diff options
author | Benny Prijono <bennylp@teluu.com> | 2005-11-13 19:40:44 +0000 |
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committer | Benny Prijono <bennylp@teluu.com> | 2005-11-13 19:40:44 +0000 |
commit | a08b589d09d5197f9a76d549a189e4686bd2ca8c (patch) | |
tree | 549904e7680dfab96b3ce579b1843c5d58107100 /pjlib/src/pj/except.c | |
parent | 8df70c6d5fef443506618bf31b686d53fef3f259 (diff) |
Applying license to pjproject
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@49 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjlib/src/pj/except.c')
-rw-r--r-- | pjlib/src/pj/except.c | 291 |
1 files changed, 156 insertions, 135 deletions
diff --git a/pjlib/src/pj/except.c b/pjlib/src/pj/except.c index 84fb93c2..024a4177 100644 --- a/pjlib/src/pj/except.c +++ b/pjlib/src/pj/except.c @@ -1,135 +1,156 @@ -/* $Id$ - */ -#include <pj/except.h> -#include <pj/os.h> -#include <pj/assert.h> -#include <pj/log.h> -#include <pj/errno.h> - -static long thread_local_id = -1; - -#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 */ - - -PJ_DEF(void) pj_throw_exception_(int exception_id) -{ - struct pj_exception_state_t *handler; - - handler = pj_thread_local_get(thread_local_id); - if (handler == NULL) { - PJ_LOG(1,("except.c", "!!!FATAL: unhandled exception %d!\n", exception_id)); - pj_assert(handler != NULL); - /* This will crash the system! */ - } - pj_longjmp(handler->state, exception_id); -} - -PJ_DEF(void) pj_push_exception_handler_(struct pj_exception_state_t *rec) -{ - struct pj_exception_state_t *parent_handler = NULL; - - if (thread_local_id == -1) { - pj_thread_local_alloc(&thread_local_id); - pj_assert(thread_local_id != -1); - } - parent_handler = pj_thread_local_get(thread_local_id); - rec->prev = parent_handler; - pj_thread_local_set(thread_local_id, rec); -} - -PJ_DEF(void) pj_pop_exception_handler_(void) -{ - struct pj_exception_state_t *handler; - - handler = pj_thread_local_get(thread_local_id); - pj_assert(handler != NULL); - pj_thread_local_set(thread_local_id, handler->prev); -} - -#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 */ - - - +/* $Id$
+ */
+/*
+ * PJLIB - PJ Foundation Library
+ * (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
+ *
+ * Author:
+ * Benny Prijono <bennylp@bulukucing.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; 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>
+
+static long thread_local_id = -1;
+
+#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 */
+
+
+PJ_DEF(void) pj_throw_exception_(int exception_id)
+{
+ struct pj_exception_state_t *handler;
+
+ handler = pj_thread_local_get(thread_local_id);
+ if (handler == NULL) {
+ PJ_LOG(1,("except.c", "!!!FATAL: unhandled exception %d!\n", exception_id));
+ pj_assert(handler != NULL);
+ /* This will crash the system! */
+ }
+ pj_longjmp(handler->state, exception_id);
+}
+
+PJ_DEF(void) pj_push_exception_handler_(struct pj_exception_state_t *rec)
+{
+ struct pj_exception_state_t *parent_handler = NULL;
+
+ if (thread_local_id == -1) {
+ pj_thread_local_alloc(&thread_local_id);
+ pj_assert(thread_local_id != -1);
+ }
+ parent_handler = pj_thread_local_get(thread_local_id);
+ rec->prev = parent_handler;
+ pj_thread_local_set(thread_local_id, rec);
+}
+
+PJ_DEF(void) pj_pop_exception_handler_(void)
+{
+ struct pj_exception_state_t *handler;
+
+ handler = pj_thread_local_get(thread_local_id);
+ pj_assert(handler != NULL);
+ pj_thread_local_set(thread_local_id, handler->prev);
+}
+
+#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 */
+
+
+
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