From fcdc4ad0bf5ef3661e6cb1fa7abd487efb23e46c Mon Sep 17 00:00:00 2001 From: Corey Farrell Date: Sun, 13 Jul 2014 21:57:00 +0000 Subject: astobj2: work around REF_DEBUG race which causes out of order log entries * Update refcounter.py to use delta's to track the current reference count. * Use result from internal_ao2_ref to write old_refcount to refs_log. Review: https://reviewboard.asterisk.org/r/3756/ ........ Merged revisions 418504 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 418505 from http://svn.asterisk.org/svn/asterisk/branches/11 ........ Merged revisions 418506 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@418507 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- main/astobj2.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'main/astobj2.c') diff --git a/main/astobj2.c b/main/astobj2.c index 96b0cdbe5..d2592ecb5 100644 --- a/main/astobj2.c +++ b/main/astobj2.c @@ -498,14 +498,19 @@ static int internal_ao2_ref(void *user_data, int delta, const char *file, int li int __ao2_ref_debug(void *user_data, int delta, const char *tag, const char *file, int line, const char *func) { struct astobj2 *obj = INTERNAL_OBJ(user_data); + int old_refcount = -1; + + if (obj) { + old_refcount = internal_ao2_ref(user_data, delta, file, line, func); + } if (ref_log && user_data) { - if (obj && obj->priv_data.ref_counter + delta == 0) { + if (obj && old_refcount + delta == 0) { fprintf(ref_log, "%p,%d,%d,%s,%d,%s,**destructor**,%s\n", user_data, delta, ast_get_tid(), file, line, func, tag); fflush(ref_log); } else if (delta != 0) { fprintf(ref_log, "%p,%s%d,%d,%s,%d,%s,%d,%s\n", user_data, (delta < 0 ? "" : "+"), - delta, ast_get_tid(), file, line, func, obj ? obj->priv_data.ref_counter : -1, tag); + delta, ast_get_tid(), file, line, func, old_refcount, tag); fflush(ref_log); } } @@ -513,10 +518,9 @@ int __ao2_ref_debug(void *user_data, int delta, const char *tag, const char *fil if (obj == NULL) { ast_log_backtrace(); ast_assert(0); - return -1; } - return internal_ao2_ref(user_data, delta, file, line, func); + return old_refcount; } int __ao2_ref(void *user_data, int delta) -- cgit v1.2.3