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-rw-r--r--src/kernel/lib/earray.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/kernel/lib/earray.h b/src/kernel/lib/earray.h
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+++ b/src/kernel/lib/earray.h
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+#ifndef DEF_EARRAY_H
+#define DEF_EARRAY_H
+
+#include <sched.h>
+
+/*
+ * This class implements a simple extensible array structure.
+ * An entry with a 0 value is considered free and can be allocated.
+ * The array will free as much space when elements are removed.
+ */
+
+template <typename T>
+struct earray {
+ private:
+ int ref_vect_init_len;
+ int vect_len; // NEVER CHANGE THIS AFTER INITIALISATION!!!!
+
+ int ref_vect_len;
+ int elements;
+ T ***data;
+
+ mutex_t mutex;
+
+ public:
+ earray(int refvectinitlen, int vectlen);
+ ~earray();
+
+ int add(T* ptr); // return element number or -1 if fail
+ T* at(int num); // returns 0 when nothing
+ void set(int num, T* ptr);
+};
+
+
+
+#endif