| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pj/except.h> |
| #include <pj/os.h> |
| #include <pj/assert.h> |
| #include <pj/log.h> |
| #include <pj/errno.h> |
| |
| |
| #if defined(PJ_HAS_EXCEPTION_NAMES) && PJ_HAS_EXCEPTION_NAMES != 0 |
| static const char *exception_id_names[PJ_MAX_EXCEPTION_ID]; |
| #else |
| /* |
| * Start from 1 (not 0)!!! |
| * Exception 0 is reserved for normal path of setjmp()!!! |
| */ |
| static int last_exception_id = 1; |
| #endif /* PJ_HAS_EXCEPTION_NAMES */ |
| |
| |
| #if defined(PJ_HAS_EXCEPTION_NAMES) && PJ_HAS_EXCEPTION_NAMES != 0 |
| PJ_DEF(pj_status_t) pj_exception_id_alloc( const char *name, |
| pj_exception_id_t *id) |
| { |
| unsigned i; |
| |
| pj_enter_critical_section(); |
| |
| /* |
| * Start from 1 (not 0)!!! |
| * Exception 0 is reserved for normal path of setjmp()!!! |
| */ |
| for (i=1; i<PJ_MAX_EXCEPTION_ID; ++i) { |
| if (exception_id_names[i] == NULL) { |
| exception_id_names[i] = name; |
| *id = i; |
| pj_leave_critical_section(); |
| return PJ_SUCCESS; |
| } |
| } |
| |
| pj_leave_critical_section(); |
| return PJ_ETOOMANY; |
| } |
| |
| PJ_DEF(pj_status_t) pj_exception_id_free( pj_exception_id_t id ) |
| { |
| /* |
| * Start from 1 (not 0)!!! |
| * Exception 0 is reserved for normal path of setjmp()!!! |
| */ |
| PJ_ASSERT_RETURN(id>0 && id<PJ_MAX_EXCEPTION_ID, PJ_EINVAL); |
| |
| pj_enter_critical_section(); |
| exception_id_names[id] = NULL; |
| pj_leave_critical_section(); |
| |
| return PJ_SUCCESS; |
| |
| } |
| |
| PJ_DEF(const char*) pj_exception_id_name(pj_exception_id_t id) |
| { |
| /* |
| * Start from 1 (not 0)!!! |
| * Exception 0 is reserved for normal path of setjmp()!!! |
| */ |
| PJ_ASSERT_RETURN(id>0 && id<PJ_MAX_EXCEPTION_ID, "<Invalid ID>"); |
| |
| if (exception_id_names[id] == NULL) |
| return "<Unallocated ID>"; |
| |
| return exception_id_names[id]; |
| } |
| |
| #else /* PJ_HAS_EXCEPTION_NAMES */ |
| PJ_DEF(pj_status_t) pj_exception_id_alloc( const char *name, |
| pj_exception_id_t *id) |
| { |
| PJ_ASSERT_RETURN(last_exception_id < PJ_MAX_EXCEPTION_ID-1, PJ_ETOOMANY); |
| |
| *id = last_exception_id++; |
| return PJ_SUCCESS; |
| } |
| |
| PJ_DEF(pj_status_t) pj_exception_id_free( pj_exception_id_t id ) |
| { |
| return PJ_SUCCESS; |
| } |
| |
| PJ_DEF(const char*) pj_exception_id_name(pj_exception_id_t id) |
| { |
| return ""; |
| } |
| |
| #endif /* PJ_HAS_EXCEPTION_NAMES */ |
| |
| |
| |