unix 25 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965
  1. # Copyright (C) Igor Sysoev
  2. # Copyright (C) Nginx, Inc.
  3. NGX_USER=${NGX_USER:-nobody}
  4. if [ -z "$NGX_GROUP" ]; then
  5. if [ $NGX_USER = nobody ]; then
  6. if grep nobody /etc/group 2>&1 >/dev/null; then
  7. echo "checking for nobody group ... found"
  8. NGX_GROUP=nobody
  9. else
  10. echo "checking for nobody group ... not found"
  11. if grep nogroup /etc/group 2>&1 >/dev/null; then
  12. echo "checking for nogroup group ... found"
  13. NGX_GROUP=nogroup
  14. else
  15. echo "checking for nogroup group ... not found"
  16. NGX_GROUP=nobody
  17. fi
  18. fi
  19. else
  20. NGX_GROUP=$NGX_USER
  21. fi
  22. fi
  23. ngx_feature="poll()"
  24. ngx_feature_name=
  25. ngx_feature_run=no
  26. ngx_feature_incs="#include <poll.h>"
  27. ngx_feature_path=
  28. ngx_feature_libs=
  29. ngx_feature_test="int n; struct pollfd pl;
  30. pl.fd = 0;
  31. pl.events = 0;
  32. pl.revents = 0;
  33. n = poll(&pl, 1, 0);
  34. if (n == -1) return 1"
  35. . auto/feature
  36. if [ $ngx_found = no ]; then
  37. EVENT_POLL=NONE
  38. fi
  39. ngx_feature="/dev/poll"
  40. ngx_feature_name="NGX_HAVE_DEVPOLL"
  41. ngx_feature_run=no
  42. ngx_feature_incs="#include <sys/devpoll.h>"
  43. ngx_feature_path=
  44. ngx_feature_libs=
  45. ngx_feature_test="int n, dp; struct dvpoll dvp;
  46. dp = 0;
  47. dvp.dp_fds = NULL;
  48. dvp.dp_nfds = 0;
  49. dvp.dp_timeout = 0;
  50. n = ioctl(dp, DP_POLL, &dvp);
  51. if (n == -1) return 1"
  52. . auto/feature
  53. if [ $ngx_found = yes ]; then
  54. CORE_SRCS="$CORE_SRCS $DEVPOLL_SRCS"
  55. EVENT_MODULES="$EVENT_MODULES $DEVPOLL_MODULE"
  56. EVENT_FOUND=YES
  57. fi
  58. if test -z "$NGX_KQUEUE_CHECKED"; then
  59. ngx_feature="kqueue"
  60. ngx_feature_name="NGX_HAVE_KQUEUE"
  61. ngx_feature_run=no
  62. ngx_feature_incs="#include <sys/event.h>"
  63. ngx_feature_path=
  64. ngx_feature_libs=
  65. ngx_feature_test="(void) kqueue()"
  66. . auto/feature
  67. if [ $ngx_found = yes ]; then
  68. have=NGX_HAVE_CLEAR_EVENT . auto/have
  69. EVENT_MODULES="$EVENT_MODULES $KQUEUE_MODULE"
  70. CORE_SRCS="$CORE_SRCS $KQUEUE_SRCS"
  71. EVENT_FOUND=YES
  72. ngx_feature="kqueue's NOTE_LOWAT"
  73. ngx_feature_name="NGX_HAVE_LOWAT_EVENT"
  74. ngx_feature_run=no
  75. ngx_feature_incs="#include <sys/event.h>"
  76. ngx_feature_path=
  77. ngx_feature_libs=
  78. ngx_feature_test="struct kevent kev;
  79. kev.fflags = NOTE_LOWAT;
  80. (void) kev"
  81. . auto/feature
  82. ngx_feature="kqueue's EVFILT_TIMER"
  83. ngx_feature_name="NGX_HAVE_TIMER_EVENT"
  84. ngx_feature_run=yes
  85. ngx_feature_incs="#include <sys/event.h>
  86. #include <sys/time.h>"
  87. ngx_feature_path=
  88. ngx_feature_libs=
  89. ngx_feature_test="int kq;
  90. struct kevent kev;
  91. struct timespec ts;
  92. if ((kq = kqueue()) == -1) return 1;
  93. kev.ident = 0;
  94. kev.filter = EVFILT_TIMER;
  95. kev.flags = EV_ADD|EV_ENABLE;
  96. kev.fflags = 0;
  97. kev.data = 1000;
  98. kev.udata = 0;
  99. ts.tv_sec = 0;
  100. ts.tv_nsec = 0;
  101. if (kevent(kq, &kev, 1, &kev, 1, &ts) == -1) return 1;
  102. if (kev.flags & EV_ERROR) return 1;"
  103. . auto/feature
  104. fi
  105. fi
  106. if [ "$NGX_SYSTEM" = "NetBSD" ]; then
  107. # NetBSD 2.0 incompatibly defines kevent.udata as "intptr_t"
  108. cat << END >> $NGX_AUTO_CONFIG_H
  109. #define NGX_KQUEUE_UDATA_T
  110. END
  111. else
  112. cat << END >> $NGX_AUTO_CONFIG_H
  113. #define NGX_KQUEUE_UDATA_T (void *)
  114. END
  115. fi
  116. ngx_feature="crypt()"
  117. ngx_feature_name=
  118. ngx_feature_run=no
  119. ngx_feature_incs=
  120. ngx_feature_path=
  121. ngx_feature_libs=
  122. ngx_feature_test="crypt(\"test\", \"salt\");"
  123. . auto/feature
  124. if [ $ngx_found = no ]; then
  125. ngx_feature="crypt() in libcrypt"
  126. ngx_feature_name=
  127. ngx_feature_run=no
  128. ngx_feature_incs=
  129. ngx_feature_path=
  130. ngx_feature_libs=-lcrypt
  131. . auto/feature
  132. if [ $ngx_found = yes ]; then
  133. CRYPT_LIB="-lcrypt"
  134. fi
  135. fi
  136. ngx_feature="F_READAHEAD"
  137. ngx_feature_name="NGX_HAVE_F_READAHEAD"
  138. ngx_feature_run=no
  139. ngx_feature_incs="#include <fcntl.h>"
  140. ngx_feature_path=
  141. ngx_feature_libs=
  142. ngx_feature_test="fcntl(0, F_READAHEAD, 1);"
  143. . auto/feature
  144. ngx_feature="posix_fadvise()"
  145. ngx_feature_name="NGX_HAVE_POSIX_FADVISE"
  146. ngx_feature_run=no
  147. ngx_feature_incs="#include <fcntl.h>"
  148. ngx_feature_path=
  149. ngx_feature_libs=
  150. ngx_feature_test="posix_fadvise(0, 0, 0, POSIX_FADV_SEQUENTIAL);"
  151. . auto/feature
  152. ngx_feature="O_DIRECT"
  153. ngx_feature_name="NGX_HAVE_O_DIRECT"
  154. ngx_feature_run=no
  155. ngx_feature_incs="#include <fcntl.h>"
  156. ngx_feature_path=
  157. ngx_feature_libs=
  158. ngx_feature_test="fcntl(0, F_SETFL, O_DIRECT);"
  159. . auto/feature
  160. if [ $ngx_found = yes -a "$NGX_SYSTEM" = "Linux" ]; then
  161. have=NGX_HAVE_ALIGNED_DIRECTIO . auto/have
  162. fi
  163. ngx_feature="F_NOCACHE"
  164. ngx_feature_name="NGX_HAVE_F_NOCACHE"
  165. ngx_feature_run=no
  166. ngx_feature_incs="#include <fcntl.h>"
  167. ngx_feature_path=
  168. ngx_feature_libs=
  169. ngx_feature_test="fcntl(0, F_NOCACHE, 1);"
  170. . auto/feature
  171. ngx_feature="directio()"
  172. ngx_feature_name="NGX_HAVE_DIRECTIO"
  173. ngx_feature_run=no
  174. ngx_feature_incs="#include <sys/types.h>
  175. #include <sys/fcntl.h>"
  176. ngx_feature_path=
  177. ngx_feature_libs=
  178. ngx_feature_test="directio(0, DIRECTIO_ON);"
  179. . auto/feature
  180. ngx_feature="statfs()"
  181. ngx_feature_name="NGX_HAVE_STATFS"
  182. ngx_feature_run=no
  183. ngx_feature_incs="$NGX_INCLUDE_SYS_PARAM_H
  184. $NGX_INCLUDE_SYS_MOUNT_H
  185. $NGX_INCLUDE_SYS_VFS_H"
  186. ngx_feature_path=
  187. ngx_feature_libs=
  188. ngx_feature_test="struct statfs fs;
  189. statfs(\".\", &fs);"
  190. . auto/feature
  191. ngx_feature="statvfs()"
  192. ngx_feature_name="NGX_HAVE_STATVFS"
  193. ngx_feature_run=no
  194. ngx_feature_incs="#include <sys/types.h>
  195. #include <sys/statvfs.h>"
  196. ngx_feature_path=
  197. ngx_feature_libs=
  198. ngx_feature_test="struct statvfs fs;
  199. statvfs(\".\", &fs);"
  200. . auto/feature
  201. ngx_feature="dlopen()"
  202. ngx_feature_name="NGX_HAVE_DLOPEN"
  203. ngx_feature_run=no
  204. ngx_feature_incs="#include <dlfcn.h>"
  205. ngx_feature_path=
  206. ngx_feature_libs=
  207. ngx_feature_test="dlopen(NULL, RTLD_NOW | RTLD_GLOBAL); dlsym(NULL, \"\")"
  208. . auto/feature
  209. if [ $ngx_found = no ]; then
  210. ngx_feature="dlopen() in libdl"
  211. ngx_feature_libs="-ldl"
  212. . auto/feature
  213. if [ $ngx_found = yes ]; then
  214. CORE_LIBS="$CORE_LIBS -ldl"
  215. NGX_LIBDL="-ldl"
  216. fi
  217. fi
  218. ngx_feature="sched_yield()"
  219. ngx_feature_name="NGX_HAVE_SCHED_YIELD"
  220. ngx_feature_run=no
  221. ngx_feature_incs="#include <sched.h>"
  222. ngx_feature_path=
  223. ngx_feature_libs=
  224. ngx_feature_test="sched_yield()"
  225. . auto/feature
  226. if [ $ngx_found = no ]; then
  227. ngx_feature="sched_yield() in librt"
  228. ngx_feature_libs="-lrt"
  229. . auto/feature
  230. if [ $ngx_found = yes ]; then
  231. CORE_LIBS="$CORE_LIBS -lrt"
  232. fi
  233. fi
  234. ngx_feature="SO_SETFIB"
  235. ngx_feature_name="NGX_HAVE_SETFIB"
  236. ngx_feature_run=no
  237. ngx_feature_incs="#include <sys/socket.h>"
  238. ngx_feature_path=
  239. ngx_feature_libs=
  240. ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_SETFIB, NULL, 0)"
  241. . auto/feature
  242. ngx_feature="SO_REUSEPORT"
  243. ngx_feature_name="NGX_HAVE_REUSEPORT"
  244. ngx_feature_run=no
  245. ngx_feature_incs="#include <sys/socket.h>"
  246. ngx_feature_path=
  247. ngx_feature_libs=
  248. ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_REUSEPORT, NULL, 0)"
  249. . auto/feature
  250. ngx_feature="SO_ACCEPTFILTER"
  251. ngx_feature_name="NGX_HAVE_DEFERRED_ACCEPT"
  252. ngx_feature_run=no
  253. ngx_feature_incs="#include <sys/socket.h>"
  254. ngx_feature_path=
  255. ngx_feature_libs=
  256. ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_ACCEPTFILTER, NULL, 0)"
  257. . auto/feature
  258. # NetBSD bind to any address for transparent proxying
  259. ngx_feature="SO_BINDANY"
  260. ngx_feature_name="NGX_HAVE_TRANSPARENT_PROXY"
  261. ngx_feature_run=no
  262. ngx_feature_incs="#include <sys/socket.h>"
  263. ngx_feature_path=
  264. ngx_feature_libs=
  265. ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_BINDANY, NULL, 0)"
  266. . auto/feature
  267. # Linux IP_BIND_ADDRESS_NO_PORT
  268. ngx_feature="IP_BIND_ADDRESS_NO_PORT"
  269. ngx_feature_name="NGX_HAVE_IP_BIND_ADDRESS_NO_PORT"
  270. ngx_feature_run=no
  271. ngx_feature_incs="#include <sys/socket.h>
  272. #include <netinet/in.h>"
  273. ngx_feature_path=
  274. ngx_feature_libs=
  275. ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT, NULL, 0)"
  276. . auto/feature
  277. # Linux transparent proxying
  278. ngx_feature="IP_TRANSPARENT"
  279. ngx_feature_name="NGX_HAVE_TRANSPARENT_PROXY"
  280. ngx_feature_run=no
  281. ngx_feature_incs="#include <sys/socket.h>
  282. #include <netinet/in.h>"
  283. ngx_feature_path=
  284. ngx_feature_libs=
  285. ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_TRANSPARENT, NULL, 0)"
  286. . auto/feature
  287. # FreeBSD bind to any address for transparent proxying
  288. ngx_feature="IP_BINDANY"
  289. ngx_feature_name="NGX_HAVE_TRANSPARENT_PROXY"
  290. ngx_feature_run=no
  291. ngx_feature_incs="#include <sys/socket.h>
  292. #include <netinet/in.h>"
  293. ngx_feature_path=
  294. ngx_feature_libs=
  295. ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BINDANY, NULL, 0)"
  296. . auto/feature
  297. # BSD way to get IPv4 datagram destination address
  298. ngx_feature="IP_RECVDSTADDR"
  299. ngx_feature_name="NGX_HAVE_IP_RECVDSTADDR"
  300. ngx_feature_run=no
  301. ngx_feature_incs="#include <sys/socket.h>
  302. #include <netinet/in.h>"
  303. ngx_feature_path=
  304. ngx_feature_libs=
  305. ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_RECVDSTADDR, NULL, 0)"
  306. . auto/feature
  307. # Linux way to get IPv4 datagram destination address
  308. ngx_feature="IP_PKTINFO"
  309. ngx_feature_name="NGX_HAVE_IP_PKTINFO"
  310. ngx_feature_run=no
  311. ngx_feature_incs="#include <sys/socket.h>
  312. #include <netinet/in.h>"
  313. ngx_feature_path=
  314. ngx_feature_libs=
  315. ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_PKTINFO, NULL, 0)"
  316. . auto/feature
  317. # RFC 3542 way to get IPv6 datagram destination address
  318. ngx_feature="IPV6_RECVPKTINFO"
  319. ngx_feature_name="NGX_HAVE_IPV6_RECVPKTINFO"
  320. ngx_feature_run=no
  321. ngx_feature_incs="#include <sys/socket.h>
  322. #include <netinet/in.h>"
  323. ngx_feature_path=
  324. ngx_feature_libs=
  325. ngx_feature_test="setsockopt(0, IPPROTO_IPV6, IPV6_RECVPKTINFO, NULL, 0)"
  326. . auto/feature
  327. ngx_feature="TCP_DEFER_ACCEPT"
  328. ngx_feature_name="NGX_HAVE_DEFERRED_ACCEPT"
  329. ngx_feature_run=no
  330. ngx_feature_incs="#include <sys/socket.h>
  331. #include <netinet/in.h>
  332. #include <netinet/tcp.h>"
  333. ngx_feature_path=
  334. ngx_feature_libs=
  335. ngx_feature_test="setsockopt(0, IPPROTO_TCP, TCP_DEFER_ACCEPT, NULL, 0)"
  336. . auto/feature
  337. ngx_feature="TCP_KEEPIDLE"
  338. ngx_feature_name="NGX_HAVE_KEEPALIVE_TUNABLE"
  339. ngx_feature_run=no
  340. ngx_feature_incs="#include <sys/socket.h>
  341. #include <netinet/in.h>
  342. #include <netinet/tcp.h>"
  343. ngx_feature_path=
  344. ngx_feature_libs=
  345. ngx_feature_test="setsockopt(0, IPPROTO_TCP, TCP_KEEPIDLE, NULL, 0);
  346. setsockopt(0, IPPROTO_TCP, TCP_KEEPINTVL, NULL, 0);
  347. setsockopt(0, IPPROTO_TCP, TCP_KEEPCNT, NULL, 0)"
  348. . auto/feature
  349. ngx_feature="TCP_FASTOPEN"
  350. ngx_feature_name="NGX_HAVE_TCP_FASTOPEN"
  351. ngx_feature_run=no
  352. ngx_feature_incs="#include <sys/socket.h>
  353. #include <netinet/in.h>
  354. #include <netinet/tcp.h>"
  355. ngx_feature_path=
  356. ngx_feature_libs=
  357. ngx_feature_test="setsockopt(0, IPPROTO_TCP, TCP_FASTOPEN, NULL, 0)"
  358. . auto/feature
  359. ngx_feature="TCP_INFO"
  360. ngx_feature_name="NGX_HAVE_TCP_INFO"
  361. ngx_feature_run=no
  362. ngx_feature_incs="#include <sys/socket.h>
  363. #include <netinet/in.h>
  364. #include <netinet/tcp.h>"
  365. ngx_feature_path=
  366. ngx_feature_libs=
  367. ngx_feature_test="socklen_t optlen = sizeof(struct tcp_info);
  368. struct tcp_info ti;
  369. ti.tcpi_rtt = 0;
  370. ti.tcpi_rttvar = 0;
  371. ti.tcpi_snd_cwnd = 0;
  372. ti.tcpi_rcv_space = 0;
  373. getsockopt(0, IPPROTO_TCP, TCP_INFO, &ti, &optlen)"
  374. . auto/feature
  375. ngx_feature="accept4()"
  376. ngx_feature_name="NGX_HAVE_ACCEPT4"
  377. ngx_feature_run=no
  378. ngx_feature_incs="#include <sys/socket.h>"
  379. ngx_feature_path=
  380. ngx_feature_libs=
  381. ngx_feature_test="accept4(0, NULL, NULL, SOCK_NONBLOCK)"
  382. . auto/feature
  383. if [ $NGX_FILE_AIO = YES ]; then
  384. ngx_feature="kqueue AIO support"
  385. ngx_feature_name="NGX_HAVE_FILE_AIO"
  386. ngx_feature_run=no
  387. ngx_feature_incs="#include <aio.h>"
  388. ngx_feature_path=
  389. ngx_feature_libs=
  390. ngx_feature_test="struct aiocb iocb;
  391. iocb.aio_sigevent.sigev_notify = SIGEV_KEVENT;
  392. (void) aio_read(&iocb)"
  393. . auto/feature
  394. if [ $ngx_found = yes ]; then
  395. CORE_SRCS="$CORE_SRCS $FILE_AIO_SRCS"
  396. fi
  397. if [ $ngx_found = no ]; then
  398. ngx_feature="Linux AIO support"
  399. ngx_feature_name="NGX_HAVE_FILE_AIO"
  400. ngx_feature_run=no
  401. ngx_feature_incs="#include <linux/aio_abi.h>
  402. #include <sys/eventfd.h>"
  403. ngx_feature_path=
  404. ngx_feature_libs=
  405. ngx_feature_test="struct iocb iocb;
  406. iocb.aio_lio_opcode = IOCB_CMD_PREAD;
  407. iocb.aio_flags = IOCB_FLAG_RESFD;
  408. iocb.aio_resfd = -1;
  409. (void) iocb;
  410. (void) eventfd(0, 0)"
  411. . auto/feature
  412. if [ $ngx_found = yes ]; then
  413. have=NGX_HAVE_EVENTFD . auto/have
  414. have=NGX_HAVE_SYS_EVENTFD_H . auto/have
  415. CORE_SRCS="$CORE_SRCS $LINUX_AIO_SRCS"
  416. fi
  417. fi
  418. if [ $ngx_found = no ]; then
  419. ngx_feature="Linux AIO support (SYS_eventfd)"
  420. ngx_feature_incs="#include <linux/aio_abi.h>
  421. #include <sys/syscall.h>"
  422. ngx_feature_test="struct iocb iocb;
  423. iocb.aio_lio_opcode = IOCB_CMD_PREAD;
  424. iocb.aio_flags = IOCB_FLAG_RESFD;
  425. iocb.aio_resfd = -1;
  426. (void) iocb;
  427. (void) SYS_eventfd"
  428. . auto/feature
  429. if [ $ngx_found = yes ]; then
  430. have=NGX_HAVE_EVENTFD . auto/have
  431. CORE_SRCS="$CORE_SRCS $LINUX_AIO_SRCS"
  432. fi
  433. fi
  434. if [ $ngx_found = no ]; then
  435. cat << END
  436. $0: no supported file AIO was found
  437. Currently file AIO is supported on FreeBSD 4.3+ and Linux 2.6.22+ only
  438. END
  439. exit 1
  440. fi
  441. else
  442. ngx_feature="eventfd()"
  443. ngx_feature_name="NGX_HAVE_EVENTFD"
  444. ngx_feature_run=no
  445. ngx_feature_incs="#include <sys/eventfd.h>"
  446. ngx_feature_path=
  447. ngx_feature_libs=
  448. ngx_feature_test="(void) eventfd(0, 0)"
  449. . auto/feature
  450. if [ $ngx_found = yes ]; then
  451. have=NGX_HAVE_SYS_EVENTFD_H . auto/have
  452. fi
  453. if [ $ngx_found = no ]; then
  454. ngx_feature="eventfd() (SYS_eventfd)"
  455. ngx_feature_incs="#include <sys/syscall.h>"
  456. ngx_feature_test="(void) SYS_eventfd"
  457. . auto/feature
  458. fi
  459. fi
  460. have=NGX_HAVE_UNIX_DOMAIN . auto/have
  461. ngx_feature_libs=
  462. # C types
  463. ngx_type="int"; . auto/types/sizeof
  464. ngx_type="long"; . auto/types/sizeof
  465. ngx_type="long long"; . auto/types/sizeof
  466. ngx_type="void *"; . auto/types/sizeof; ngx_ptr_size=$ngx_size
  467. ngx_param=NGX_PTR_SIZE; ngx_value=$ngx_size; . auto/types/value
  468. # POSIX types
  469. NGX_INCLUDE_AUTO_CONFIG_H="#include \"ngx_auto_config.h\""
  470. ngx_type="uint32_t"; ngx_types="u_int32_t"; . auto/types/typedef
  471. ngx_type="uint64_t"; ngx_types="u_int64_t"; . auto/types/typedef
  472. ngx_type="sig_atomic_t"; ngx_types="int"; . auto/types/typedef
  473. . auto/types/sizeof
  474. ngx_param=NGX_SIG_ATOMIC_T_SIZE; ngx_value=$ngx_size; . auto/types/value
  475. ngx_type="socklen_t"; ngx_types="int"; . auto/types/typedef
  476. ngx_type="in_addr_t"; ngx_types="uint32_t u_int32_t"; . auto/types/typedef
  477. ngx_type="in_port_t"; ngx_types="u_short"; . auto/types/typedef
  478. ngx_type="rlim_t"; ngx_types="int"; . auto/types/typedef
  479. . auto/types/uintptr_t
  480. . auto/endianness
  481. ngx_type="size_t"; . auto/types/sizeof
  482. ngx_param=NGX_MAX_SIZE_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value
  483. ngx_param=NGX_SIZE_T_LEN; ngx_value=$ngx_max_len; . auto/types/value
  484. ngx_type="off_t"; . auto/types/sizeof
  485. ngx_param=NGX_MAX_OFF_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value
  486. ngx_param=NGX_OFF_T_LEN; ngx_value=$ngx_max_len; . auto/types/value
  487. ngx_type="time_t"; . auto/types/sizeof
  488. ngx_param=NGX_TIME_T_SIZE; ngx_value=$ngx_size; . auto/types/value
  489. ngx_param=NGX_TIME_T_LEN; ngx_value=$ngx_max_len; . auto/types/value
  490. ngx_param=NGX_MAX_TIME_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value
  491. # syscalls, libc calls and some features
  492. ngx_feature="AF_INET6"
  493. ngx_feature_name="NGX_HAVE_INET6"
  494. ngx_feature_run=no
  495. ngx_feature_incs="#include <sys/socket.h>
  496. #include <netinet/in.h>
  497. #include <arpa/inet.h>"
  498. ngx_feature_path=
  499. ngx_feature_libs=
  500. ngx_feature_test="struct sockaddr_in6 sin6;
  501. sin6.sin6_family = AF_INET6;
  502. (void) sin6"
  503. . auto/feature
  504. ngx_feature="setproctitle()"
  505. ngx_feature_name="NGX_HAVE_SETPROCTITLE"
  506. ngx_feature_run=no
  507. ngx_feature_incs="#include <stdlib.h>"
  508. ngx_feature_path=
  509. ngx_feature_libs=$NGX_SETPROCTITLE_LIB
  510. ngx_feature_test="setproctitle(\"test\");"
  511. . auto/feature
  512. ngx_feature="pread()"
  513. ngx_feature_name="NGX_HAVE_PREAD"
  514. ngx_feature_run=no
  515. ngx_feature_incs=
  516. ngx_feature_path=
  517. ngx_feature_libs=
  518. ngx_feature_test="char buf[1]; ssize_t n; n = pread(0, buf, 1, 0);
  519. if (n == -1) return 1"
  520. . auto/feature
  521. ngx_feature="pwrite()"
  522. ngx_feature_name="NGX_HAVE_PWRITE"
  523. ngx_feature_run=no
  524. ngx_feature_incs=
  525. ngx_feature_path=
  526. ngx_feature_libs=
  527. ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0);
  528. if (n == -1) return 1"
  529. . auto/feature
  530. # pwritev() was introduced in FreeBSD 6 and Linux 2.6.30, glibc 2.10
  531. ngx_feature="pwritev()"
  532. ngx_feature_name="NGX_HAVE_PWRITEV"
  533. ngx_feature_run=no
  534. ngx_feature_incs='#include <sys/uio.h>'
  535. ngx_feature_path=
  536. ngx_feature_libs=
  537. ngx_feature_test="char buf[1]; struct iovec vec[1]; ssize_t n;
  538. vec[0].iov_base = buf;
  539. vec[0].iov_len = 1;
  540. n = pwritev(1, vec, 1, 0);
  541. if (n == -1) return 1"
  542. . auto/feature
  543. ngx_feature="sys_nerr"
  544. ngx_feature_name="NGX_SYS_NERR"
  545. ngx_feature_run=value
  546. ngx_feature_incs='#include <errno.h>
  547. #include <stdio.h>'
  548. ngx_feature_path=
  549. ngx_feature_libs=
  550. ngx_feature_test='printf("%d", sys_nerr);'
  551. . auto/feature
  552. if [ $ngx_found = no ]; then
  553. # Cygiwn defines _sys_nerr
  554. ngx_feature="_sys_nerr"
  555. ngx_feature_name="NGX_SYS_NERR"
  556. ngx_feature_run=value
  557. ngx_feature_incs='#include <errno.h>
  558. #include <stdio.h>'
  559. ngx_feature_path=
  560. ngx_feature_libs=
  561. ngx_feature_test='printf("%d", _sys_nerr);'
  562. . auto/feature
  563. fi
  564. if [ $ngx_found = no ]; then
  565. # Solaris has no sys_nerr
  566. ngx_feature='maximum errno'
  567. ngx_feature_name=NGX_SYS_NERR
  568. ngx_feature_run=value
  569. ngx_feature_incs='#include <errno.h>
  570. #include <string.h>
  571. #include <stdio.h>'
  572. ngx_feature_path=
  573. ngx_feature_libs=
  574. ngx_feature_test='int n;
  575. char *p;
  576. for (n = 1; n < 1000; n++) {
  577. errno = 0;
  578. p = strerror(n);
  579. if (errno == EINVAL
  580. || p == NULL
  581. || strncmp(p, "Unknown error", 13) == 0)
  582. {
  583. break;
  584. }
  585. }
  586. printf("%d", n);'
  587. . auto/feature
  588. fi
  589. ngx_feature="localtime_r()"
  590. ngx_feature_name="NGX_HAVE_LOCALTIME_R"
  591. ngx_feature_run=no
  592. ngx_feature_incs="#include <time.h>"
  593. ngx_feature_path=
  594. ngx_feature_libs=
  595. ngx_feature_test="struct tm t; time_t c=0; localtime_r(&c, &t)"
  596. . auto/feature
  597. ngx_feature="posix_memalign()"
  598. ngx_feature_name="NGX_HAVE_POSIX_MEMALIGN"
  599. ngx_feature_run=no
  600. ngx_feature_incs="#include <stdlib.h>"
  601. ngx_feature_path=
  602. ngx_feature_libs=
  603. ngx_feature_test="void *p; int n; n = posix_memalign(&p, 4096, 4096);
  604. if (n != 0) return 1"
  605. . auto/feature
  606. ngx_feature="memalign()"
  607. ngx_feature_name="NGX_HAVE_MEMALIGN"
  608. ngx_feature_run=no
  609. ngx_feature_incs="#include <stdlib.h>
  610. #include <malloc.h>"
  611. ngx_feature_path=
  612. ngx_feature_libs=
  613. ngx_feature_test="void *p; p = memalign(4096, 4096);
  614. if (p == NULL) return 1"
  615. . auto/feature
  616. ngx_feature="mmap(MAP_ANON|MAP_SHARED)"
  617. ngx_feature_name="NGX_HAVE_MAP_ANON"
  618. ngx_feature_run=yes
  619. ngx_feature_incs="#include <sys/mman.h>"
  620. ngx_feature_path=
  621. ngx_feature_libs=
  622. ngx_feature_test="void *p;
  623. p = mmap(NULL, 4096, PROT_READ|PROT_WRITE,
  624. MAP_ANON|MAP_SHARED, -1, 0);
  625. if (p == MAP_FAILED) return 1;"
  626. . auto/feature
  627. ngx_feature='mmap("/dev/zero", MAP_SHARED)'
  628. ngx_feature_name="NGX_HAVE_MAP_DEVZERO"
  629. ngx_feature_run=yes
  630. ngx_feature_incs="#include <sys/mman.h>
  631. #include <sys/stat.h>
  632. #include <fcntl.h>"
  633. ngx_feature_path=
  634. ngx_feature_libs=
  635. ngx_feature_test='void *p; int fd;
  636. fd = open("/dev/zero", O_RDWR);
  637. p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
  638. if (p == MAP_FAILED) return 1;'
  639. . auto/feature
  640. ngx_feature="System V shared memory"
  641. ngx_feature_name="NGX_HAVE_SYSVSHM"
  642. ngx_feature_run=yes
  643. ngx_feature_incs="#include <sys/ipc.h>
  644. #include <sys/shm.h>"
  645. ngx_feature_path=
  646. ngx_feature_libs=
  647. ngx_feature_test="int id;
  648. id = shmget(IPC_PRIVATE, 4096, (SHM_R|SHM_W|IPC_CREAT));
  649. if (id == -1) return 1;
  650. shmctl(id, IPC_RMID, NULL);"
  651. . auto/feature
  652. ngx_feature="POSIX semaphores"
  653. ngx_feature_name="NGX_HAVE_POSIX_SEM"
  654. ngx_feature_run=yes
  655. ngx_feature_incs="#include <semaphore.h>"
  656. ngx_feature_path=
  657. ngx_feature_libs=
  658. ngx_feature_test="sem_t sem;
  659. if (sem_init(&sem, 1, 0) == -1) return 1;
  660. sem_destroy(&sem);"
  661. . auto/feature
  662. if [ $ngx_found = no ]; then
  663. # Linux has POSIX semaphores in libpthread
  664. ngx_feature="POSIX semaphores in libpthread"
  665. ngx_feature_libs=-lpthread
  666. . auto/feature
  667. if [ $ngx_found = yes ]; then
  668. CORE_LIBS="$CORE_LIBS -lpthread"
  669. fi
  670. fi
  671. if [ $ngx_found = no ]; then
  672. # Solaris has POSIX semaphores in librt
  673. ngx_feature="POSIX semaphores in librt"
  674. ngx_feature_libs=-lrt
  675. . auto/feature
  676. if [ $ngx_found = yes ]; then
  677. CORE_LIBS="$CORE_LIBS -lrt"
  678. fi
  679. fi
  680. ngx_feature="struct msghdr.msg_control"
  681. ngx_feature_name="NGX_HAVE_MSGHDR_MSG_CONTROL"
  682. ngx_feature_run=no
  683. ngx_feature_incs="#include <sys/socket.h>
  684. #include <stdio.h>"
  685. ngx_feature_path=
  686. ngx_feature_libs=
  687. ngx_feature_test="struct msghdr msg;
  688. printf(\"%d\", (int) sizeof(msg.msg_control))"
  689. . auto/feature
  690. ngx_feature="ioctl(FIONBIO)"
  691. ngx_feature_name="NGX_HAVE_FIONBIO"
  692. ngx_feature_run=no
  693. ngx_feature_incs="#include <sys/ioctl.h>
  694. #include <stdio.h>
  695. $NGX_INCLUDE_SYS_FILIO_H"
  696. ngx_feature_path=
  697. ngx_feature_libs=
  698. ngx_feature_test="int i = FIONBIO; printf(\"%d\", i)"
  699. . auto/feature
  700. ngx_feature="struct tm.tm_gmtoff"
  701. ngx_feature_name="NGX_HAVE_GMTOFF"
  702. ngx_feature_run=no
  703. ngx_feature_incs="#include <time.h>
  704. #include <stdio.h>"
  705. ngx_feature_path=
  706. ngx_feature_libs=
  707. ngx_feature_test="struct tm tm; tm.tm_gmtoff = 0;
  708. printf(\"%d\", (int) tm.tm_gmtoff)"
  709. . auto/feature
  710. ngx_feature="struct dirent.d_namlen"
  711. ngx_feature_name="NGX_HAVE_D_NAMLEN"
  712. ngx_feature_run=no
  713. ngx_feature_incs="#include <dirent.h>
  714. #include <stdio.h>"
  715. ngx_feature_path=
  716. ngx_feature_libs=
  717. ngx_feature_test="struct dirent dir; dir.d_namlen = 0;
  718. printf(\"%d\", (int) dir.d_namlen)"
  719. . auto/feature
  720. ngx_feature="struct dirent.d_type"
  721. ngx_feature_name="NGX_HAVE_D_TYPE"
  722. ngx_feature_run=no
  723. ngx_feature_incs="#include <dirent.h>
  724. #include <stdio.h>"
  725. ngx_feature_path=
  726. ngx_feature_libs=
  727. ngx_feature_test="struct dirent dir; dir.d_type = DT_REG;
  728. printf(\"%d\", (int) dir.d_type)"
  729. . auto/feature
  730. ngx_feature="sysconf(_SC_NPROCESSORS_ONLN)"
  731. ngx_feature_name="NGX_HAVE_SC_NPROCESSORS_ONLN"
  732. ngx_feature_run=no
  733. ngx_feature_incs=
  734. ngx_feature_path=
  735. ngx_feature_libs=
  736. ngx_feature_test="sysconf(_SC_NPROCESSORS_ONLN)"
  737. . auto/feature
  738. ngx_feature="openat(), fstatat()"
  739. ngx_feature_name="NGX_HAVE_OPENAT"
  740. ngx_feature_run=no
  741. ngx_feature_incs="#include <sys/types.h>
  742. #include <sys/stat.h>
  743. #include <fcntl.h>"
  744. ngx_feature_path=
  745. ngx_feature_libs=
  746. ngx_feature_test="struct stat sb;
  747. openat(AT_FDCWD, \".\", O_RDONLY|O_NOFOLLOW);
  748. fstatat(AT_FDCWD, \".\", &sb, AT_SYMLINK_NOFOLLOW);"
  749. . auto/feature
  750. ngx_feature="getaddrinfo()"
  751. ngx_feature_name="NGX_HAVE_GETADDRINFO"
  752. ngx_feature_run=no
  753. ngx_feature_incs="#include <sys/types.h>
  754. #include <sys/socket.h>
  755. #include <netdb.h>"
  756. ngx_feature_path=
  757. ngx_feature_libs=
  758. ngx_feature_test='struct addrinfo *res;
  759. if (getaddrinfo("localhost", NULL, NULL, &res) != 0) return 1;
  760. freeaddrinfo(res)'
  761. . auto/feature