibc
 #elseif os(Windows)
 import MSVCRT

stdlib/private/StdlibUnittest/StdlibUnittest.swift

@@ -18,7 +18,7 @@ import SwiftPrivateLibcExtras
 #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
 import Foundation
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
 import Glibc
 #elseif os(Windows)
 import MSVCRT
@@ -1744,6 +1744,7 @@ public enum OSVersion : CustomStringConvertible {
   case watchOSSimulator
   case linux
   case freeBSD
+  case openBSD
   case android
   case ps4
   case windowsCygnus
@@ -1771,6 +1772,8 @@ public enum OSVersion : CustomStringConvertible {
       return "Linux"
     case .freeBSD:
       return "FreeBSD"
+    case .openBSD:
+      return "OpenBSD"
     case .ps4:
       return "PS4"
     case .android:
@@ -1817,6 +1820,8 @@ func _getOSVersion() -> OSVersion {
   return .linux
 #elseif os(FreeBSD)
   return .freeBSD
+#elseif os(OpenBSD)
+  return .openBSD
 #elseif os(PS4)
   return .ps4
 #elseif os(Android)

stdlib/private/StdlibUnittest/SymbolLookup.swift

@@ -12,7 +12,7 @@
 
 #if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
   import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
   import Glibc
 #elseif os(Windows)
   import MSVCRT
@@ -21,7 +21,7 @@
 #error("Unsupported platform")
 #endif
 
-#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
+#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS) || os(OpenBSD)
   let RTLD_DEFAULT = UnsafeMutableRawPointer(bitPattern: -2)
 #elseif os(Linux)
   let RTLD_DEFAULT = UnsafeMutableRawPointer(bitPattern: 0)

stdlib/private/SwiftPrivateLibcExtras/Subprocess.swift

@@ -13,7 +13,7 @@
 import SwiftPrivate
 #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
 import Glibc
 #elseif os(Windows)
 import MSVCRT

stdlib/private/SwiftPrivateLibcExtras/SwiftPrivateLibcExtras.swift

@@ -13,7 +13,7 @@
 import SwiftPrivate
 #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku) || os(WASI)
 import Glibc
 #elseif os(Windows)
 import MSVCRT

stdlib/private/SwiftPrivateThreadExtras/SwiftPrivateThreadExtras.swift

@@ -17,7 +17,7 @@
 
 #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku)
 import Glibc
 #elseif os(Windows)
 import MSVCRT

stdlib/private/SwiftPrivateThreadExtras/ThreadBarriers.swift

@@ -12,7 +12,7 @@
 
 #if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
 import Darwin
-#elseif os(Linux) || os(FreeBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku)
+#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku)
 import Glibc
 #elseif os(Windows)
 import MSVCRT
@@ -33,7 +33,7 @@ public struct _stdlib_thread_barrier_t {
 #if os(Windows)
   var mutex: UnsafeMutablePointer<SRWLOCK>?
   var cond: UnsafeMutablePointer<CONDITION_VARIABLE>?
-#elseif os(Cygwin) || os(FreeBSD)
+#elseif os(Cygwin) || os(FreeBSD) || os(OpenBSD)
   var mutex: UnsafeMutablePointer<pthread_mutex_t?>?
   var cond: UnsafeMutablePointer<pthread_cond_t?>?
 #else

stdlib/public/Platform/CMakeLists.txt

@@ -80,6 +80,8 @@ foreach(sdk ${SWIFT_SDKS})
 
     if(${sdk} STREQUAL ANDROID)
       set(glibc_modulemap_source "bionic.modulemap.gyb")
+    elseif(${sdk} STREQUAL OPENBSD)
+      set(glibc_modulemap_source "libc-openbsd.modulemap.gyb")
     else()
       set(glibc_modulemap_source "glibc.modulemap.gyb")
     endif()