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astobj2.c: Add excessive ref count trap.

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Change-Id: I32e6a589cf9009450e4ff7cb85c07c9d9ef7fe4a
This commit is contained in:
Richard Mudgett
2017-01-10 17:37:38 -06:00
parent f517c015e2
commit 930a24a730
1 changed files with 14 additions and 0 deletions
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14
main/astobj2.c
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@@ -524,6 +524,20 @@ int __ao2_ref(void *user_data, int delta,
if (0 < current_value) { if (0 < current_value) {
/* The object still lives. */ /* The object still lives. */
#define EXCESSIVE_REF_COUNT 100000
if (EXCESSIVE_REF_COUNT <= current_value && ret < EXCESSIVE_REF_COUNT) {
char excessive_ref_buf[100];
/* We just reached or went over the excessive ref count trigger */
snprintf(excessive_ref_buf, sizeof(excessive_ref_buf),
"Excessive refcount %d reached on ao2 object %p",
current_value, user_data);
ast_log(__LOG_ERROR, file, line, func, "%s\n", excessive_ref_buf);
__ast_assert_failed(0, excessive_ref_buf, file, line, func);
}
if (ref_log && tag) { if (ref_log && tag) {
fprintf(ref_log, "%p,%s%d,%d,%s,%d,%s,%d,%s\n", user_data, fprintf(ref_log, "%p,%s%d,%d,%s,%d,%s,%d,%s\n", user_data,
(delta < 0 ? "" : "+"), delta, ast_get_tid(), (delta < 0 ? "" : "+"), delta, ast_get_tid(),