diff options
| -rw-r--r-- | libbuild2/context.ixx | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbuild2/context.ixx b/libbuild2/context.ixx index 46fe4f7..73601d4 100644 --- a/libbuild2/context.ixx +++ b/libbuild2/context.ixx @@ -56,8 +56,12 @@ namespace build2 inline void wait_guard:: wait () { - phase_unlock u (*ctx, phase); - ctx->sched.wait (start_count, *task_count); + if (task_count->load (memory_order_acquire) > start_count) + { + phase_unlock u (*ctx, phase); + ctx->sched.wait (start_count, *task_count); + } + task_count = nullptr; } } |