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Commit | Line | Data |
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0b452006 RC |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | Copyright 2013 Thomas H.P. Andersen | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
69281c49 LP |
21 | #include <sched.h> |
22 | #include <sys/mount.h> | |
26fbedd7 | 23 | #include <sys/personality.h> |
69281c49 | 24 | #include <sys/prctl.h> |
0b452006 | 25 | #include <sys/stat.h> |
07630cea | 26 | #include <sys/types.h> |
0b452006 RC |
27 | #include <sys/wait.h> |
28 | #include <unistd.h> | |
349cc4a5 | 29 | #if HAVE_VALGRIND_VALGRIND_H |
b3d69149 EV |
30 | #include <valgrind/valgrind.h> |
31 | #endif | |
0b452006 | 32 | |
b5efdb8a | 33 | #include "alloc-util.h" |
26fbedd7 | 34 | #include "architecture.h" |
69281c49 | 35 | #include "fd-util.h" |
0b452006 | 36 | #include "log.h" |
0b452006 | 37 | #include "macro.h" |
18dade5a | 38 | #include "parse-util.h" |
07630cea | 39 | #include "process-util.h" |
9a140c35 | 40 | #include "stdio-util.h" |
07630cea | 41 | #include "string-util.h" |
288a74cc | 42 | #include "terminal-util.h" |
76c19e9f | 43 | #include "test-helper.h" |
07630cea LP |
44 | #include "util.h" |
45 | #include "virt.h" | |
0b452006 | 46 | |
9a140c35 | 47 | static void test_get_process_comm(pid_t pid) { |
0b452006 | 48 | struct stat st; |
ba19c6e1 | 49 | _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL; |
0b452006 | 50 | _cleanup_free_ char *env = NULL; |
9a140c35 | 51 | char path[strlen("/proc//comm") + DECIMAL_STR_MAX(pid_t)]; |
0b452006 RC |
52 | pid_t e; |
53 | uid_t u; | |
54 | gid_t g; | |
55 | dev_t h; | |
56 | int r; | |
0b452006 | 57 | |
9a140c35 ZJS |
58 | xsprintf(path, "/proc/"PID_FMT"/comm", pid); |
59 | ||
60 | if (stat(path, &st) == 0) { | |
61 | assert_se(get_process_comm(pid, &a) >= 0); | |
62 | log_info("PID"PID_FMT" comm: '%s'", pid, a); | |
cfeaa44a | 63 | } else |
9a140c35 | 64 | log_warning("%s not exist.", path); |
0b452006 | 65 | |
9a140c35 ZJS |
66 | assert_se(get_process_cmdline(pid, 0, true, &c) >= 0); |
67 | log_info("PID"PID_FMT" cmdline: '%s'", pid, c); | |
0b452006 | 68 | |
9a140c35 | 69 | assert_se(get_process_cmdline(pid, 8, false, &d) >= 0); |
69281c49 LP |
70 | log_info("PID"PID_FMT" cmdline truncated to 8: '%s'", pid, d); |
71 | ||
72 | free(d); | |
73 | assert_se(get_process_cmdline(pid, 1, false, &d) >= 0); | |
74 | log_info("PID"PID_FMT" cmdline truncated to 1: '%s'", pid, d); | |
0b452006 | 75 | |
9a140c35 ZJS |
76 | assert_se(get_process_ppid(pid, &e) >= 0); |
77 | log_info("PID"PID_FMT" PPID: "PID_FMT, pid, e); | |
78 | assert_se(pid == 1 ? e == 0 : e > 0); | |
0b452006 | 79 | |
9a140c35 | 80 | assert_se(is_kernel_thread(pid) == 0 || pid != 1); |
0b452006 | 81 | |
9a140c35 | 82 | r = get_process_exe(pid, &f); |
0b452006 | 83 | assert_se(r >= 0 || r == -EACCES); |
9a140c35 | 84 | log_info("PID"PID_FMT" exe: '%s'", pid, strna(f)); |
0b452006 | 85 | |
9a140c35 ZJS |
86 | assert_se(get_process_uid(pid, &u) == 0); |
87 | log_info("PID"PID_FMT" UID: "UID_FMT, pid, u); | |
88 | assert_se(u == 0 || pid != 1); | |
0b452006 | 89 | |
9a140c35 ZJS |
90 | assert_se(get_process_gid(pid, &g) == 0); |
91 | log_info("PID"PID_FMT" GID: "GID_FMT, pid, g); | |
92 | assert_se(g == 0 || pid != 1); | |
0b452006 | 93 | |
9a140c35 | 94 | r = get_process_environ(pid, &env); |
0b452006 | 95 | assert_se(r >= 0 || r == -EACCES); |
9a140c35 | 96 | log_info("PID"PID_FMT" strlen(environ): %zi", pid, env ? (ssize_t)strlen(env) : (ssize_t)-errno); |
0b452006 | 97 | |
75f86906 | 98 | if (!detect_container()) |
9a140c35 | 99 | assert_se(get_ctty_devnr(pid, &h) == -ENXIO || pid != 1); |
0b452006 | 100 | |
9a140c35 ZJS |
101 | getenv_for_pid(pid, "PATH", &i); |
102 | log_info("PID"PID_FMT" $PATH: '%s'", pid, strna(i)); | |
0b452006 RC |
103 | } |
104 | ||
105 | static void test_pid_is_unwaited(void) { | |
106 | pid_t pid; | |
107 | ||
108 | pid = fork(); | |
109 | assert_se(pid >= 0); | |
110 | if (pid == 0) { | |
111 | _exit(EXIT_SUCCESS); | |
112 | } else { | |
113 | int status; | |
114 | ||
115 | waitpid(pid, &status, 0); | |
116 | assert_se(!pid_is_unwaited(pid)); | |
117 | } | |
df0ff127 | 118 | assert_se(pid_is_unwaited(getpid_cached())); |
0b452006 RC |
119 | assert_se(!pid_is_unwaited(-1)); |
120 | } | |
121 | ||
122 | static void test_pid_is_alive(void) { | |
123 | pid_t pid; | |
124 | ||
125 | pid = fork(); | |
126 | assert_se(pid >= 0); | |
127 | if (pid == 0) { | |
128 | _exit(EXIT_SUCCESS); | |
129 | } else { | |
130 | int status; | |
131 | ||
132 | waitpid(pid, &status, 0); | |
133 | assert_se(!pid_is_alive(pid)); | |
134 | } | |
df0ff127 | 135 | assert_se(pid_is_alive(getpid_cached())); |
0b452006 RC |
136 | assert_se(!pid_is_alive(-1)); |
137 | } | |
138 | ||
26fbedd7 LP |
139 | static void test_personality(void) { |
140 | ||
141 | assert_se(personality_to_string(PER_LINUX)); | |
142 | assert_se(!personality_to_string(PERSONALITY_INVALID)); | |
143 | ||
144 | assert_se(streq(personality_to_string(PER_LINUX), architecture_to_string(native_architecture()))); | |
145 | ||
146 | assert_se(personality_from_string(personality_to_string(PER_LINUX)) == PER_LINUX); | |
147 | assert_se(personality_from_string(architecture_to_string(native_architecture())) == PER_LINUX); | |
148 | ||
149 | #ifdef __x86_64__ | |
150 | assert_se(streq_ptr(personality_to_string(PER_LINUX), "x86-64")); | |
151 | assert_se(streq_ptr(personality_to_string(PER_LINUX32), "x86")); | |
152 | ||
153 | assert_se(personality_from_string("x86-64") == PER_LINUX); | |
154 | assert_se(personality_from_string("x86") == PER_LINUX32); | |
155 | assert_se(personality_from_string("ia64") == PERSONALITY_INVALID); | |
156 | assert_se(personality_from_string(NULL) == PERSONALITY_INVALID); | |
157 | ||
158 | assert_se(personality_from_string(personality_to_string(PER_LINUX32)) == PER_LINUX32); | |
159 | #endif | |
160 | } | |
161 | ||
69281c49 LP |
162 | static void test_get_process_cmdline_harder(void) { |
163 | char path[] = "/tmp/test-cmdlineXXXXXX"; | |
164 | _cleanup_close_ int fd = -1; | |
165 | _cleanup_free_ char *line = NULL; | |
166 | pid_t pid; | |
167 | ||
168 | if (geteuid() != 0) | |
169 | return; | |
170 | ||
349cc4a5 | 171 | #if HAVE_VALGRIND_VALGRIND_H |
b3d69149 EV |
172 | /* valgrind patches open(/proc//cmdline) |
173 | * so, test_get_process_cmdline_harder fails always | |
174 | * See https://github.com/systemd/systemd/pull/3555#issuecomment-226564908 */ | |
175 | if (RUNNING_ON_VALGRIND) | |
176 | return; | |
177 | #endif | |
178 | ||
69281c49 LP |
179 | pid = fork(); |
180 | if (pid > 0) { | |
181 | siginfo_t si; | |
182 | ||
183 | (void) wait_for_terminate(pid, &si); | |
184 | ||
185 | assert_se(si.si_code == CLD_EXITED); | |
186 | assert_se(si.si_status == 0); | |
187 | ||
188 | return; | |
189 | } | |
190 | ||
191 | assert_se(pid == 0); | |
192 | assert_se(unshare(CLONE_NEWNS) >= 0); | |
193 | ||
194 | fd = mkostemp(path, O_CLOEXEC); | |
195 | assert_se(fd >= 0); | |
347ebd02 ZJS |
196 | |
197 | if (mount(path, "/proc/self/cmdline", "bind", MS_BIND, NULL) < 0) { | |
198 | /* This happens under selinux… Abort the test in this case. */ | |
199 | log_warning_errno(errno, "mount(..., \"/proc/self/cmdline\", \"bind\", ...) failed: %m"); | |
200 | assert(errno == EACCES); | |
201 | return; | |
202 | } | |
203 | ||
69281c49 LP |
204 | assert_se(unlink(path) >= 0); |
205 | ||
206 | assert_se(prctl(PR_SET_NAME, "testa") >= 0); | |
207 | ||
df0ff127 | 208 | assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) == -ENOENT); |
69281c49 | 209 | |
df0ff127 | 210 | assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0); |
69281c49 LP |
211 | assert_se(streq(line, "[testa]")); |
212 | line = mfree(line); | |
213 | ||
df0ff127 | 214 | assert_se(get_process_cmdline(getpid_cached(), 1, true, &line) >= 0); |
69281c49 LP |
215 | assert_se(streq(line, "")); |
216 | line = mfree(line); | |
217 | ||
df0ff127 | 218 | assert_se(get_process_cmdline(getpid_cached(), 2, true, &line) >= 0); |
69281c49 LP |
219 | assert_se(streq(line, "[")); |
220 | line = mfree(line); | |
221 | ||
df0ff127 | 222 | assert_se(get_process_cmdline(getpid_cached(), 3, true, &line) >= 0); |
69281c49 LP |
223 | assert_se(streq(line, "[.")); |
224 | line = mfree(line); | |
225 | ||
df0ff127 | 226 | assert_se(get_process_cmdline(getpid_cached(), 4, true, &line) >= 0); |
69281c49 LP |
227 | assert_se(streq(line, "[..")); |
228 | line = mfree(line); | |
229 | ||
df0ff127 | 230 | assert_se(get_process_cmdline(getpid_cached(), 5, true, &line) >= 0); |
69281c49 LP |
231 | assert_se(streq(line, "[...")); |
232 | line = mfree(line); | |
233 | ||
df0ff127 | 234 | assert_se(get_process_cmdline(getpid_cached(), 6, true, &line) >= 0); |
69281c49 LP |
235 | assert_se(streq(line, "[...]")); |
236 | line = mfree(line); | |
237 | ||
df0ff127 | 238 | assert_se(get_process_cmdline(getpid_cached(), 7, true, &line) >= 0); |
69281c49 LP |
239 | assert_se(streq(line, "[t...]")); |
240 | line = mfree(line); | |
241 | ||
df0ff127 | 242 | assert_se(get_process_cmdline(getpid_cached(), 8, true, &line) >= 0); |
69281c49 LP |
243 | assert_se(streq(line, "[testa]")); |
244 | line = mfree(line); | |
245 | ||
246 | assert_se(write(fd, "\0\0\0\0\0\0\0\0\0", 10) == 10); | |
247 | ||
df0ff127 | 248 | assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) == -ENOENT); |
69281c49 | 249 | |
df0ff127 | 250 | assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0); |
69281c49 LP |
251 | assert_se(streq(line, "[testa]")); |
252 | line = mfree(line); | |
253 | ||
254 | assert_se(write(fd, "foo\0bar\0\0\0\0\0", 10) == 10); | |
255 | ||
df0ff127 | 256 | assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) >= 0); |
69281c49 LP |
257 | assert_se(streq(line, "foo bar")); |
258 | line = mfree(line); | |
259 | ||
df0ff127 | 260 | assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0); |
69281c49 LP |
261 | assert_se(streq(line, "foo bar")); |
262 | line = mfree(line); | |
263 | ||
264 | assert_se(write(fd, "quux", 4) == 4); | |
df0ff127 | 265 | assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) >= 0); |
69281c49 LP |
266 | assert_se(streq(line, "foo bar quux")); |
267 | line = mfree(line); | |
268 | ||
df0ff127 | 269 | assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0); |
69281c49 LP |
270 | assert_se(streq(line, "foo bar quux")); |
271 | line = mfree(line); | |
272 | ||
df0ff127 | 273 | assert_se(get_process_cmdline(getpid_cached(), 1, true, &line) >= 0); |
69281c49 LP |
274 | assert_se(streq(line, "")); |
275 | line = mfree(line); | |
276 | ||
df0ff127 | 277 | assert_se(get_process_cmdline(getpid_cached(), 2, true, &line) >= 0); |
69281c49 LP |
278 | assert_se(streq(line, ".")); |
279 | line = mfree(line); | |
280 | ||
df0ff127 | 281 | assert_se(get_process_cmdline(getpid_cached(), 3, true, &line) >= 0); |
69281c49 LP |
282 | assert_se(streq(line, "..")); |
283 | line = mfree(line); | |
284 | ||
df0ff127 | 285 | assert_se(get_process_cmdline(getpid_cached(), 4, true, &line) >= 0); |
69281c49 LP |
286 | assert_se(streq(line, "...")); |
287 | line = mfree(line); | |
288 | ||
df0ff127 | 289 | assert_se(get_process_cmdline(getpid_cached(), 5, true, &line) >= 0); |
69281c49 LP |
290 | assert_se(streq(line, "f...")); |
291 | line = mfree(line); | |
292 | ||
df0ff127 | 293 | assert_se(get_process_cmdline(getpid_cached(), 6, true, &line) >= 0); |
69281c49 LP |
294 | assert_se(streq(line, "fo...")); |
295 | line = mfree(line); | |
296 | ||
df0ff127 | 297 | assert_se(get_process_cmdline(getpid_cached(), 7, true, &line) >= 0); |
69281c49 LP |
298 | assert_se(streq(line, "foo...")); |
299 | line = mfree(line); | |
300 | ||
df0ff127 | 301 | assert_se(get_process_cmdline(getpid_cached(), 8, true, &line) >= 0); |
69281c49 LP |
302 | assert_se(streq(line, "foo...")); |
303 | line = mfree(line); | |
304 | ||
df0ff127 | 305 | assert_se(get_process_cmdline(getpid_cached(), 9, true, &line) >= 0); |
69281c49 LP |
306 | assert_se(streq(line, "foo b...")); |
307 | line = mfree(line); | |
308 | ||
df0ff127 | 309 | assert_se(get_process_cmdline(getpid_cached(), 10, true, &line) >= 0); |
69281c49 LP |
310 | assert_se(streq(line, "foo ba...")); |
311 | line = mfree(line); | |
312 | ||
df0ff127 | 313 | assert_se(get_process_cmdline(getpid_cached(), 11, true, &line) >= 0); |
69281c49 LP |
314 | assert_se(streq(line, "foo bar...")); |
315 | line = mfree(line); | |
316 | ||
df0ff127 | 317 | assert_se(get_process_cmdline(getpid_cached(), 12, true, &line) >= 0); |
69281c49 LP |
318 | assert_se(streq(line, "foo bar...")); |
319 | line = mfree(line); | |
320 | ||
df0ff127 | 321 | assert_se(get_process_cmdline(getpid_cached(), 13, true, &line) >= 0); |
69281c49 LP |
322 | assert_se(streq(line, "foo bar quux")); |
323 | line = mfree(line); | |
324 | ||
df0ff127 | 325 | assert_se(get_process_cmdline(getpid_cached(), 14, true, &line) >= 0); |
69281c49 LP |
326 | assert_se(streq(line, "foo bar quux")); |
327 | line = mfree(line); | |
328 | ||
df0ff127 | 329 | assert_se(get_process_cmdline(getpid_cached(), 1000, true, &line) >= 0); |
69281c49 LP |
330 | assert_se(streq(line, "foo bar quux")); |
331 | line = mfree(line); | |
332 | ||
333 | assert_se(ftruncate(fd, 0) >= 0); | |
334 | assert_se(prctl(PR_SET_NAME, "aaaa bbbb cccc") >= 0); | |
335 | ||
df0ff127 | 336 | assert_se(get_process_cmdline(getpid_cached(), 0, false, &line) == -ENOENT); |
69281c49 | 337 | |
df0ff127 | 338 | assert_se(get_process_cmdline(getpid_cached(), 0, true, &line) >= 0); |
69281c49 LP |
339 | assert_se(streq(line, "[aaaa bbbb cccc]")); |
340 | line = mfree(line); | |
341 | ||
df0ff127 | 342 | assert_se(get_process_cmdline(getpid_cached(), 10, true, &line) >= 0); |
69281c49 LP |
343 | assert_se(streq(line, "[aaaa...]")); |
344 | line = mfree(line); | |
345 | ||
df0ff127 | 346 | assert_se(get_process_cmdline(getpid_cached(), 11, true, &line) >= 0); |
69281c49 LP |
347 | assert_se(streq(line, "[aaaa...]")); |
348 | line = mfree(line); | |
349 | ||
df0ff127 | 350 | assert_se(get_process_cmdline(getpid_cached(), 12, true, &line) >= 0); |
69281c49 LP |
351 | assert_se(streq(line, "[aaaa b...]")); |
352 | line = mfree(line); | |
353 | ||
354 | safe_close(fd); | |
355 | _exit(0); | |
356 | } | |
357 | ||
049c884a | 358 | static void test_rename_process_now(const char *p, int ret) { |
9bfaffd5 | 359 | _cleanup_free_ char *comm = NULL, *cmdline = NULL; |
9bfaffd5 LP |
360 | int r; |
361 | ||
9bfaffd5 | 362 | r = rename_process(p); |
9bfaffd5 LP |
363 | assert_se(r == ret || |
364 | (ret == 0 && r >= 0) || | |
365 | (ret > 0 && r > 0)); | |
366 | ||
367 | if (r < 0) | |
049c884a | 368 | return; |
9bfaffd5 | 369 | |
349cc4a5 | 370 | #if HAVE_VALGRIND_VALGRIND_H |
9bfaffd5 LP |
371 | /* see above, valgrind is weird, we can't verify what we are doing here */ |
372 | if (RUNNING_ON_VALGRIND) | |
049c884a | 373 | return; |
9bfaffd5 LP |
374 | #endif |
375 | ||
376 | assert_se(get_process_comm(0, &comm) >= 0); | |
377 | log_info("comm = <%s>", comm); | |
378 | assert_se(strneq(comm, p, 15)); | |
379 | ||
380 | assert_se(get_process_cmdline(0, 0, false, &cmdline) >= 0); | |
049c884a JW |
381 | /* we cannot expect cmdline to be renamed properly without privileges */ |
382 | if (geteuid() == 0) { | |
383 | log_info("cmdline = <%s>", cmdline); | |
384 | assert_se(strneq(p, cmdline, strlen("test-process-util"))); | |
385 | assert_se(startswith(p, cmdline)); | |
386 | } else | |
387 | log_info("cmdline = <%s> (not verified)", cmdline); | |
388 | } | |
389 | ||
390 | static void test_rename_process_one(const char *p, int ret) { | |
391 | siginfo_t si; | |
392 | pid_t pid; | |
393 | ||
394 | pid = fork(); | |
395 | assert_se(pid >= 0); | |
396 | ||
397 | if (pid == 0) { | |
398 | /* child */ | |
399 | test_rename_process_now(p, ret); | |
400 | _exit(EXIT_SUCCESS); | |
401 | } | |
402 | ||
403 | assert_se(wait_for_terminate(pid, &si) >= 0); | |
404 | assert_se(si.si_code == CLD_EXITED); | |
405 | assert_se(si.si_status == EXIT_SUCCESS); | |
406 | } | |
407 | ||
408 | static void test_rename_process_multi(void) { | |
409 | pid_t pid; | |
410 | ||
411 | pid = fork(); | |
412 | assert_se(pid >= 0); | |
9bfaffd5 | 413 | |
049c884a JW |
414 | if (pid > 0) { |
415 | siginfo_t si; | |
416 | ||
417 | assert_se(wait_for_terminate(pid, &si) >= 0); | |
418 | assert_se(si.si_code == CLD_EXITED); | |
419 | assert_se(si.si_status == EXIT_SUCCESS); | |
420 | ||
421 | return; | |
422 | } | |
423 | ||
424 | /* child */ | |
425 | test_rename_process_now("one", 1); | |
426 | test_rename_process_now("more", 0); /* longer than "one", hence truncated */ | |
427 | setresuid(99, 99, 99); | |
428 | test_rename_process_now("time!", 0); | |
429 | test_rename_process_now("0", 1); /* shorter than "one", should fit */ | |
430 | test_rename_process_one("", -EINVAL); | |
431 | test_rename_process_one(NULL, -EINVAL); | |
9bfaffd5 LP |
432 | _exit(EXIT_SUCCESS); |
433 | } | |
434 | ||
435 | static void test_rename_process(void) { | |
436 | test_rename_process_one(NULL, -EINVAL); | |
437 | test_rename_process_one("", -EINVAL); | |
438 | test_rename_process_one("foo", 1); /* should always fit */ | |
439 | test_rename_process_one("this is a really really long process name, followed by some more words", 0); /* unlikely to fit */ | |
440 | test_rename_process_one("1234567", 1); /* should always fit */ | |
049c884a | 441 | test_rename_process_multi(); /* multiple invocations and dropped privileges */ |
9bfaffd5 LP |
442 | } |
443 | ||
5c30a6d2 LP |
444 | static void test_getpid_cached(void) { |
445 | siginfo_t si; | |
446 | pid_t a, b, c, d, e, f, child; | |
447 | ||
448 | a = raw_getpid(); | |
449 | b = getpid_cached(); | |
450 | c = getpid(); | |
451 | ||
452 | assert_se(a == b && a == c); | |
453 | ||
454 | child = fork(); | |
455 | assert_se(child >= 0); | |
456 | ||
457 | if (child == 0) { | |
458 | /* In child */ | |
459 | a = raw_getpid(); | |
460 | b = getpid_cached(); | |
461 | c = getpid(); | |
462 | ||
463 | assert_se(a == b && a == c); | |
464 | _exit(0); | |
465 | } | |
466 | ||
467 | d = raw_getpid(); | |
468 | e = getpid_cached(); | |
469 | f = getpid(); | |
470 | ||
471 | assert_se(a == d && a == e && a == f); | |
472 | ||
473 | assert_se(wait_for_terminate(child, &si) >= 0); | |
474 | assert_se(si.si_status == 0); | |
475 | assert_se(si.si_code == CLD_EXITED); | |
476 | } | |
477 | ||
478 | #define MEASURE_ITERATIONS (10000000LLU) | |
479 | ||
480 | static void test_getpid_measure(void) { | |
481 | unsigned long long i; | |
482 | usec_t t, q; | |
483 | ||
484 | t = now(CLOCK_MONOTONIC); | |
485 | for (i = 0; i < MEASURE_ITERATIONS; i++) | |
486 | (void) getpid(); | |
487 | q = now(CLOCK_MONOTONIC) - t; | |
488 | ||
489 | log_info(" glibc getpid(): %llu/s\n", (unsigned long long) (MEASURE_ITERATIONS*USEC_PER_SEC/q)); | |
490 | ||
491 | t = now(CLOCK_MONOTONIC); | |
492 | for (i = 0; i < MEASURE_ITERATIONS; i++) | |
493 | (void) getpid_cached(); | |
494 | q = now(CLOCK_MONOTONIC) - t; | |
495 | ||
496 | log_info("getpid_cached(): %llu/s\n", (unsigned long long) (MEASURE_ITERATIONS*USEC_PER_SEC/q)); | |
497 | } | |
498 | ||
0b452006 | 499 | int main(int argc, char *argv[]) { |
9bfaffd5 LP |
500 | |
501 | log_set_max_level(LOG_DEBUG); | |
0b452006 RC |
502 | log_parse_environment(); |
503 | log_open(); | |
504 | ||
9bfaffd5 LP |
505 | saved_argc = argc; |
506 | saved_argv = argv; | |
507 | ||
18dade5a ZJS |
508 | if (argc > 1) { |
509 | pid_t pid = 0; | |
510 | ||
511 | (void) parse_pid(argv[1], &pid); | |
512 | test_get_process_comm(pid); | |
513 | } else { | |
76c19e9f | 514 | TEST_REQ_RUNNING_SYSTEMD(test_get_process_comm(1)); |
18dade5a ZJS |
515 | test_get_process_comm(getpid()); |
516 | } | |
517 | ||
0b452006 RC |
518 | test_pid_is_unwaited(); |
519 | test_pid_is_alive(); | |
26fbedd7 | 520 | test_personality(); |
69281c49 | 521 | test_get_process_cmdline_harder(); |
9bfaffd5 | 522 | test_rename_process(); |
5c30a6d2 LP |
523 | test_getpid_cached(); |
524 | test_getpid_measure(); | |
0b452006 RC |
525 | |
526 | return 0; | |
527 | } |