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-rw-r--r--tools/perf/util/run-command.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/tools/perf/util/run-command.c b/tools/perf/util/run-command.c
index 2b615acf94d7..da8e9b285f51 100644
--- a/tools/perf/util/run-command.c
+++ b/tools/perf/util/run-command.c
@@ -212,93 +212,3 @@ int run_command_v_opt(const char **argv, int opt)
212 prepare_run_command_v_opt(&cmd, argv, opt); 212 prepare_run_command_v_opt(&cmd, argv, opt);
213 return run_command(&cmd); 213 return run_command(&cmd);
214} 214}
215
216int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env)
217{
218 struct child_process cmd;
219 prepare_run_command_v_opt(&cmd, argv, opt);
220 cmd.dir = dir;
221 cmd.env = env;
222 return run_command(&cmd);
223}
224
225int start_async(struct async *async)
226{
227 int pipe_out[2];
228
229 if (pipe(pipe_out) < 0)
230 return error("cannot create pipe: %s", strerror(errno));
231 async->out = pipe_out[0];
232
233 /* Flush stdio before fork() to avoid cloning buffers */
234 fflush(NULL);
235
236 async->pid = fork();
237 if (async->pid < 0) {
238 error("fork (async) failed: %s", strerror(errno));
239 close_pair(pipe_out);
240 return -1;
241 }
242 if (!async->pid) {
243 close(pipe_out[0]);
244 exit(!!async->proc(pipe_out[1], async->data));
245 }
246 close(pipe_out[1]);
247
248 return 0;
249}
250
251int finish_async(struct async *async)
252{
253 int ret = 0;
254
255 if (wait_or_whine(async->pid))
256 ret = error("waitpid (async) failed");
257
258 return ret;
259}
260
261int run_hook(const char *index_file, const char *name, ...)
262{
263 struct child_process hook;
264 const char **argv = NULL, *env[2];
265 char idx[PATH_MAX];
266 va_list args;
267 int ret;
268 size_t i = 0, alloc = 0;
269
270 if (access(perf_path("hooks/%s", name), X_OK) < 0)
271 return 0;
272
273 va_start(args, name);
274 ALLOC_GROW(argv, i + 1, alloc);
275 argv[i++] = perf_path("hooks/%s", name);
276 while (argv[i-1]) {
277 ALLOC_GROW(argv, i + 1, alloc);
278 argv[i++] = va_arg(args, const char *);
279 }
280 va_end(args);
281
282 memset(&hook, 0, sizeof(hook));
283 hook.argv = argv;
284 hook.no_stdin = 1;
285 hook.stdout_to_stderr = 1;
286 if (index_file) {
287 snprintf(idx, sizeof(idx), "PERF_INDEX_FILE=%s", index_file);
288 env[0] = idx;
289 env[1] = NULL;
290 hook.env = env;
291 }
292
293 ret = start_command(&hook);
294 free(argv);
295 if (ret) {
296 warning("Could not spawn %s", argv[0]);
297 return ret;
298 }
299 ret = finish_command(&hook);
300 if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL)
301 warning("%s exited due to uncaught signal", argv[0]);
302
303 return ret;
304}