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Diffstat (limited to 'contrib/sendmail/include/sm/exc.h')
| -rw-r--r-- | contrib/sendmail/include/sm/exc.h | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/contrib/sendmail/include/sm/exc.h b/contrib/sendmail/include/sm/exc.h deleted file mode 100644 index afcb125..0000000 --- a/contrib/sendmail/include/sm/exc.h +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. - * All rights reserved. - * - * By using this file, you agree to the terms and conditions set - * forth in the LICENSE file which can be found at the top level of - * the sendmail distribution. - * - * $Id: exc.h,v 1.23 2001/06/07 20:04:53 ca Exp $ - */ - -/* -** libsm exception handling -** See libsm/exc.html for documentation. -*/ - -#ifndef SM_EXC_H -# define SM_EXC_H - -#include <sm/setjmp.h> -#include <sm/io.h> -#include <sm/gen.h> -#include <sm/assert.h> - -typedef struct sm_exc SM_EXC_T; -typedef struct sm_exc_type SM_EXC_TYPE_T; -typedef union sm_val SM_VAL_T; - -/* -** Exception types -*/ - -extern const char SmExcTypeMagic[]; - -struct sm_exc_type -{ - const char *sm_magic; - const char *etype_category; - const char *etype_argformat; - void (*etype_print) __P((SM_EXC_T *, SM_FILE_T *)); - const char *etype_printcontext; -}; - -extern const SM_EXC_TYPE_T SmEtypeOs; -extern const SM_EXC_TYPE_T SmEtypeErr; - -extern void -sm_etype_printf __P(( - SM_EXC_T *_exc, - SM_FILE_T *_stream)); - -/* -** Exception objects -*/ - -extern const char SmExcMagic[]; - -union sm_val -{ - int v_int; - long v_long; - char *v_str; - SM_EXC_T *v_exc; -}; - -struct sm_exc -{ - const char *sm_magic; - size_t exc_refcount; - const SM_EXC_TYPE_T *exc_type; - SM_VAL_T *exc_argv; -}; - -# define SM_EXC_INITIALIZER(type, argv) \ - { \ - SmExcMagic, \ - 0, \ - type, \ - argv, \ - } - -extern SM_EXC_T * -sm_exc_new_x __P(( - const SM_EXC_TYPE_T *_type, - ...)); - -extern SM_EXC_T * -sm_exc_addref __P(( - SM_EXC_T *_exc)); - -extern void -sm_exc_free __P(( - SM_EXC_T *_exc)); - -extern bool -sm_exc_match __P(( - SM_EXC_T *_exc, - const char *_pattern)); - -extern void -sm_exc_write __P(( - SM_EXC_T *_exc, - SM_FILE_T *_stream)); - -extern void -sm_exc_print __P(( - SM_EXC_T *_exc, - SM_FILE_T *_stream)); - -extern SM_DEAD(void -sm_exc_raise_x __P(( - SM_EXC_T *_exc))); - -extern SM_DEAD(void -sm_exc_raisenew_x __P(( - const SM_EXC_TYPE_T *_type, - ...))); - -/* -** Exception handling -*/ - -typedef void (*SM_EXC_DEFAULT_HANDLER_T) __P((SM_EXC_T *)); - -extern void -sm_exc_newthread __P(( - SM_EXC_DEFAULT_HANDLER_T _handle)); - -typedef struct sm_exc_handler SM_EXC_HANDLER_T; -struct sm_exc_handler -{ - SM_EXC_T *eh_value; - SM_JMPBUF_T eh_context; - SM_EXC_HANDLER_T *eh_parent; - int eh_state; -}; - -/* values for eh_state */ -enum -{ - SM_EH_PUSHED = 2, - SM_EH_POPPED = 0, - SM_EH_HANDLED = 1 -}; - -extern SM_EXC_HANDLER_T *SmExcHandler; - -# define SM_TRY { SM_EXC_HANDLER_T _h; \ - do { \ - _h.eh_value = NULL; \ - _h.eh_parent = SmExcHandler; \ - _h.eh_state = SM_EH_PUSHED; \ - SmExcHandler = &_h; \ - if (sm_setjmp_nosig(_h.eh_context) == 0) { - -# define SM_FINALLY SM_ASSERT(SmExcHandler == &_h); \ - } \ - if (sm_setjmp_nosig(_h.eh_context) == 0) { - -# define SM_EXCEPT(e,pat) } \ - if (_h.eh_state == SM_EH_HANDLED) \ - break; \ - if (_h.eh_state == SM_EH_PUSHED) { \ - SM_ASSERT(SmExcHandler == &_h); \ - SmExcHandler = _h.eh_parent; \ - } \ - _h.eh_state = sm_exc_match(_h.eh_value,pat) \ - ? SM_EH_HANDLED : SM_EH_POPPED; \ - if (_h.eh_state == SM_EH_HANDLED) { \ - SM_UNUSED(SM_EXC_T *e) = _h.eh_value; - -# define SM_END_TRY } \ - } while (0); \ - if (_h.eh_state == SM_EH_PUSHED) { \ - SM_ASSERT(SmExcHandler == &_h); \ - SmExcHandler = _h.eh_parent; \ - if (_h.eh_value != NULL) \ - sm_exc_raise_x(_h.eh_value); \ - } else if (_h.eh_state == SM_EH_POPPED) { \ - if (_h.eh_value != NULL) \ - sm_exc_raise_x(_h.eh_value); \ - } else \ - sm_exc_free(_h.eh_value); \ - } - -#endif /* SM_EXC_H */ |
