#ifndef __XBT_EX_H__
#define __XBT_EX_H__
-#include <xbt/sysdep.h>
-#include <xbt/misc.h>
-
-/* do not include execinfo.h directly since it's not always available.
- Instead, copy the parts we need (and fake when it's not there) */
-extern int backtrace (void **__array, int __size);
-
-/* required ISO-C standard facilities */
-#include <errno.h>
-#include <stdio.h>
-
+#include "xbt/sysdep.h"
+#include "xbt/misc.h"
+#include "xbt/virtu.h"
/*-*-* Emergency debuging: define this when the exceptions get crazy *-*-*/
#undef __EX_MAYDAY
#ifdef __EX_MAYDAY
-int gras_os_getpid(void);
+# include <stdio.h>
+#include <errno.h>
+
# define MAYDAY_SAVE(m) printf("%d %s:%d save %p\n", \
- gras_os_getpid(),__FILE__,__LINE__, \
+ (*xbt_getpid)(),__FILE__,__LINE__, \
(m)->jb \
),
# define MAYDAY_RESTORE(m) printf("%d %s:%d restore %p\n", \
- gras_os_getpid(),__FILE__,__LINE__, \
+ (*xbt_getpid)(),__FILE__,__LINE__, \
(m)->jb \
),
# define MAYDAY_CATCH(e) printf("%d %s:%d Catched '%s'\n", \
- gras_os_getpid(),__FILE__,__LINE__, \
+ (*xbt_getpid)(),__FILE__,__LINE__, \
e.msg \
),
#else
* @{
*/
-/* we need this symbol here, even if it breaks a bit the module separation */
-long int gras_os_getpid(void);
-
/** @brief different kind of errors */
typedef enum {
unknown_error=0, /**< unknown error */
arg_error, /**< Invalid argument */
+ bound_error, /**< Out of bounds argument */
mismatch_error, /**< The provided ID does not match */
not_found_error, /**< The searched element was not found */
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 */
+ thread_error, /**< error while [un]locking */
+ host_error /**< host failed */
} xbt_errcat_t;
-const char * xbt_ex_catname(xbt_errcat_t cat);
+XBT_PUBLIC(const char *) xbt_ex_catname(xbt_errcat_t cat);
/** @brief Structure describing an exception */
typedef struct {
char *host; /**< NULL locally thrown exceptions; full hostname if remote ones */
/* FIXME: host should be hostname:port[#thread] */
char *procname; /**< Name of the process who thrown this */
- long int pid; /**< PID of the process who thrown this */
+ int pid; /**< PID of the process who thrown this */
char *file; /**< Thrown point */
int line; /**< Thrown point */
char *func; /**< Thrown point */
/* the exception context */
typedef ex_ctx_t *(*ex_ctx_cb_t)(void);
-extern ex_ctx_cb_t __xbt_ex_ctx;
+XBT_PUBLIC_DATA(ex_ctx_cb_t) __xbt_ex_ctx;
extern ex_ctx_t *__xbt_ex_ctx_default(void);
/* the termination handler */
typedef void (*ex_term_cb_t)(xbt_ex_t *);
-extern ex_term_cb_t __xbt_ex_terminate;
+XBT_PUBLIC_DATA(ex_term_cb_t) __xbt_ex_terminate;
extern void __xbt_ex_terminate_default(xbt_ex_t *e);
/** @brief Introduce a block where exception may be dealed with
*/
#define _THROW(c,v,m) \
- do { /* change this sequence into one block */ \
- /* build the exception */ \
- __xbt_ex_ctx()->ctx_ex.msg = (m); \
- __xbt_ex_ctx()->ctx_ex.category = (xbt_errcat_t)(c); \
- __xbt_ex_ctx()->ctx_ex.value = (v); \
- __xbt_ex_ctx()->ctx_ex.remote = 0; \
- __xbt_ex_ctx()->ctx_ex.host = (char*)NULL; \
- __xbt_ex_ctx()->ctx_ex.procname = (char*)xbt_procname(); \
- __xbt_ex_ctx()->ctx_ex.pid = gras_os_getpid(); \
- __xbt_ex_ctx()->ctx_ex.file = (char*)__FILE__; \
- __xbt_ex_ctx()->ctx_ex.line = __LINE__; \
- __xbt_ex_ctx()->ctx_ex.func = (char*)_XBT_FUNCTION; \
- __xbt_ex_ctx()->ctx_ex.used = backtrace((void**)__xbt_ex_ctx()->ctx_ex.bt,XBT_BACKTRACE_SIZE);\
- __xbt_ex_ctx()->ctx_ex.bt_strings = NULL; \
- DO_THROW(__xbt_ex_ctx()->ctx_ex);\
+ do { /* change this sequence into one block */ \
+ ex_ctx_t *_throw_ctx = __xbt_ex_ctx(); \
+ /* build the exception */ \
+ _throw_ctx->ctx_ex.msg = (m); \
+ _throw_ctx->ctx_ex.category = (xbt_errcat_t)(c); \
+ _throw_ctx->ctx_ex.value = (v); \
+ _throw_ctx->ctx_ex.remote = 0; \
+ _throw_ctx->ctx_ex.host = (char*)NULL; \
+ _throw_ctx->ctx_ex.procname = (char*)xbt_procname(); \
+ _throw_ctx->ctx_ex.pid = (*xbt_getpid)(); \
+ _throw_ctx->ctx_ex.file = (char*)__FILE__; \
+ _throw_ctx->ctx_ex.line = __LINE__; \
+ _throw_ctx->ctx_ex.func = (char*)_XBT_FUNCTION; \
+ _throw_ctx->ctx_ex.bt_strings = NULL; \
+ xbt_backtrace_current( (xbt_ex_t *) &(_throw_ctx->ctx_ex) ); \
+ DO_THROW(_throw_ctx->ctx_ex); \
} while (0)
+// __xbt_ex_ctx()->ctx_ex.used = backtrace((void**)__xbt_ex_ctx()->ctx_ex.bt,XBT_BACKTRACE_SIZE);
/** @brief Builds and throws an exception with a string taking no arguments
@hideinitializer */
#define RETHROW5(msg,a,b,c,d,e) _XBT_PRE_RETHROW msg,a,b,c,d,e, _XBT_POST_RETHROW
/** @brief Exception destructor */
-void xbt_ex_free(xbt_ex_t e);
-
-void xbt_ex_display(xbt_ex_t *e);
-void xbt_backtrace_display(void);
+XBT_PUBLIC(void) xbt_ex_free(xbt_ex_t e);
+
+/** @brief Shows a backtrace of the current location */
+XBT_PUBLIC(void) xbt_backtrace_display_current(void);
+/** @brief Captures a backtrace for further use */
+XBT_PUBLIC(void) xbt_backtrace_current(xbt_ex_t *e);
+/** @brief Display a previously captured backtrace */
+XBT_PUBLIC(void) xbt_backtrace_display(xbt_ex_t *e);
/** @} */
#endif /* __XBT_EX_H__ */