X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0f5e8daaa6e9f74521068aa75837200bcd182ea6..a5de99b2e59f7e8d83c592d361a980d5f33693e5:/include/xbt/ex.h diff --git a/include/xbt/ex.h b/include/xbt/ex.h index 26d2033c8b..11d4037d78 100644 --- a/include/xbt/ex.h +++ b/include/xbt/ex.h @@ -259,6 +259,7 @@ typedef enum { system_error, /**< a syscall did fail */ network_error, /**< error while sending/receiving data */ timeout_error, /**< not quick enough, dude */ + cancel_error, /**< an action was canceled */ thread_error, /**< error while [un]locking */ host_error, /**< host failed */ tracing_error /**< error during the simulation tracing */ @@ -289,50 +290,53 @@ typedef struct { void *bt[XBT_BACKTRACE_SIZE]; } xbt_ex_t; -/* declare the context type (private) */ +/* declare the running context type + * (that's where we get the process name for the logs and the exception storage) + * -- do not mess with it -- + */ typedef struct { __ex_mctx_t *ctx_mctx; /* permanent machine context of enclosing try/catch */ volatile int ctx_caught; /* temporary flag whether exception was caught */ - volatile xbt_ex_t ctx_ex; /* temporary exception storage */ -} ex_ctx_t; + volatile xbt_ex_t exception; /* temporary exception storage */ +} xbt_running_ctx_t; /* the static and dynamic initializers for a context structure */ -#define XBT_CTX_INITIALIZER \ +#define XBT_RUNNING_CTX_INITIALIZER \ { NULL, 0, { /* content */ NULL, unknown_error, 0, \ /* throw point*/ 0,NULL, NULL,0, NULL, 0, NULL,\ /* backtrace */ 0,NULL,{NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL} } } -#define XBT_CTX_INITIALIZE(ctx) \ +#define XBT_RUNNING_CTX_INITIALIZE(ctx) \ do { \ (ctx)->ctx_mctx = NULL; \ (ctx)->ctx_caught = 0; \ - (ctx)->ctx_ex.msg = NULL; \ - (ctx)->ctx_ex.category = 0; \ - (ctx)->ctx_ex.value = 0; \ - (ctx)->ctx_ex.remote = 0; \ - (ctx)->ctx_ex.host = NULL; \ - (ctx)->ctx_ex.procname = NULL; \ - (ctx)->ctx_ex.pid = 0; \ - (ctx)->ctx_ex.file = NULL; \ - (ctx)->ctx_ex.line = 0; \ - (ctx)->ctx_ex.func = NULL; \ - (ctx)->ctx_ex.bt[0] = NULL; \ - (ctx)->ctx_ex.bt[1] = NULL; \ - (ctx)->ctx_ex.bt[2] = NULL; \ - (ctx)->ctx_ex.bt[3] = NULL; \ - (ctx)->ctx_ex.bt[4] = NULL; \ - (ctx)->ctx_ex.bt[5] = NULL; \ - (ctx)->ctx_ex.bt[6] = NULL; \ - (ctx)->ctx_ex.bt[7] = NULL; \ - (ctx)->ctx_ex.bt[8] = NULL; \ - (ctx)->ctx_ex.bt[9] = NULL; \ - (ctx)->ctx_ex.used = 0; \ - (ctx)->ctx_ex.bt_strings = NULL; \ + (ctx)->exception.msg = NULL; \ + (ctx)->exception.category = 0; \ + (ctx)->exception.value = 0; \ + (ctx)->exception.remote = 0; \ + (ctx)->exception.host = NULL; \ + (ctx)->exception.procname = NULL; \ + (ctx)->exception.pid = 0; \ + (ctx)->exception.file = NULL; \ + (ctx)->exception.line = 0; \ + (ctx)->exception.func = NULL; \ + (ctx)->exception.bt[0] = NULL; \ + (ctx)->exception.bt[1] = NULL; \ + (ctx)->exception.bt[2] = NULL; \ + (ctx)->exception.bt[3] = NULL; \ + (ctx)->exception.bt[4] = NULL; \ + (ctx)->exception.bt[5] = NULL; \ + (ctx)->exception.bt[6] = NULL; \ + (ctx)->exception.bt[7] = NULL; \ + (ctx)->exception.bt[8] = NULL; \ + (ctx)->exception.bt[9] = NULL; \ + (ctx)->exception.used = 0; \ + (ctx)->exception.bt_strings = NULL; \ } while (0) /* the exception context */ -typedef ex_ctx_t *(*ex_ctx_cb_t) (void); -XBT_PUBLIC_DATA(ex_ctx_cb_t) __xbt_ex_ctx; -extern ex_ctx_t *__xbt_ex_ctx_default(void); +typedef xbt_running_ctx_t *(*xbt_running_ctx_fetcher_t) (void); +XBT_PUBLIC_DATA(xbt_running_ctx_fetcher_t) __xbt_running_ctx_fetch; +extern xbt_running_ctx_t *__xbt_ex_ctx_default(void); /* the termination handler */ typedef void (*ex_term_cb_t) (xbt_ex_t *); @@ -344,7 +348,7 @@ extern void __xbt_ex_terminate_default(xbt_ex_t * e); */ #define TRY \ { \ - ex_ctx_t *__xbt_ex_ctx_ptr = __xbt_ex_ctx(); \ + xbt_running_ctx_t *__xbt_ex_ctx_ptr = __xbt_running_ctx_fetch(); \ int __ex_cleanup = 0; \ __ex_mctx_t *__ex_mctx_en; \ __ex_mctx_t __ex_mctx_me; \ @@ -393,20 +397,20 @@ extern void __xbt_ex_terminate_default(xbt_ex_t * e); } \ __xbt_ex_ctx_ptr->ctx_mctx = __ex_mctx_en; \ } \ - if ( !(__xbt_ex_ctx()->ctx_caught) \ - || ((e) = XBT_EX_T_CPLUSPLUSCAST __xbt_ex_ctx()->ctx_ex, MAYDAY_CATCH(e) 0)) { \ + if ( !(__xbt_running_ctx_fetch()->ctx_caught) \ + || ((e) = XBT_EX_T_CPLUSPLUSCAST __xbt_running_ctx_fetch()->exception, MAYDAY_CATCH(e) 0)) { \ } \ else -#define DO_THROW(e) \ - /* deal with the exception */ \ - if (__xbt_ex_ctx()->ctx_mctx == NULL) \ - __xbt_ex_terminate((xbt_ex_t *)&(e)); /* not catched */\ - else \ - __ex_mctx_restore(__xbt_ex_ctx()->ctx_mctx); /* catched somewhere */ \ - abort() /* nope, stupid GCC, we won't survive a THROW (this won't be reached) */ +#define DO_THROW(running_ctx) \ + /* deal with the exception */ \ + if (running_ctx->ctx_mctx == NULL) \ + __xbt_ex_terminate((xbt_ex_t*)&(running_ctx->exception)); /* not catched */ \ + else \ + __ex_mctx_restore(running_ctx->ctx_mctx); /* catched somewhere */ \ + abort() /* nope, stupid GCC, we won't survive a THROW (this won't be reached) */ -/** @brief Helper macro for THROWS0-6 +/** @brief Helper macro for THROW and THROWF * @hideinitializer * * @param c: category code (integer) @@ -417,7 +421,7 @@ extern void __xbt_ex_terminate_default(xbt_ex_t * e); * is copied into the CATCH relevant variable program control flow * is derouted to the CATCH (after the optional sg_cleanup). * - * If no TRY/CATCH construct embeeds this call, the program calls + * If no TRY/CATCH construct embeds this call, the program calls * abort(3). * * The THROW can be performed everywhere, including inside TRY, @@ -425,52 +429,36 @@ extern void __xbt_ex_terminate_default(xbt_ex_t * e); */ #define _THROW(c,v,m) \ - 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); \ + do { /* change this sequence into one block */ \ + xbt_running_ctx_t *_throw_ctx = __xbt_running_ctx_fetch(); \ + /* build the exception */ \ + _throw_ctx->exception.msg = (m); \ + _throw_ctx->exception.category = (xbt_errcat_t)(c); \ + _throw_ctx->exception.value = (v); \ + _throw_ctx->exception.remote = 0; \ + _throw_ctx->exception.host = (char*)NULL; \ + _throw_ctx->exception.procname = (char*)xbt_procname(); \ + _throw_ctx->exception.pid = (*xbt_getpid)(); \ + _throw_ctx->exception.file = (char*)__FILE__; \ + _throw_ctx->exception.line = __LINE__; \ + _throw_ctx->exception.func = (char*)_XBT_FUNCTION; \ + _throw_ctx->exception.bt_strings = NULL; \ + xbt_backtrace_current( (xbt_ex_t *) &(_throw_ctx->exception) ); \ + DO_THROW(_throw_ctx); \ } 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 THROW0(c,v,m) _THROW(c,v,(m?bprintf(m):NULL)) -/** @brief Builds and throws an exception with a string taking one argument - @hideinitializer */ -#define THROW1(c,v,m,a1) _THROW(c,v,bprintf(m,a1)) -/** @brief Builds and throws an exception with a string taking two arguments - @hideinitializer */ -#define THROW2(c,v,m,a1,a2) _THROW(c,v,bprintf(m,a1,a2)) -/** @brief Builds and throws an exception with a string taking three arguments +/** @brief Builds and throws an exception @hideinitializer */ -#define THROW3(c,v,m,a1,a2,a3) _THROW(c,v,bprintf(m,a1,a2,a3)) -/** @brief Builds and throws an exception with a string taking four arguments - @hideinitializer */ -#define THROW4(c,v,m,a1,a2,a3,a4) _THROW(c,v,bprintf(m,a1,a2,a3,a4)) -/** @brief Builds and throws an exception with a string taking five arguments - @hideinitializer */ -#define THROW5(c,v,m,a1,a2,a3,a4,a5) _THROW(c,v,bprintf(m,a1,a2,a3,a4,a5)) -/** @brief Builds and throws an exception with a string taking six arguments - @hideinitializer */ -#define THROW6(c,v,m,a1,a2,a3,a4,a5,a6) _THROW(c,v,bprintf(m,a1,a2,a3,a4,a5,a6)) -/** @brief Builds and throws an exception with a string taking seven arguments +#define THROW(c, v) _THROW(c, v, NULL) + +/** @brief Builds and throws an exception with a printf-like formatted message @hideinitializer */ -#define THROW7(c,v,m,a1,a2,a3,a4,a5,a6,a7) _THROW(c,v,bprintf(m,a1,a2,a3,a4,a5,a6,a7)) +#define THROWF(c, v, ...) _THROW(c, v, bprintf(__VA_ARGS__)) -#define THROW_IMPOSSIBLE THROW0(unknown_error,0,"The Impossible Did Happen (yet again)") -#define THROW_UNIMPLEMENTED THROW1(unknown_error,0,"Function %s unimplemented",_XBT_FUNCTION) +#define THROW_IMPOSSIBLE \ + THROWF(unknown_error, 0, "The Impossible Did Happen (yet again)") +#define THROW_UNIMPLEMENTED \ + THROWF(unknown_error, 0, "Function %s unimplemented",_XBT_FUNCTION) #ifndef NDEBUG # define DIE_IMPOSSIBLE xbt_assert0(0,"The Impossible Did Happen (yet again)") @@ -483,50 +471,25 @@ extern void __xbt_ex_terminate_default(xbt_ex_t * e); */ #define RETHROW \ do { \ - if (__xbt_ex_ctx()->ctx_mctx == NULL) \ - __xbt_ex_terminate((xbt_ex_t *)&(__xbt_ex_ctx()->ctx_ex)); \ + xbt_running_ctx_t *ctx = __xbt_running_ctx_fetch(); \ + if (ctx->ctx_mctx == NULL) \ + __xbt_ex_terminate((xbt_ex_t*)&(ctx->exception)); \ else \ - __ex_mctx_restore(__xbt_ex_ctx()->ctx_mctx); \ + __ex_mctx_restore(ctx->ctx_mctx); \ abort();\ } while(0) - -#ifndef DOXYGEN_SKIP -#define _XBT_PRE_RETHROW \ - do { \ - char *_xbt_ex_internal_msg = __xbt_ex_ctx()->ctx_ex.msg; \ - __xbt_ex_ctx()->ctx_ex.msg = bprintf( -#define _XBT_POST_RETHROW \ - _xbt_ex_internal_msg); \ - free(_xbt_ex_internal_msg); \ - RETHROW; \ - } while (0) -#endif - -/** @brief like THROW0, but adding some details to the message of an existing exception - * @hideinitializer - */ -#define RETHROW0(msg) _XBT_PRE_RETHROW msg, _XBT_POST_RETHROW -/** @brief like THROW1, but adding some details to the message of an existing exception +/** @brief like THROWF, but adding some details to the message of an existing exception * @hideinitializer */ -#define RETHROW1(msg,a) _XBT_PRE_RETHROW msg,a, _XBT_POST_RETHROW -/** @brief like THROW2, but adding some details to the message of an existing exception - * @hideinitializer - */ -#define RETHROW2(msg,a,b) _XBT_PRE_RETHROW msg,a,b, _XBT_POST_RETHROW -/** @brief like THROW3, but adding some details to the message of an existing exception - * @hideinitializer - */ -#define RETHROW3(msg,a,b,c) _XBT_PRE_RETHROW msg,a,b,c, _XBT_POST_RETHROW -/** @brief like THROW4, but adding some details to the message of an existing exception - * @hideinitializer - */ -#define RETHROW4(msg,a,b,c,d) _XBT_PRE_RETHROW msg,a,b,c,d, _XBT_POST_RETHROW -/** @brief like THROW5, but adding some details to the message of an existing exception - * @hideinitializer - */ -#define RETHROW5(msg,a,b,c,d,e) _XBT_PRE_RETHROW msg,a,b,c,d,e, _XBT_POST_RETHROW +#define RETHROWF(...) \ + do { \ + char *_xbt_ex_internal_msg = __xbt_running_ctx_fetch()->exception.msg; \ + __xbt_running_ctx_fetch()->exception.msg = bprintf(__VA_ARGS__, \ + _xbt_ex_internal_msg); \ + free(_xbt_ex_internal_msg); \ + RETHROW; \ + } while (0) /** @brief Exception destructor */ XBT_PUBLIC(void) xbt_ex_free(xbt_ex_t e); @@ -538,6 +501,29 @@ 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); +#if 1 || defined(XBT_USE_DEPRECATED) + +/* Kept for backward compatibility. */ + +#define THROW0(c, v, m) \ + do { if (m) THROWF(c, v, m); else THROW(c, v); } while (0) +#define THROW1(c, v, ...) THROWF(c, v, __VA_ARGS__) +#define THROW2(c, v, ...) THROWF(c, v, __VA_ARGS__) +#define THROW3(c, v, ...) THROWF(c, v, __VA_ARGS__) +#define THROW4(c, v, ...) THROWF(c, v, __VA_ARGS__) +#define THROW5(c, v, ...) THROWF(c, v, __VA_ARGS__) +#define THROW6(c, v, ...) THROWF(c, v, __VA_ARGS__) +#define THROW7(c, v, ...) THROWF(c, v, __VA_ARGS__) + +#define RETHROW0(...) RETHROWF(__VA_ARGS__) +#define RETHROW1(...) RETHROWF(__VA_ARGS__) +#define RETHROW2(...) RETHROWF(__VA_ARGS__) +#define RETHROW3(...) RETHROWF(__VA_ARGS__) +#define RETHROW4(...) RETHROWF(__VA_ARGS__) +#define RETHROW5(...) RETHROWF(__VA_ARGS__) + +#endif + SG_END_DECL() /** @} */