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-rw-r--r--lib/bool/bool.h2
-rw-r--r--lib/buffer/ringbuffer.c43
-rw-r--r--lib/buffer/ringbuffer.h4
-rw-r--r--lib/int/stdint.h2
-rw-r--r--lib/string/string.c2
5 files changed, 32 insertions, 21 deletions
diff --git a/lib/bool/bool.h b/lib/bool/bool.h
index be2cbd4..c2c6171 100644
--- a/lib/bool/bool.h
+++ b/lib/bool/bool.h
@@ -1,6 +1,8 @@
+/*
#include "lib/int/stdint.h"
#define false 0
#define true !false
#define bool uint8_t
+*/
diff --git a/lib/buffer/ringbuffer.c b/lib/buffer/ringbuffer.c
index dcf7bc2..a121df1 100644
--- a/lib/buffer/ringbuffer.c
+++ b/lib/buffer/ringbuffer.c
@@ -4,27 +4,32 @@
#define FOOLOS_MODULE_NAME "ringbuffer"
-#include "lib/bool/bool.h"
+#include "ringbuffer.h"
+#include "kernel/x86.h"
#include "lib/logger/log.h"
#include "kernel/spinlock.h"
#define RINGBUFFER_SIZE 10
-static volatile int size=RINGBUFFER_SIZE;
+static int size=RINGBUFFER_SIZE;
static volatile int front=RINGBUFFER_SIZE-1;
static volatile int back=RINGBUFFER_SIZE-1;
static volatile char buf[RINGBUFFER_SIZE];
+static spinlock sl=9;
+
bool ringbuffer_put(char c)
{
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"put wants lock)");
- lock_spin(3);
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"locked by put)");
+ x86_int_disable();
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"put wants lock");
+ lock_spin(sl);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"locked by put");
if((back-1+size)%size==front)
{
- lock_release(3);
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by put)");
+ lock_release(sl);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by put");
+ x86_int_enable();
return false;
}
@@ -34,22 +39,25 @@ bool ringbuffer_put(char c)
back+=size;
back%=size;
- lock_release(3);
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by put)");
+ lock_release(sl);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by put");
+ x86_int_enable();
return true;
}
bool ringbuffer_get(char *c)
{
-
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"get wants lock)");
- lock_spin(3);
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"locked by get)");
+ x86_int_disable();
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"get wants lock");
+ lock_spin(sl);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"locked by get");
if(front==back)
{
- lock_release(3);
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by get)");
+ lock_release(sl);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by get");
+ x86_int_enable();
+ *c='_';
return false;
}
@@ -60,8 +68,9 @@ bool ringbuffer_get(char *c)
front+=size;
front%=size;
- lock_release(3);
- log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by get)");
+ lock_release(sl);
+ log(FOOLOS_MODULE_NAME,FOOLOS_LOG_FINE,"unlocked by get");
+ x86_int_enable();
return true;
}
diff --git a/lib/buffer/ringbuffer.h b/lib/buffer/ringbuffer.h
index 2bb6528..038e33a 100644
--- a/lib/buffer/ringbuffer.h
+++ b/lib/buffer/ringbuffer.h
@@ -1,5 +1,3 @@
-#include "lib/bool/bool.h"
-
-void ringbuffer_init();
+#include <stdbool.h>
bool ringbuffer_put(char c);
bool ringbuffer_get(char *c);
diff --git a/lib/int/stdint.h b/lib/int/stdint.h
index 38b7040..f2b975f 100644
--- a/lib/int/stdint.h
+++ b/lib/int/stdint.h
@@ -1,3 +1,5 @@
+/*
#include <stdint.h>
+*/
diff --git a/lib/string/string.c b/lib/string/string.c
index 9f58c43..d5c27f7 100644
--- a/lib/string/string.c
+++ b/lib/string/string.c
@@ -1,4 +1,4 @@
-#include "lib/bool/bool.h"
+#include <stdbool.h>
//length 0 for null terminated strings;
bool strcmp(char *str1, char *str2, int length)