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#ifndef __EXCEPTIONS_H__
#define __EXCEPTIONS_H__
#ifdef __cplusplus
#include <stdio.h>
#include <unistd.h>
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#define INLINE __inline__
class Base {
public:
static char * strdup(const char * s);
static void * malloc(ssize_t s);
static void * realloc(void * p, size_t s);
static void * calloc(size_t n, size_t s);
void * operator new(size_t s);
void * operator new(size_t s, void * p);
void operator delete(void * p);
static void free(void *& p);
static void free(char *& p);
static void free(unsigned char *& p);
static int pipe(int * p, int flag = 0);
static pid_t fork();
static void exit(int);
};
class String;
class GeneralException : public Base {
public:
GeneralException(String);
GeneralException(const GeneralException &);
~GeneralException();
const char * GetMsg() const;
protected:
GeneralException();
char * msg;
static char t[BUFSIZ];
};
char * xstrdup(const char *);
void * xmalloc(size_t) throw (GeneralException);
void xfree(void *&);
void xfree(char *&);
void xfree(unsigned char *&);
void * xrealloc(void *, size_t);
int xpipe(int *, int = 0) throw (GeneralException);
pid_t xfork() throw (GeneralException);
void xexit(int) throw (GeneralException);
INLINE char * Base::strdup(const char * s) {
return xstrdup(s);
}
INLINE void * Base::malloc(ssize_t s) {
return xmalloc(s);
}
INLINE void * Base::realloc(void * p, size_t s) {
return xrealloc(p, s);
}
INLINE void * Base::calloc(size_t n, size_t s) {
return xmalloc(n * s);
}
INLINE void * Base::operator new(size_t s) {
return xmalloc(s);
}
INLINE void * Base::operator new(size_t s, void * p) {
return memset(p, 0, s);
}
INLINE void Base::operator delete(void * p) {
xfree(p);
}
INLINE void Base::free(void *& p) {
xfree(p);
}
INLINE void Base::free(char *& p) {
xfree(p);
}
INLINE void Base::free(unsigned char *& p) {
xfree(p);
}
INLINE int Base::pipe(int * p, int flag) {
return xpipe(p, flag);
}
INLINE pid_t Base::fork() {
return xfork();
}
INLINE void Base::exit(int status) {
xexit(status);
}
class MemoryException : public GeneralException {
public:
MemoryException(ssize_t);
};
class TaskNotFound : public GeneralException {
public:
TaskNotFound();
};
enum op_t {
IO_WRITE = 1,
IO_READ
};
class IOGeneral : public GeneralException {
public:
IOGeneral(String);
protected:
IOGeneral();
};
class IOException : public IOGeneral {
public:
IOException(String, op_t, ssize_t);
};
class IOAgain : public IOGeneral {
public:
IOAgain();
};
class TaskSwitch : public GeneralException {
public:
TaskSwitch();
};
class Exit : public GeneralException {
public:
Exit(int);
int GetCode();
private:
int code;
};
#include <String.h>
#else
#error This only works with a C++ compiler
#endif
#endif
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