diff options
Diffstat (limited to 'src/Cache.zig')
| -rw-r--r-- | src/Cache.zig | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/Cache.zig b/src/Cache.zig index 37cd7a7529..0d4b51492d 100644 --- a/src/Cache.zig +++ b/src/Cache.zig @@ -762,7 +762,11 @@ pub const Manifest = struct { fn downgradeToSharedLock(self: *Manifest) !void { if (!self.have_exclusive_lock) return; - if (std.process.can_spawn or !builtin.single_threaded) { // Some targets (WASI) do not support flock + + // WASI does not currently support flock, so we bypass it here. + // TODO: If/when flock is supported on WASI, this check should be removed. + // See https://github.com/WebAssembly/wasi-filesystem/issues/2 + if (builtin.os.tag != .wasi or std.process.can_spawn or !builtin.single_threaded) { const manifest_file = self.manifest_file.?; try manifest_file.downgradeLock(); } @@ -771,7 +775,11 @@ pub const Manifest = struct { fn upgradeToExclusiveLock(self: *Manifest) !void { if (self.have_exclusive_lock) return; - if (std.process.can_spawn or !builtin.single_threaded) { // Some targets (WASI) do not support flock + + // WASI does not currently support flock, so we bypass it here. + // TODO: If/when flock is supported on WASI, this check should be removed. + // See https://github.com/WebAssembly/wasi-filesystem/issues/2 + if (builtin.os.tag != .wasi or std.process.can_spawn or !builtin.single_threaded) { const manifest_file = self.manifest_file.?; // Here we intentionally have a period where the lock is released, in case there are // other processes holding a shared lock. |