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minor fix for deadlock detection, but I hope nobody has to use it :) (bug #3531)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@5025 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2005-02-13 23:43:58 +00:00
parent d35a82a5b6
commit 5ef097f5d7
1 changed files with 6 additions and 4 deletions
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8
include/asterisk/lock.h
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@@ -192,13 +192,15 @@ static inline int __ast_pthread_mutex_lock(char *filename, int lineno, char *fun
#endif /* definded(AST_MUTEX_INIT_W_CONSTRUCTORS) || defined(AST_MUTEX_INIT_ON_FIRST_USE) */ #endif /* definded(AST_MUTEX_INIT_W_CONSTRUCTORS) || defined(AST_MUTEX_INIT_ON_FIRST_USE) */
#ifdef DETECT_DEADLOCKS #ifdef DETECT_DEADLOCKS
{ {
time_t seconds seconds = time(NULL); time_t seconds = time(NULL);
time_t current;
do { do {
res = pthread_mutex_trylock(&t->mutex); res = pthread_mutex_trylock(&t->mutex);
if (res == EBUSY) { if (res == EBUSY) {
if ((time(NULL) - seconds) % 5) { current = time(NULL);
if ((current - seconds) && (!((current - seconds) % 5))) {
fprintf(stderr, "%s line %d (%s): Deadlock? waited %d sec for mutex '%s'?\n", fprintf(stderr, "%s line %d (%s): Deadlock? waited %d sec for mutex '%s'?\n",
filename, lineno, func, (time(NULL) - seconds), mutex_name); filename, lineno, func, (int)(current - seconds), mutex_name);
fprintf(stderr, "%s line %d (%s): '%s' was locked here.\n", fprintf(stderr, "%s line %d (%s): '%s' was locked here.\n",
t->file, t->lineno, t->func, mutex_name); t->file, t->lineno, t->func, mutex_name);
} }