diff options
Diffstat (limited to 'src/core/support/sync.c')
| -rw-r--r-- | src/core/support/sync.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/core/support/sync.c b/src/core/support/sync.c index ccfe1e25f4..856b5adb86 100644 --- a/src/core/support/sync.c +++ b/src/core/support/sync.c @@ -118,7 +118,9 @@ void gpr_refn(gpr_refcount *r, int n) { } int gpr_unref(gpr_refcount *r) { - return gpr_atm_full_fetch_add(&r->count, -1) == 1; + gpr_atm prior = gpr_atm_full_fetch_add(&r->count, -1); + GPR_ASSERT(prior > 0); + return prior == 1; } void gpr_stats_init(gpr_stats_counter *c, gpr_intptr n) { |