Added LibTTY to provide access to ‘libtty’ (added to the VM in pharo-…

…project/pharo-vm#742).

src/UnifiedFFI/LibTTY.class.st

@@ -0,0 +1,37 @@
+"
+LibTTY’s #uniqueInstance provides access to ‘libtty’, a library included with the Pharo VM that offers a function to spawn a process connected to a pseudo-terminal.
+"
+Class {
+	#name : 'LibTTY',
+	#superclass : 'FFILibrary',
+	#pools : [
+		'LibCTypes'
+	],
+	#category : 'UnifiedFFI-Libraries',
+	#package : 'UnifiedFFI',
+	#tag : 'Libraries'
+}
+
+{ #category : 'accessing - platform' }
+LibTTY >> macLibraryName [
+
+	^ 'libtty.dylib'
+]
+
+{ #category : 'api' }
+LibTTY >> ttySpawn: fdm path: path argv: argv envs: envp [
+
+	^ self ffiCall: #(pid_t tty_spawn(int fdm, const char* path, void* argv, void* envp))
+]
+
+{ #category : 'accessing - platform' }
+LibTTY >> unixLibraryName [
+
+	^ 'libtty.so'
+]
+
+{ #category : 'accessing - platform' }
+LibTTY >> win32LibraryName [
+
+	self shouldNotImplement
+]