From 5fcdcf95cb62ab3d593c36ef90df27cef63874a1 Mon Sep 17 00:00:00 2001 From: Elliott Sales de Andrade Date: Sat, 31 Dec 2016 03:12:51 -0500 Subject: Make TimeStamp 64-bit. This prepares it for higher-resolution timestamps. --- src/build_log.cc | 2 +- src/deps_log.cc | 13 ++++++------- src/deps_log.h | 7 ++++--- src/graph.cc | 8 ++++---- src/ninja.cc | 2 +- src/timestamp.h | 6 +++--- src/util.h | 1 + src/win32port.h | 1 + 8 files changed, 21 insertions(+), 19 deletions(-) diff --git a/src/build_log.cc b/src/build_log.cc index 333915a..a591050 100644 --- a/src/build_log.cc +++ b/src/build_log.cc @@ -353,7 +353,7 @@ BuildLog::LogEntry* BuildLog::LookupByOutput(const string& path) { } bool BuildLog::WriteEntry(FILE* f, const LogEntry& entry) { - return fprintf(f, "%d\t%d\t%d\t%s\t%" PRIx64 "\n", + return fprintf(f, "%d\t%d\t%" PRId64 "\t%s\t%" PRIx64 "\n", entry.start_time, entry.end_time, entry.mtime, entry.output.c_str(), entry.command_hash) > 0; } diff --git a/src/deps_log.cc b/src/deps_log.cc index 89c6023..d7f0b26 100644 --- a/src/deps_log.cc +++ b/src/deps_log.cc @@ -30,7 +30,7 @@ // The version is stored as 4 bytes after the signature and also serves as a // byte order mark. Signature and version combined are 16 bytes long. const char kFileSignature[] = "# ninjadeps\n"; -const int kCurrentVersion = 3; +const int kCurrentVersion = 4; // Record size is currently limited to less than the full 32 bit, due to // internal buffers having to have this size. @@ -124,7 +124,7 @@ bool DepsLog::RecordDeps(Node* node, TimeStamp mtime, return true; // Update on-disk representation. - unsigned size = 4 * (1 + 1 + node_count); + unsigned size = 4 * (1 + 2 + node_count); if (size > kMaxRecordSize) { errno = ERANGE; return false; @@ -135,8 +135,7 @@ bool DepsLog::RecordDeps(Node* node, TimeStamp mtime, int id = node->id(); if (fwrite(&id, 4, 1, file_) < 1) return false; - int timestamp = mtime; - if (fwrite(×tamp, 4, 1, file_) < 1) + if (fwrite(&mtime, 8, 1, file_) < 1) return false; for (int i = 0; i < node_count; ++i) { id = nodes[i]->id(); @@ -218,9 +217,9 @@ bool DepsLog::Load(const string& path, State* state, string* err) { assert(size % 4 == 0); int* deps_data = reinterpret_cast(buf); int out_id = deps_data[0]; - int mtime = deps_data[1]; - deps_data += 2; - int deps_count = (size / 4) - 2; + TimeStamp mtime = reinterpret_cast(&deps_data[1])[0]; + deps_data += 3; + int deps_count = (size / 4) - 3; Deps* deps = new Deps(mtime, deps_count); for (int i = 0; i < deps_count; ++i) { diff --git a/src/deps_log.h b/src/deps_log.h index cec0257..793af07 100644 --- a/src/deps_log.h +++ b/src/deps_log.h @@ -57,7 +57,8 @@ struct State; /// 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...] +/// [output path id, output path mtime (8-byte int), input path id, +/// input path id...] /// (The mtime is compared against the on-disk output path mtime /// to verify the stored data is up-to-date.) /// If two records reference the same output the latter one in the file @@ -75,10 +76,10 @@ struct DepsLog { // Reading (startup-time) interface. struct Deps { - Deps(int mtime, int node_count) + Deps(int64_t mtime, int node_count) : mtime(mtime), node_count(node_count), nodes(new Node*[node_count]) {} ~Deps() { delete [] nodes; } - int mtime; + TimeStamp mtime; int node_count; Node** nodes; }; diff --git a/src/graph.cc b/src/graph.cc index ce4ea77..b41c247 100644 --- a/src/graph.cc +++ b/src/graph.cc @@ -233,7 +233,7 @@ bool DependencyScan::RecomputeOutputDirty(Edge* edge, if (output_mtime < most_recent_input->mtime()) { EXPLAIN("%soutput %s older than most recent input %s " - "(%d vs %d)", + "(%" PRId64 " vs %" PRId64 ")", used_restat ? "restat of " : "", output->path().c_str(), most_recent_input->path().c_str(), output_mtime, most_recent_input->mtime()); @@ -257,7 +257,7 @@ bool DependencyScan::RecomputeOutputDirty(Edge* edge, // mtime of the most recent input. This can occur even when the mtime // on disk is newer if a previous run wrote to the output file but // exited with an error or was interrupted. - EXPLAIN("recorded mtime of %s older than most recent input %s (%d vs %d)", + EXPLAIN("recorded mtime of %s older than most recent input %s (%" PRId64 " vs %" PRId64 ")", output->path().c_str(), most_recent_input->path().c_str(), entry->mtime, most_recent_input->mtime()); return true; @@ -441,7 +441,7 @@ string Node::PathDecanonicalized(const string& path, uint64_t slash_bits) { } void Node::Dump(const char* prefix) const { - printf("%s <%s 0x%p> mtime: %d%s, (:%s), ", + printf("%s <%s 0x%p> mtime: %" PRId64 "%s, (:%s), ", prefix, path().c_str(), this, mtime(), mtime() ? "" : " (:missing)", dirty() ? " dirty" : " clean"); @@ -547,7 +547,7 @@ bool ImplicitDepLoader::LoadDepsFromLog(Edge* edge, string* err) { // Deps are invalid if the output is newer than the deps. if (output->mtime() > deps->mtime) { - EXPLAIN("stored deps info out of date for '%s' (%d vs %d)", + EXPLAIN("stored deps info out of date for '%s' (%" PRId64 " vs %" PRId64 ")", output->path().c_str(), deps->mtime, output->mtime()); return false; } diff --git a/src/ninja.cc b/src/ninja.cc index ed004ac..a9030aa 100644 --- a/src/ninja.cc +++ b/src/ninja.cc @@ -494,7 +494,7 @@ int NinjaMain::ToolDeps(const Options* options, int argc, char** argv) { TimeStamp mtime = disk_interface.Stat((*it)->path(), &err); if (mtime == -1) Error("%s", err.c_str()); // Log and ignore Stat() errors; - printf("%s: #deps %d, deps mtime %d (%s)\n", + printf("%s: #deps %d, deps mtime %" PRId64 " (%s)\n", (*it)->path().c_str(), deps->node_count, deps->mtime, (!mtime || mtime > deps->mtime ? "STALE":"VALID")); for (int i = 0; i < deps->node_count; ++i) diff --git a/src/timestamp.h b/src/timestamp.h index cee7ba8..58ae148 100644 --- a/src/timestamp.h +++ b/src/timestamp.h @@ -17,8 +17,8 @@ // When considering file modification times we only care to compare // them against one another -- we never convert them to an absolute -// real time. On POSIX we use time_t (seconds since epoch) and on -// Windows we use a different value. Both fit in an int. -typedef int TimeStamp; +// real time. On POSIX we use timespec (seconds&nanoseconds since epoch) +// and on Windows we use a different value. Both fit in an int64. +typedef int64_t TimeStamp; #endif // NINJA_TIMESTAMP_H_ diff --git a/src/util.h b/src/util.h index 4ee41a5..a8493d6 100644 --- a/src/util.h +++ b/src/util.h @@ -18,6 +18,7 @@ #ifdef _WIN32 #include "win32port.h" #else +#include #include #endif diff --git a/src/win32port.h b/src/win32port.h index ce3c949..5464797 100644 --- a/src/win32port.h +++ b/src/win32port.h @@ -23,6 +23,7 @@ typedef unsigned long long uint64_t; // printf format specifier for uint64_t, from C99. #ifndef PRIu64 +#define PRId64 "I64d" #define PRIu64 "I64u" #define PRIx64 "I64x" #endif -- cgit v0.12