Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 1 | // Copyright 2016 Google Inc. All rights reserved |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #include "regen.h" |
| 16 | |
| 17 | #include <sys/stat.h> |
| 18 | |
| 19 | #include <algorithm> |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 20 | #include <memory> |
Shinichiro Hamaji | 8380fb8 | 2016-02-26 16:51:50 +0900 | [diff] [blame] | 21 | #include <mutex> |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 22 | #include <vector> |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 23 | |
| 24 | #include "fileutil.h" |
| 25 | #include "find.h" |
| 26 | #include "io.h" |
| 27 | #include "log.h" |
| 28 | #include "ninja.h" |
| 29 | #include "stats.h" |
| 30 | #include "strutil.h" |
Shinichiro Hamaji | 702befc | 2016-01-27 17:21:39 +0900 | [diff] [blame] | 31 | #include "thread_pool.h" |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 32 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 33 | namespace { |
| 34 | |
| 35 | #define RETURN_TRUE do { \ |
| 36 | if (g_flags.dump_kati_stamp) \ |
| 37 | needs_regen_ = true; \ |
| 38 | else \ |
| 39 | return true; \ |
| 40 | } while (0) |
| 41 | |
| 42 | bool ShouldIgnoreDirty(StringPiece s) { |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 43 | Pattern pat(g_flags.ignore_dirty_pattern); |
| 44 | Pattern nopat(g_flags.no_ignore_dirty_pattern); |
| 45 | return pat.Match(s) && !nopat.Match(s); |
| 46 | } |
| 47 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 48 | class StampChecker { |
| 49 | struct GlobResult { |
| 50 | string pat; |
| 51 | vector<string> result; |
| 52 | }; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 53 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 54 | struct ShellResult { |
Stefan Becker | d4f2871 | 2016-04-07 13:29:36 +0300 | [diff] [blame] | 55 | string shell; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 56 | string cmd; |
| 57 | string result; |
| 58 | vector<string> missing_dirs; |
| 59 | vector<string> read_dirs; |
| 60 | bool has_condition; |
| 61 | }; |
| 62 | |
| 63 | public: |
| 64 | StampChecker() |
| 65 | : needs_regen_(false) { |
| 66 | } |
| 67 | |
| 68 | ~StampChecker() { |
| 69 | for (GlobResult* gr : globs_) { |
| 70 | delete gr; |
| 71 | } |
| 72 | for (ShellResult* sr : commands_) { |
| 73 | delete sr; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | bool NeedsRegen(double start_time, const string& orig_args) { |
| 78 | if (IsMissingOutputs()) |
| 79 | RETURN_TRUE; |
| 80 | |
| 81 | if (CheckStep1(orig_args)) |
| 82 | RETURN_TRUE; |
| 83 | |
| 84 | if (CheckStep2()) |
| 85 | RETURN_TRUE; |
| 86 | |
| 87 | if (!needs_regen_) { |
| 88 | FILE* fp = fopen(GetNinjaStampFilename().c_str(), "rb+"); |
| 89 | if (!fp) |
| 90 | return true; |
| 91 | ScopedFile sfp(fp); |
| 92 | if (fseek(fp, 0, SEEK_SET) < 0) |
| 93 | PERROR("fseek"); |
| 94 | size_t r = fwrite(&start_time, sizeof(start_time), 1, fp); |
| 95 | CHECK(r == 1); |
| 96 | } |
| 97 | return needs_regen_; |
| 98 | } |
| 99 | |
| 100 | private: |
| 101 | bool IsMissingOutputs() { |
| 102 | if (!Exists(GetNinjaFilename())) { |
| 103 | fprintf(stderr, "%s is missing, regenerating...\n", |
| 104 | GetNinjaFilename().c_str()); |
| 105 | return true; |
| 106 | } |
| 107 | if (!Exists(GetNinjaShellScriptFilename())) { |
| 108 | fprintf(stderr, "%s is missing, regenerating...\n", |
| 109 | GetNinjaShellScriptFilename().c_str()); |
| 110 | return true; |
| 111 | } |
| 112 | return false; |
| 113 | } |
| 114 | |
| 115 | bool CheckStep1(const string& orig_args) { |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 116 | #define LOAD_INT(fp) ({ \ |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 117 | int v = LoadInt(fp); \ |
| 118 | if (v < 0) { \ |
| 119 | fprintf(stderr, "incomplete kati_stamp, regenerating...\n"); \ |
| 120 | RETURN_TRUE; \ |
| 121 | } \ |
| 122 | v; \ |
| 123 | }) |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 124 | |
| 125 | #define LOAD_STRING(fp, s) ({ \ |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 126 | if (!LoadString(fp, s)) { \ |
| 127 | fprintf(stderr, "incomplete kati_stamp, regenerating...\n"); \ |
| 128 | RETURN_TRUE; \ |
| 129 | } \ |
| 130 | }) |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 131 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 132 | const string& stamp_filename = GetNinjaStampFilename(); |
| 133 | FILE* fp = fopen(stamp_filename.c_str(), "rb"); |
| 134 | if (!fp) { |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame^] | 135 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 136 | printf("%s: %s\n", stamp_filename.c_str(), strerror(errno)); |
| 137 | return true; |
| 138 | } |
| 139 | ScopedFile sfp(fp); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 140 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 141 | double gen_time; |
| 142 | size_t r = fread(&gen_time, sizeof(gen_time), 1, fp); |
| 143 | gen_time_ = gen_time; |
| 144 | if (r != 1) { |
| 145 | fprintf(stderr, "incomplete kati_stamp, regenerating...\n"); |
| 146 | RETURN_TRUE; |
| 147 | } |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame^] | 148 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 149 | printf("Generated time: %f\n", gen_time); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 150 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 151 | string s, s2; |
| 152 | int num_files = LOAD_INT(fp); |
| 153 | for (int i = 0; i < num_files; i++) { |
| 154 | LOAD_STRING(fp, &s); |
| 155 | double ts = GetTimestamp(s); |
| 156 | if (gen_time < ts) { |
| 157 | if (g_flags.regen_ignoring_kati_binary) { |
| 158 | string kati_binary; |
| 159 | GetExecutablePath(&kati_binary); |
| 160 | if (s == kati_binary) { |
| 161 | fprintf(stderr, "%s was modified, ignored.\n", s.c_str()); |
| 162 | continue; |
| 163 | } |
| 164 | } |
| 165 | if (ShouldIgnoreDirty(s)) { |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame^] | 166 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 167 | printf("file %s: ignored (%f)\n", s.c_str(), ts); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 168 | continue; |
| 169 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 170 | if (g_flags.dump_kati_stamp) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 171 | printf("file %s: dirty (%f)\n", s.c_str(), ts); |
| 172 | else |
| 173 | fprintf(stderr, "%s was modified, regenerating...\n", s.c_str()); |
| 174 | RETURN_TRUE; |
| 175 | } else if (g_flags.dump_kati_stamp) { |
| 176 | printf("file %s: clean (%f)\n", s.c_str(), ts); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 177 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 178 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 179 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 180 | int num_undefineds = LOAD_INT(fp); |
| 181 | for (int i = 0; i < num_undefineds; i++) { |
| 182 | LOAD_STRING(fp, &s); |
| 183 | if (getenv(s.c_str())) { |
| 184 | if (g_flags.dump_kati_stamp) { |
| 185 | printf("env %s: dirty (unset => %s)\n", s.c_str(), getenv(s.c_str())); |
| 186 | } else { |
| 187 | fprintf(stderr, "Environment variable %s was set, regenerating...\n", |
| 188 | s.c_str()); |
| 189 | } |
| 190 | RETURN_TRUE; |
| 191 | } else if (g_flags.dump_kati_stamp) { |
| 192 | printf("env %s: clean (unset)\n", s.c_str()); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 193 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 194 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 195 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 196 | int num_envs = LOAD_INT(fp); |
| 197 | for (int i = 0; i < num_envs; i++) { |
| 198 | LOAD_STRING(fp, &s); |
| 199 | StringPiece val(getenv(s.c_str())); |
| 200 | LOAD_STRING(fp, &s2); |
| 201 | if (val != s2) { |
| 202 | if (g_flags.dump_kati_stamp) { |
| 203 | printf("env %s: dirty (%s => %.*s)\n", |
| 204 | s.c_str(), s2.c_str(), SPF(val)); |
| 205 | } else { |
| 206 | fprintf(stderr, "Environment variable %s was modified (%s => %.*s), " |
| 207 | "regenerating...\n", |
| 208 | s.c_str(), s2.c_str(), SPF(val)); |
| 209 | } |
| 210 | RETURN_TRUE; |
| 211 | } else if (g_flags.dump_kati_stamp) { |
| 212 | printf("env %s: clean (%.*s)\n", s.c_str(), SPF(val)); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 213 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 214 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 215 | |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 216 | int num_globs = LOAD_INT(fp); |
| 217 | string pat; |
| 218 | for (int i = 0; i < num_globs; i++) { |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 219 | GlobResult* gr = new GlobResult; |
| 220 | globs_.push_back(gr); |
| 221 | |
| 222 | LOAD_STRING(fp, &gr->pat); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 223 | int num_files = LOAD_INT(fp); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 224 | gr->result.resize(num_files); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 225 | for (int j = 0; j < num_files; j++) { |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 226 | LOAD_STRING(fp, &gr->result[j]); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 227 | } |
| 228 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 229 | |
| 230 | int num_crs = LOAD_INT(fp); |
| 231 | for (int i = 0; i < num_crs; i++) { |
| 232 | ShellResult* sr = new ShellResult; |
| 233 | commands_.push_back(sr); |
Stefan Becker | d4f2871 | 2016-04-07 13:29:36 +0300 | [diff] [blame] | 234 | LOAD_STRING(fp, &sr->shell); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 235 | LOAD_STRING(fp, &sr->cmd); |
| 236 | LOAD_STRING(fp, &sr->result); |
| 237 | sr->has_condition = LOAD_INT(fp); |
| 238 | if (!sr->has_condition) |
| 239 | continue; |
| 240 | |
| 241 | int num_missing_dirs = LOAD_INT(fp); |
| 242 | for (int j = 0; j < num_missing_dirs; j++) { |
| 243 | LOAD_STRING(fp, &s); |
| 244 | sr->missing_dirs.push_back(s); |
| 245 | } |
| 246 | int num_read_dirs = LOAD_INT(fp); |
| 247 | for (int j = 0; j < num_read_dirs; j++) { |
| 248 | LOAD_STRING(fp, &s); |
| 249 | sr->read_dirs.push_back(s); |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | LoadString(fp, &s); |
| 254 | if (orig_args != s) { |
| 255 | fprintf(stderr, "arguments changed, regenerating...\n"); |
| 256 | RETURN_TRUE; |
| 257 | } |
| 258 | |
| 259 | return needs_regen_; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 260 | } |
| 261 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 262 | bool CheckGlobResult(const GlobResult* gr, string* err) { |
| 263 | COLLECT_STATS("glob time (regen)"); |
| 264 | vector<string>* files; |
| 265 | Glob(gr->pat.c_str(), &files); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 266 | bool needs_regen = files->size() != gr->result.size(); |
| 267 | for (size_t i = 0; i < gr->result.size(); i++) { |
| 268 | if (!needs_regen) { |
| 269 | if ((*files)[i] != gr->result[i]) { |
| 270 | needs_regen = true; |
| 271 | break; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 272 | } |
| 273 | } |
| 274 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 275 | if (needs_regen) { |
| 276 | if (ShouldIgnoreDirty(gr->pat)) { |
| 277 | if (g_flags.dump_kati_stamp) { |
| 278 | printf("wildcard %s: ignored\n", gr->pat.c_str()); |
| 279 | } |
| 280 | return false; |
| 281 | } |
| 282 | if (g_flags.dump_kati_stamp) { |
| 283 | printf("wildcard %s: dirty\n", gr->pat.c_str()); |
| 284 | } else { |
| 285 | *err = StringPrintf("wildcard(%s) was changed, regenerating...\n", |
| 286 | gr->pat.c_str()); |
| 287 | } |
| 288 | } else if (g_flags.dump_kati_stamp) { |
| 289 | printf("wildcard %s: clean\n", gr->pat.c_str()); |
| 290 | } |
| 291 | return needs_regen; |
| 292 | } |
| 293 | |
| 294 | bool ShouldRunCommand(const ShellResult* sr) { |
| 295 | if (!sr->has_condition) |
| 296 | return true; |
| 297 | |
| 298 | COLLECT_STATS("stat time (regen)"); |
| 299 | for (const string& dir : sr->missing_dirs) { |
| 300 | if (Exists(dir)) |
| 301 | return true; |
| 302 | } |
| 303 | for (const string& dir : sr->read_dirs) { |
| 304 | // We assume we rarely do a significant change for the top |
| 305 | // directory which affects the results of find command. |
| 306 | if (dir == "" || dir == "." || ShouldIgnoreDirty(dir)) |
| 307 | continue; |
| 308 | |
| 309 | struct stat st; |
| 310 | if (lstat(dir.c_str(), &st) != 0) { |
| 311 | return true; |
| 312 | } |
| 313 | double ts = GetTimestampFromStat(st); |
| 314 | if (gen_time_ < ts) { |
| 315 | return true; |
| 316 | } |
| 317 | if (S_ISLNK(st.st_mode)) { |
| 318 | ts = GetTimestamp(dir); |
| 319 | if (ts < 0 || gen_time_ < ts) |
| 320 | return true; |
| 321 | } |
| 322 | } |
| 323 | return false; |
| 324 | } |
| 325 | |
| 326 | bool CheckShellResult(const ShellResult* sr, string* err) { |
| 327 | if (!ShouldRunCommand(sr)) { |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame^] | 328 | if (g_flags.regen_debug) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 329 | printf("shell %s: clean (no rerun)\n", sr->cmd.c_str()); |
| 330 | return false; |
| 331 | } |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 332 | |
| 333 | FindCommand fc; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 334 | if (fc.Parse(sr->cmd) && |
| 335 | !fc.chdir.empty() && ShouldIgnoreDirty(fc.chdir)) { |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 336 | if (g_flags.dump_kati_stamp) |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 337 | printf("shell %s: ignored\n", sr->cmd.c_str()); |
| 338 | return false; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 339 | } |
| 340 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 341 | COLLECT_STATS_WITH_SLOW_REPORT("shell time (regen)", sr->cmd.c_str()); |
| 342 | string result; |
Stefan Becker | d4f2871 | 2016-04-07 13:29:36 +0300 | [diff] [blame] | 343 | RunCommand(sr->shell, sr->cmd, RedirectStderr::DEV_NULL, &result); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 344 | FormatForCommandSubstitution(&result); |
| 345 | if (sr->result != result) { |
| 346 | if (g_flags.dump_kati_stamp) { |
| 347 | printf("shell %s: dirty\n", sr->cmd.c_str()); |
| 348 | } else { |
| 349 | *err = StringPrintf("$(shell %s) was changed, regenerating...\n", |
| 350 | sr->cmd.c_str()); |
| 351 | //*err += StringPrintf("%s => %s\n", expected.c_str(), result.c_str()); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 352 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 353 | return true; |
Dan Willemsen | f6486ce | 2016-09-16 19:21:36 -0700 | [diff] [blame^] | 354 | } else if (g_flags.regen_debug) { |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 355 | printf("shell %s: clean (rerun)\n", sr->cmd.c_str()); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 356 | } |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 357 | return false; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 358 | } |
| 359 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 360 | bool CheckStep2() { |
| 361 | unique_ptr<ThreadPool> tp(NewThreadPool(g_flags.num_jobs)); |
| 362 | |
| 363 | tp->Submit([this]() { |
| 364 | string err; |
| 365 | // TODO: Make glob cache thread safe and create a task for each glob. |
| 366 | for (GlobResult* gr : globs_) { |
| 367 | if (CheckGlobResult(gr, &err)) { |
Shinichiro Hamaji | 8380fb8 | 2016-02-26 16:51:50 +0900 | [diff] [blame] | 368 | unique_lock<mutex> lock(mu_); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 369 | if (!needs_regen_) { |
| 370 | needs_regen_ = true; |
| 371 | msg_ = err; |
| 372 | } |
| 373 | break; |
| 374 | } |
| 375 | } |
| 376 | }); |
| 377 | |
| 378 | for (ShellResult* sr : commands_) { |
| 379 | tp->Submit([this, sr]() { |
| 380 | string err; |
| 381 | if (CheckShellResult(sr, &err)) { |
Shinichiro Hamaji | 8380fb8 | 2016-02-26 16:51:50 +0900 | [diff] [blame] | 382 | unique_lock<mutex> lock(mu_); |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 383 | if (!needs_regen_) { |
| 384 | needs_regen_ = true; |
| 385 | msg_ = err; |
| 386 | } |
| 387 | } |
| 388 | }); |
| 389 | } |
| 390 | |
| 391 | tp->Wait(); |
| 392 | if (needs_regen_) { |
| 393 | fprintf(stderr, "%s", msg_.c_str()); |
| 394 | } |
| 395 | return needs_regen_; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 396 | } |
| 397 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 398 | private: |
| 399 | double gen_time_; |
| 400 | vector<GlobResult*> globs_; |
| 401 | vector<ShellResult*> commands_; |
Shinichiro Hamaji | 8380fb8 | 2016-02-26 16:51:50 +0900 | [diff] [blame] | 402 | mutex mu_; |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 403 | bool needs_regen_; |
| 404 | string msg_; |
| 405 | }; |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 406 | |
Shinichiro Hamaji | 6bbf9e2 | 2016-01-19 18:59:13 +0900 | [diff] [blame] | 407 | } // namespace |
| 408 | |
| 409 | bool NeedsRegen(double start_time, const string& orig_args) { |
| 410 | return StampChecker().NeedsRegen(start_time, orig_args); |
Shinichiro Hamaji | 8ef0ce5 | 2016-01-19 18:07:43 +0900 | [diff] [blame] | 411 | } |