lib/signals: clean up whitespaces and style

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/signals.nit b/lib/signals.nit
index d704d3f..8422833 100644 (file)
--- a/lib/signals.nit
+++ b/lib/signals.nit
@@ -107,10 +107,10 @@ interface SignalHandler
        #
        #     class MyReceiver
        #         super SignalHandler
-       #     
+       #
        #         redef fun receive_signal(signal) do print "received safely {signal}"
        #     end
-       #     
+       #
        #     var r = new MyReceiver
        #     r.handle_signal(sigint, true) # will call back when "check_signals" is called
        #     # ...
@@ -127,10 +127,10 @@ interface SignalHandler
        #
        #     class MyReceiver
        #         super SignalHandler
-       #     
+       #
        #         redef fun receive_signal_unsafe(signal) do print "received unsafely {signal}"
        #     end
-       #     
+       #
        #     var r = new MyReceiver
        #     r.handle_signal(sigsegv, false) # `r.receive_signal_unsafe` will be invoked on sigsegv
        fun receive_signal_unsafe(signal: Int) do end
@@ -140,8 +140,7 @@ interface SignalHandler
        # If `safely`, receiver will be called when `check_signals` in invoked
        # otherwise the receiver is invoked when the signal is raised, it may
        # crash the Nit system but is unavoidable for unstoppable signals.
-       fun handle_signal(signal: Int, safely: Bool) import
-               receive_signal `{
+       fun handle_signal(signal: Int, safely: Bool) import receive_signal `{
                SignalHandler last_handler;
                if (signal < 32 && signal >=0) {
                        struct sigaction act;
@@ -227,7 +226,7 @@ redef class Process
 
        # Send the kill signal to the process
        fun kill do signal(sigkill)
-       
+
        # Native implementation of `signal`
        private fun native_kill(pid, signal: Int) `{ kill(pid, signal); `}
 end
@@ -304,7 +303,7 @@ fun sigvtalrm: Int do return 26
 # Profiling timer expired
 fun sigprof: Int do return 27
 
-# Sent to a process when its controlling terminal changes its window size 
+# Sent to a process when its controlling terminal changes its window size
 fun sigwinch: Int do return 28
 
 # Sent to a process when the system experiences a power failure