X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d9347ab3e960f0f098338c88a79724dbcf4a58bb..034696853c320dc71bd73cd98de6b740d9359c8e:/include/xbt/ex.h diff --git a/include/xbt/ex.h b/include/xbt/ex.h index 2d17bffe1c..a72f16b120 100644 --- a/include/xbt/ex.h +++ b/include/xbt/ex.h @@ -1,6 +1,8 @@ /* ex - Exception Handling */ -/* Copyright (c) 2005-2010 The SimGrid team */ +/* Copyright (c) 2005-2014. The SimGrid Team. + * All rights reserved. */ + /* Copyright (c) 2002-2004 Ralf S. Engelschall */ /* Copyright (c) 2002-2004 The OSSP Project */ /* Copyright (c) 2002-2004 Cable & Wireless */ @@ -140,7 +142,7 @@ __ex_mctx_struct} __ex_mctx_t; * * Any exception thrown directly from the TRIED_BLOCK block or from called * subroutines is caught. Cleanups which must be done after this block - * (whenever an exception arised or not) should be placed into the optionnal + * (whenever an exception arose or not) should be placed into the optionnal * CLEANUP_BLOCK. The code dealing with the exceptions when they arise should * be placed into the (mandatory) CATCH_BLOCK. * @@ -250,41 +252,35 @@ __ex_mctx_struct} __ex_mctx_t; /** @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 */ - cancel_error, /**< an action was canceled */ - thread_error, /**< error while [un]locking */ - host_error, /**< host failed */ - tracing_error, /**< error during the simulation tracing */ - io_error /**< disk or file error */ + 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 */ + cancel_error, /**< an action was canceled */ + thread_error, /**< error while [un]locking */ + host_error, /**< host failed */ + tracing_error, /**< error during the simulation tracing */ + io_error, /**< disk or file error */ + vm_error /**< vm error */ } xbt_errcat_t; XBT_PUBLIC(const char *) xbt_ex_catname(xbt_errcat_t cat); /** @brief Structure describing an exception */ typedef struct { - char *msg; /**< human readable message */ - xbt_errcat_t category; - /**< category like HTTP (what went wrong) */ - int value; /**< like errno (why did it went wrong) */ + char *msg; /**< human readable message */ + xbt_errcat_t category; /**< category like HTTP (what went wrong) */ + int value; /**< like errno (why did it went wrong) */ /* throw point */ - short int remote; - /**< whether it was raised remotely */ - 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 */ - int pid; /**< PID of the process who thrown this */ - char *file; /**< Thrown point */ - int line; /**< Thrown point */ - char *func; /**< Thrown point */ + char *procname; /**< Name 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 */ /* Backtrace */ int used; char **bt_strings; /* only filed on display (or before the network propagation) */ @@ -297,14 +293,14 @@ typedef struct { */ typedef struct { __ex_mctx_t *ctx_mctx; /* permanent machine context of enclosing try/catch */ - volatile int ctx_caught; /* temporary flag whether exception was caught */ + int ctx_caught; /* temporary flag whether exception was caught */ volatile xbt_ex_t exception; /* temporary exception storage */ } xbt_running_ctx_t; /* the static and dynamic initializers for a context structure */ -#define XBT_RUNNING_CTX_INITIALIZER \ - { NULL, 0, { /* content */ NULL, unknown_error, 0, \ - /* throw point*/ 0,NULL, NULL,0, NULL, 0, NULL,\ +#define XBT_RUNNING_CTX_INITIALIZER \ + { NULL, 0, { /* content */ NULL, unknown_error, 0, \ + /* throw point*/ NULL, 0, NULL, 0, NULL, \ /* backtrace */ 0, NULL, /* bt[] */ } } XBT_PUBLIC_DATA(const xbt_running_ctx_t) __xbt_ex_ctx_initializer; @@ -426,8 +422,6 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e); _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__; \ @@ -456,11 +450,7 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e); #define THROW_UNIMPLEMENTED \ THROWF(unknown_error, 0, "Function %s unimplemented",_XBT_FUNCTION) -#ifndef NDEBUG -# define DIE_IMPOSSIBLE xbt_assert(0,"The Impossible Did Happen (yet again)") -#else -# define DIE_IMPOSSIBLE exit(1); -#endif +#define DIE_IMPOSSIBLE xbt_die("The Impossible Did Happen (yet again)") /** @brief re-throwing of an already caught exception (ie, pass it to the upper catch block) * @hideinitializer @@ -481,15 +471,19 @@ XBT_PUBLIC( void )__xbt_ex_terminate_default(xbt_ex_t * e); /** @brief Exception destructor */ XBT_PUBLIC(void) xbt_ex_free(xbt_ex_t e); +/** @brief The display made by an exception that is not catched */ +XBT_PUBLIC(void) xbt_ex_display(xbt_ex_t * e); /** @brief Shows a backtrace of the current location */ XBT_PUBLIC(void) xbt_backtrace_display_current(void); /** @brief reimplementation of glibc backtrace based directly on gcc library, without implicit malloc */ -XBT_PUBLIC(int)xbt_backtrace_no_malloc(void**bt, int size); +XBT_PUBLIC(int) xbt_backtrace_no_malloc(void**bt, int size); /** @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); +/** @brief Get current backtrace with libunwind */ +XBT_PUBLIC(int) xbt_libunwind_backtrace(void *bt[XBT_BACKTRACE_SIZE], int size); #ifdef XBT_USE_DEPRECATED