Use the proper types for functions in Truffle::POSIX

* Notably nfds_t is ulong vs uint on Linux vs Darwin

Author: eregon

src/main/java/org/truffleruby/platform/DarwinAArch64NativeConfiguration.java

@@ -750,6 +750,7 @@ public static void load(NativeConfiguration configuration, RubyContext context)
         configuration.config("platform.typedef.sae_connid_t", string(context, "uint"));
         configuration.config("platform.typedef.rlim_t", string(context, "ulong_long"));
         configuration.config("platform.typedef.rusage_info_t", string(context, "pointer"));
+        configuration.config("platform.typedef.nfds_t", string(context, "uint"));
         configuration.config("platform.typedef.pthread_t", string(context, "pointer"));
     }
 

src/main/java/org/truffleruby/platform/DarwinAMD64NativeConfiguration.java

@@ -749,6 +749,7 @@ public static void load(NativeConfiguration configuration, RubyContext context)
         configuration.config("platform.typedef.sae_connid_t", string(context, "uint"));
         configuration.config("platform.typedef.rlim_t", string(context, "ulong_long"));
         configuration.config("platform.typedef.rusage_info_t", string(context, "pointer"));
+        configuration.config("platform.typedef.nfds_t", string(context, "uint"));
         configuration.config("platform.typedef.pthread_t", string(context, "pointer"));
     }
 

src/main/java/org/truffleruby/platform/LinuxAArch64NativeConfiguration.java

@@ -863,6 +863,7 @@ public static void load(NativeConfiguration configuration, RubyContext context)
         configuration.config("platform.typedef.sa_family_t", string(context, "ushort"));
         configuration.config("platform.typedef.rlim_t", string(context, "ulong"));
         configuration.config("platform.typedef.rlim64_t", string(context, "ulong"));
+        configuration.config("platform.typedef.nfds_t", string(context, "ulong"));
     }
 
 }

src/main/java/org/truffleruby/platform/LinuxAMD64NativeConfiguration.java

@@ -863,6 +863,7 @@ public static void load(NativeConfiguration configuration, RubyContext context)
         configuration.config("platform.typedef.sa_family_t", string(context, "ushort"));
         configuration.config("platform.typedef.rlim_t", string(context, "ulong"));
         configuration.config("platform.typedef.rlim64_t", string(context, "ulong"));
+        configuration.config("platform.typedef.nfds_t", string(context, "ulong"));
     }
 
 }

src/main/ruby/truffleruby/core/posix.rb

@@ -199,7 +199,7 @@ def self.attach_function_eagerly(native_name, argument_types, return_type,
   attach_function :fsync, [:int], :int
   attach_function :ftruncate, [:int, :off_t], :int
   attach_function :getcwd, [:pointer, :size_t], :string
-  attach_function :ioctl, [:int, :ulong, :long], :int
+  attach_function :ioctl, [:int, :ulong, varargs(:pointer)], :int
   attach_function :isatty, [:int], :int
   attach_function :lchmod, [:string, :mode_t], :int
   attach_function :lchown, [:string, :uid_t, :gid_t], :int
@@ -216,7 +216,7 @@ def self.attach_function_eagerly(native_name, argument_types, return_type,
   attach_function :pipe, [:pointer], :int
   # blocking=false for both poll because the timeout needs to be decreased on EINTR
   attach_function :truffleposix_poll_single_fd, [:int, :int, :int], :int, LIBTRUFFLEPOSIX
-  attach_function :poll, [:pointer, :long, :int], :int
+  attach_function :poll, [:pointer, :nfds_t, :int], :int
   attach_function :read, [:int, :pointer, :size_t], :ssize_t, LIBC, true
   attach_function :readlink, [:string, :pointer, :size_t], :ssize_t
   attach_function :realpath, [:string, :pointer], :pointer
@@ -240,7 +240,7 @@ def self.attach_function_eagerly(native_name, argument_types, return_type,
   Truffle::Boot.delay do
     if NATIVE
       # We should capture the non-lazy method
-      attach_function_eagerly :poll, [:pointer, :long, :int], :int, LIBC, false, :poll, self
+      attach_function_eagerly :poll, [:pointer, :nfds_t, :int], :int, LIBC, false, :poll, self
       POLL = method(:poll)
     end
   end

tool/generate-native-config.rb

@@ -358,11 +358,14 @@ def initialize
   end
 
   def source(io)
-    io.puts '#include <stdint.h>'
-    io.puts '#include <stddef.h>'
-    io.puts '#include <sys/types.h>'
-    io.puts '#include <sys/socket.h>'
-    io.puts '#include <sys/resource.h>'
+    io.puts <<~C
+    #include <stdint.h>
+    #include <stddef.h>
+    #include <sys/types.h>
+    #include <sys/socket.h>
+    #include <sys/resource.h>
+    #include <poll.h>
+    C
   end
 
   def compile_command(source, target)