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Diffstat (limited to 'src/deps_log.h')
| -rw-r--r-- | src/deps_log.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/deps_log.h b/src/deps_log.h index de0fe63..babf828 100644 --- a/src/deps_log.h +++ b/src/deps_log.h @@ -50,9 +50,12 @@ struct State; /// A dependency list maps an output id to a list of input ids. /// /// Concretely, a record is: -/// two bytes record length, high bit indicates record type -/// (implies max record length 32k) -/// path records contain just the string name of the path +/// four bytes record length, high bit indicates record type +/// (but max record sizes are capped at 512kB) +/// path records contain the string name of the path, followed by up to 3 +/// padding bytes to align on 4 byte boundaries, followed by the +/// one's complement of the expected index of the record (to detect +/// concurrent writes of multiple ninja processes to the log). /// dependency records are an array of 4-byte integers /// [output path id, output path mtime, input path id, input path id...] /// (The mtime is compared against the on-disk output path mtime |