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Locking updates for debug mode, fix SIP MWI (bug #2582)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3918 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-10-06 04:30:16 +00:00
parent e27afd5b74
commit 32126398ef
2 changed files with 20 additions and 9 deletions
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25
include/asterisk/lock.h
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@@ -3,9 +3,9 @@
*
* General Asterisk channel definitions.
*
* Copyright (C) 1999, Mark Spencer
* Copyright (C) 1999-2004, Digium, Inc.
*
* Mark Spencer <markster@linux-support.net>
* Mark Spencer <markster@digium.com>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
@@ -65,6 +65,7 @@ struct ast_mutex_info {
pthread_mutex_t mutex;
char *file;
int lineno;
int reentrancy;
char *func;
pthread_t thread;
};
@@ -91,6 +92,7 @@ static inline int __ast_pthread_mutex_init_attr(char *filename, int lineno, char
t->lineno = lineno;
t->func = func;
t->thread = 0;
t->reentrancy = 0;
return pthread_mutex_init(&t->mutex, attr);
}
@@ -210,6 +212,7 @@ static inline int __ast_pthread_mutex_lock(char *filename, int lineno, char *fun
res = pthread_mutex_lock(&t->mutex);
#endif /* DETECT_DEADLOCKS */
if (!res) {
t->reentrancy++;
t->file = filename;
t->lineno = lineno;
t->func = func;
@@ -241,6 +244,7 @@ static inline int __ast_pthread_mutex_trylock(char *filename, int lineno, char *
#endif /* definded(AST_MUTEX_INIT_W_CONSTRUCTORS) || defined(AST_MUTEX_INIT_ON_FIRST_USE) */
res = pthread_mutex_trylock(&t->mutex);
if (!res) {
t->reentrancy++;
t->file = filename;
t->lineno = lineno;
t->func = func;
@@ -260,11 +264,18 @@ static inline int __ast_pthread_mutex_unlock(char *filename, int lineno, char *f
filename, lineno, func, mutex_name);
}
#endif
/* Assumes lock is actually held */
t->file = NULL;
t->lineno = 0;
t->func = NULL;
t->thread = 0;
--t->reentrancy;
if (t->reentrancy < 0) {
fprintf(stderr, "%s line %d (%s): Freed more times than we've locked!\n",
filename, lineno, func, mutex_name);
t->reentrancy = 0;
}
if (!t->rentrancy) {
t->file = NULL;
t->lineno = 0;
t->func = NULL;
t->thread = 0;
}
res = pthread_mutex_unlock(&t->mutex);
if (res) {
fprintf(stderr, "%s line %d (%s): Error releasing mutex: %s\n",