Now using Doug Lea's malloc for userland too. And improved stability.

2 files changed, 0 insertions, 39 deletions

diff --git a/src/kernel/lib/mutex.c b/src/kernel/lib/mutex.c
deleted file mode 100644
index 2664eb0..0000000
--- a/src/kernel/lib/mutex.c
+++ /dev/null
@@ -1,24 +0,0 @@
-#include "mutex.h"
-#include <task/task.h>
-
-/*	Internal use only. This function is atomic, meaning it cannot be interrupted by a system task switch. */
-static uint32_t atomic_exchange(uint32_t* ptr, uint32_t newval) {
-	uint32_t r;
-	asm volatile("xchg (%%ecx), %%eax" : "=a"(r) : "c"(ptr), "a"(newval));
-	return r;
-}
-
-void mutex_lock(uint32_t* mutex) {
-	while (atomic_exchange(mutex, MUTEX_LOCKED) == MUTEX_LOCKED) {
-		thread_sleep(1);
-	}
-}
-
-int mutex_lockE(uint32_t* mutex) {
-	if (atomic_exchange(mutex, MUTEX_LOCKED) == MUTEX_LOCKED) return 0;
-	return 1;
-}
-
-void mutex_unlock(uint32_t* mutex) {
-	*mutex = MUTEX_UNLOCKED;
-}
diff --git a/src/kernel/lib/mutex.h b/src/kernel/lib/mutex.h
deleted file mode 100644
index 2687b30..0000000
--- a/src/kernel/lib/mutex.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef DEF_MUTEX_H
-#define DEF_MUTEX_H
-
-#include <types.h>
-
-#define MUTEX_LOCKED 1
-#define MUTEX_UNLOCKED 0
-
-//A mutex is just an uint32_t
-
-void mutex_lock(uint32_t* mutex);	//wait for mutex to be free
-int mutex_lockE(uint32_t* mutex);	//lock mutex only if free, returns !0 if locked, 0 if was busy
-void mutex_unlock(uint32_t* mutex);
-
-#endif