+++ /dev/null
-/* $Id$ */
-
-/* gras/error.h - Error tracking support */
-
-/* Authors: Martin Quinson */
-/* Copyright (C) 2003 the OURAGAN project. */
-
-/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
-
-
-#ifndef GRAS_ERROR_H
-#define GRAS_ERROR_H
-
-#include <stddef.h> /* offsetof() */
-#include <sys/types.h> /* size_t */
-#include <stdarg.h>
-#ifdef HAVE_EXECINFO_H
-#include <execinfo.h> /* to print the backtrace */
-#endif
-
-/* C++ users need love */
-#ifndef BEGIN_DECL
-# ifdef __cplusplus
-# define BEGIN_DECL extern "C" {
-# else
-# define BEGIN_DECL
-# endif
-#endif
-
-/*! C++ users need love */
-#ifndef END_DECL
-# ifdef __cplusplus
-# define END_DECL }
-# else
-# define END_DECL
-# endif
-#endif
-/* End of cruft for C++ */
-
-BEGIN_DECL
-
-typedef enum {
- no_error=0, /* succes */
- malloc_error, /* Well known error */
- mismatch_error, /* The provided ID does not match */
- system_error, /* a syscall did fail */
- network_error, /* error while sending/receiving data */
- timeout_error, /* not quick enough, dude */
- thread_error, /* error while [un]locking */
- unknown_error
-} gras_error_t;
-
-/*@observer@*/ const char *gras_error_name(gras_error_t errcode);
-
-#define TRY(a) do { \
- if ((errcode=a) != no_error) { \
- fprintf (stderr, "%s:%d: '%s' error raising...\n", \
- __FILE__,__LINE__, \
- gras_error_name(errcode)); \
- return errcode; \
- } } while (0)
-
-#define TRYCATCH(a,b) if ((errcode=a) != no_error && errcode !=b) return errcode
-#define TRYFAIL(a) do { \
- if ((errcode=a) != no_error) { \
- fprintf(stderr,"%s:%d: Got '%s' error !\n", \
- __FILE__,__LINE__, \
- gras_error_name(errcode)); \
- fflush(stdout); \
- abort(); \
- } } while(0)
-
-#define TRYEXPECT(action,expected_error) do { \
- errcode=action; \
- if (errcode != expected_error) { \
- fprintf(stderr,"Got error %s (instead of %s expected)\n", \
- gras_error_name(errcode), \
- gras_error_name(expected_error)); \
- abort(); \
- } \
-} while(0)
-
-/* FIXME TRYCLEAN should be avoided for readability */
-#define TRYCLEAN(action,cleanup) do { \
- if ((errcode=action) != no_error) { \
- cleanup; \
- return errcode; \
- } \
-} while(0)
-
-#if 0 /* FIXME: We don't use backtrace. Drop it? */
-#define _GRAS_ERR_PRE do { \
- void *_gs_array[30]; \
- size_t _gs_size= backtrace (_gs_array, 30); \
- char **_gs_strings= backtrace_symbols (_gs_array, _gs_size); \
- size_t _gs_i;
-
-#define _GRAS_ERR_POST(code) \
- fprintf(stderr,"Backtrace follows\n"); \
- for (_gs_i = 0; _gs_i < _gs_size; _gs_i++) \
- fprintf (stderr," %s\n", _gs_strings[_gs_i]); \
- return code; \
-} while (0)
-
-#else
-#define _GRAS_ERR_PRE do {
-#define _GRAS_ERR_POST(code) \
- return code; \
-} while (0)
-#endif
-
-#define RAISE0(code,fmt) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__); \
- _GRAS_ERR_POST(code)
-#define RAISE1(code,fmt,a1) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__,a1); \
- _GRAS_ERR_POST(code)
-#define RAISE2(code,fmt,a1,a2) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__,a1,a2); \
- _GRAS_ERR_POST(code)
-#define RAISE3(code,fmt,a1,a2,a3) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__,a1,a2,a3); \
- _GRAS_ERR_POST(code)
-#define RAISE4(code,fmt,a1,a2,a3,a4) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__,a1,a2,a3,a4); \
- _GRAS_ERR_POST(code)
-#define RAISE5(code,fmt,a1,a2,a3,a4,a5) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__,a1,a2,a3,a4,a5); \
- _GRAS_ERR_POST(code)
-#define RAISE6(code,fmt,a1,a2,a3,a4,a5,a6) _GRAS_ERR_PRE \
- fprintf(stderr,"%s:%d:%s: " fmt "\n", \
- __FILE__,__LINE__,__FUNCTION__,a1,a2,a3,a4,a5,a6); \
- _GRAS_ERR_POST(code)
-
-#define RAISE_MALLOC RAISE0(malloc_error,"Malloc error")
-#define RAISE_IMPOSSIBLE RAISE0(unknown_error,"The Impossible did happen")
-#define RAISE_UNIMPLEMENTED RAISE1(unknown_error,"Function %s unimplemented",__FUNCTION__)
-
-#define gras_abort abort
-
-#define gras_assert(cond) if (!(cond)) { CRITICAL1("Assertion %s failed", #cond); gras_abort(); }
-#define gras_assert0(cond,msg) if (!(cond)) { CRITICAL0(msg); gras_abort(); }
-#define gras_assert1(cond,msg,a) if (!(cond)) { CRITICAL1(msg,a); gras_abort(); }
-#define gras_assert2(cond,msg,a,b) if (!(cond)) { CRITICAL2(msg,a,b); gras_abort(); }
-#define gras_assert3(cond,msg,a,b,c) if (!(cond)) { CRITICAL3(msg,a,b,c); gras_abort(); }
-#define gras_assert4(cond,msg,a,b,c,d) if (!(cond)) { CRITICAL4(msg,a,b,c,d); gras_abort(); }
-#define gras_assert5(cond,msg,a,b,c,d,e) if (!(cond)) { CRITICAL5(msg,a,b,c,d,e); gras_abort(); }
-#define gras_assert6(cond,msg,a,b,c,d,e,f) if (!(cond)) { CRITICAL6(msg,a,b,c,d,e,f); gras_abort(); }
-
-END_DECL
-
-#endif /* GRAS_ERROR_H */
-
