zig

commit cb290ed6c99681ade0bace286ae5040546542395 (tree)
parent 3366e4caf3ab3f85cfac9b57b84db4eb9ee0a078
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Sat, 26 Dec 2020 14:02:07 -0700

stage2: Cache deadlock debugging only for safe build modes

Diffstat:
M
src/Cache.zig
 | 
5
++---

1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/src/Cache.zig b/src/Cache.zig
@@ -13,11 +13,10 @@ const fmt = std.fmt;
 const Allocator = std.mem.Allocator;
 
 /// Process-scoped map keeping track of all locked Cache hashes, to detect deadlocks.
-/// The plan is to enable this for debug builds only, but for now we enable
-/// it always to catch a deadlock.
+/// This protection is conditionally compiled depending on `want_debug_deadlock`.
 var all_cache_digest_set: std.AutoHashMapUnmanaged(BinDigest, void) = .{};
 var all_cache_digest_lock: std.Mutex = .{};
-const want_debug_deadlock = true; // TODO change this for release builds
+const want_debug_deadlock = std.debug.runtime_safety;
 const DebugBinDigest = if (want_debug_deadlock) BinDigest else void;
 const null_debug_bin_digest = if (want_debug_deadlock) ([1]u8{0} ** bin_digest_len) else {};