From 42469af0705dcaaa8fa7341392716cd8d4d625da Mon Sep 17 00:00:00 2001
From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Mon, 14 Mar 2011 12:01:05 +0000
Subject: [PATCH] signal: speed up sig_check()

Always inline sig_checkSignal() and provide a "faster" IRQ-less version
__sig_checkSignal(), available for the internal BeRTOS core components.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4766 38d2e660-2303-0410-9eaa-f027e97ec537
---
 bertos/kern/signal.c | 23 -----------------------
 bertos/kern/signal.h | 30 ++++++++++++++++++++++++++++--
 2 files changed, 28 insertions(+), 25 deletions(-)

diff --git a/bertos/kern/signal.c b/bertos/kern/signal.c
index 68abeb88..3fa8d370 100644
--- a/bertos/kern/signal.c
+++ b/bertos/kern/signal.c
@@ -141,29 +141,6 @@
 // Check config dependencies
 CONFIG_DEPEND(CONFIG_KERN_SIGNALS, CONFIG_KERN);
 
-/**
- * Check if any of the signals in \a sigs has occurred and clear them.
- *
- * \return the signals that have occurred.
- */
-sigmask_t sig_checkSignal(Signal *s, sigmask_t sigs)
-{
-	sigmask_t result;
-	cpu_flags_t flags;
-
-	IRQ_SAVE_DISABLE(flags);
-	result = s->recv & sigs;
-	s->recv &= ~sigs;
-	IRQ_RESTORE(flags);
-
-	return result;
-}
-
-
-/**
- * Sleep until any of the signals in \a sigs occurs.
- * \return the signal(s) that have awoken the process.
- */
 sigmask_t sig_waitSignal(Signal *s, sigmask_t sigs)
 {
 	sigmask_t result;
diff --git a/bertos/kern/signal.h b/bertos/kern/signal.h
index a5d5e8d3..2c51f9e8 100644
--- a/bertos/kern/signal.h
+++ b/bertos/kern/signal.h
@@ -51,12 +51,38 @@
 #include <cfg/compiler.h>
 #include <cfg/macros.h>    // BV()
 
+#include <cpu/irq.h>
+
 #include <kern/proc.h>
 
 #if CONFIG_KERN_SIGNALS
 
-/* Inter-process Communication services */
-sigmask_t sig_checkSignal(Signal *s, sigmask_t sigs);
+INLINE sigmask_t __sig_checkSignal(Signal *s, sigmask_t sigs)
+{
+	sigmask_t result;
+
+	result = s->recv & sigs;
+	s->recv &= ~sigs;
+
+	return result;
+}
+
+/**
+ * Check if any of the signals in \a sigs has occurred and clear them.
+ *
+ * \return the signals that have occurred.
+ */
+INLINE sigmask_t sig_checkSignal(Signal *s, sigmask_t sigs)
+{
+	cpu_flags_t flags;
+	sigmask_t result;
+
+	IRQ_SAVE_DISABLE(flags);
+	result = __sig_checkSignal(s, sigs);
+	IRQ_RESTORE(flags);
+
+	return result;
+}
 
 INLINE sigmask_t sig_check(sigmask_t sigs)
 {
-- 
2.25.1