1 #![deny(warnings)] 2 3 extern crate ctest; 4 5 use std::env; 6 7 fn main() { 8 let target = env::var("TARGET").unwrap(); 9 let aarch64 = target.contains("aarch64"); 10 let i686 = target.contains("i686"); 11 let x86_64 = target.contains("x86_64"); 12 let x32 = target.ends_with("gnux32"); 13 let windows = target.contains("windows"); 14 let mingw = target.contains("windows-gnu"); 15 let linux = target.contains("unknown-linux"); 16 let android = target.contains("android"); 17 let apple = target.contains("apple"); 18 let emscripten = target.contains("asm"); 19 let musl = target.contains("musl") || emscripten; 20 let uclibc = target.contains("uclibc"); 21 let freebsd = target.contains("freebsd"); 22 let dragonfly = target.contains("dragonfly"); 23 let mips = target.contains("mips"); 24 let netbsd = target.contains("netbsd"); 25 let openbsd = target.contains("openbsd"); 26 let rumprun = target.contains("rumprun"); 27 let solaris = target.contains("solaris"); 28 let bsdlike = freebsd || apple || netbsd || openbsd || dragonfly; 29 let mut cfg = ctest::TestGenerator::new(); 30 31 // Pull in extra goodies 32 if linux || android || emscripten { 33 cfg.define("_GNU_SOURCE", None); 34 } else if netbsd { 35 cfg.define("_NETBSD_SOURCE", Some("1")); 36 } else if apple { 37 cfg.define("__APPLE_USE_RFC_3542", None); 38 } else if windows { 39 cfg.define("_WIN32_WINNT", Some("0x8000")); 40 } else if solaris { 41 cfg.define("_XOPEN_SOURCE", Some("700")); 42 cfg.define("__EXTENSIONS__", None); 43 cfg.define("_LCONV_C99", None); 44 } 45 46 // Android doesn't actually have in_port_t but it's much easier if we 47 // provide one for us to test against 48 if android { 49 cfg.define("in_port_t", Some("uint16_t")); 50 } 51 52 cfg.header("errno.h") 53 .header("fcntl.h") 54 .header("limits.h") 55 .header("locale.h") 56 .header("stddef.h") 57 .header("stdint.h") 58 .header("stdio.h") 59 .header("stdlib.h") 60 .header("sys/stat.h") 61 .header("sys/types.h") 62 .header("time.h") 63 .header("wchar.h"); 64 65 if windows { 66 cfg.header("winsock2.h"); // must be before windows.h 67 68 cfg.header("direct.h"); 69 cfg.header("io.h"); 70 cfg.header("sys/utime.h"); 71 cfg.header("windows.h"); 72 cfg.header("process.h"); 73 cfg.header("ws2ipdef.h"); 74 75 if target.contains("gnu") { 76 cfg.header("ws2tcpip.h"); 77 } 78 } else { 79 cfg.flag("-Wno-deprecated-declarations"); 80 81 cfg.header("ctype.h"); 82 cfg.header("dirent.h"); 83 if openbsd { 84 cfg.header("sys/socket.h"); 85 } 86 cfg.header("net/if.h"); 87 cfg.header("net/route.h"); 88 cfg.header("net/if_arp.h"); 89 cfg.header("netdb.h"); 90 cfg.header("netinet/in.h"); 91 cfg.header("netinet/ip.h"); 92 cfg.header("netinet/tcp.h"); 93 cfg.header("netinet/udp.h"); 94 cfg.header("resolv.h"); 95 cfg.header("pthread.h"); 96 cfg.header("dlfcn.h"); 97 cfg.header("signal.h"); 98 cfg.header("string.h"); 99 cfg.header("sys/file.h"); 100 cfg.header("sys/ioctl.h"); 101 cfg.header("sys/mman.h"); 102 cfg.header("sys/resource.h"); 103 cfg.header("sys/socket.h"); 104 if linux && !musl { 105 cfg.header("linux/if.h"); 106 cfg.header("sys/auxv.h"); 107 } 108 cfg.header("sys/time.h"); 109 cfg.header("sys/un.h"); 110 cfg.header("sys/wait.h"); 111 cfg.header("unistd.h"); 112 cfg.header("utime.h"); 113 cfg.header("pwd.h"); 114 cfg.header("grp.h"); 115 cfg.header("sys/utsname.h"); 116 if !solaris { 117 cfg.header("sys/ptrace.h"); 118 } 119 cfg.header("sys/mount.h"); 120 cfg.header("sys/uio.h"); 121 cfg.header("sched.h"); 122 cfg.header("termios.h"); 123 cfg.header("poll.h"); 124 cfg.header("syslog.h"); 125 cfg.header("semaphore.h"); 126 cfg.header("sys/statvfs.h"); 127 cfg.header("sys/times.h"); 128 } 129 130 if android { 131 if !aarch64 && !x86_64 { 132 // time64_t is not define for aarch64 and x86_64 133 // If included it will generate the error 'Your time_t is already 64-bit' 134 cfg.header("time64.h"); 135 } 136 cfg.header("arpa/inet.h"); 137 cfg.header("xlocale.h"); 138 cfg.header("utmp.h"); 139 cfg.header("ifaddrs.h"); 140 if i686 || x86_64 { 141 cfg.header("sys/reg.h"); 142 } 143 } else if !windows { 144 cfg.header("glob.h"); 145 cfg.header("ifaddrs.h"); 146 cfg.header("langinfo.h"); 147 148 if !openbsd && !freebsd && !dragonfly && !solaris { 149 cfg.header("sys/quota.h"); 150 } 151 152 if !musl && !x32 && !solaris { 153 cfg.header("sys/sysctl.h"); 154 } 155 156 if !musl && !uclibc { 157 158 if !netbsd && !openbsd && !uclibc { 159 cfg.header("execinfo.h"); 160 } 161 162 if openbsd { 163 cfg.header("utmp.h"); 164 } else { 165 cfg.header("utmpx.h"); 166 } 167 } 168 } 169 170 if apple { 171 cfg.header("spawn.h"); 172 cfg.header("mach-o/dyld.h"); 173 cfg.header("mach/mach_time.h"); 174 cfg.header("malloc/malloc.h"); 175 cfg.header("util.h"); 176 cfg.header("xlocale.h"); 177 cfg.header("sys/xattr.h"); 178 cfg.header("sys/sys_domain.h"); 179 cfg.header("net/if_utun.h"); 180 cfg.header("net/bpf.h"); 181 if target.starts_with("x86") { 182 cfg.header("crt_externs.h"); 183 } 184 cfg.header("net/route.h"); 185 cfg.header("netinet/if_ether.h"); 186 cfg.header("netinet/in.h"); 187 cfg.header("sys/proc_info.h"); 188 cfg.header("sys/kern_control.h"); 189 cfg.header("sys/ipc.h"); 190 cfg.header("sys/shm.h"); 191 } 192 193 if bsdlike { 194 cfg.header("sys/event.h"); 195 cfg.header("net/if_dl.h"); 196 if freebsd { 197 cfg.header("net/bpf.h"); 198 cfg.header("libutil.h"); 199 } else { 200 cfg.header("util.h"); 201 } 202 } 203 204 if linux || emscripten { 205 cfg.header("mntent.h"); 206 cfg.header("mqueue.h"); 207 cfg.header("ucontext.h"); 208 if !uclibc { 209 // optionally included in uclibc 210 cfg.header("sys/xattr.h"); 211 } 212 cfg.header("sys/ipc.h"); 213 cfg.header("sys/sem.h"); 214 cfg.header("sys/msg.h"); 215 cfg.header("sys/shm.h"); 216 cfg.header("sys/user.h"); 217 cfg.header("sys/timerfd.h"); 218 cfg.header("shadow.h"); 219 if !emscripten { 220 cfg.header("linux/input.h"); 221 cfg.header("linux/falloc.h"); 222 } 223 if x86_64 { 224 cfg.header("sys/io.h"); 225 } 226 if i686 || x86_64 { 227 cfg.header("sys/reg.h"); 228 } 229 } 230 231 if linux || android || emscripten { 232 cfg.header("malloc.h"); 233 cfg.header("net/ethernet.h"); 234 cfg.header("netpacket/packet.h"); 235 cfg.header("sched.h"); 236 cfg.header("sys/epoll.h"); 237 cfg.header("sys/eventfd.h"); 238 cfg.header("sys/prctl.h"); 239 cfg.header("sys/sendfile.h"); 240 cfg.header("sys/signalfd.h"); 241 cfg.header("sys/vfs.h"); 242 cfg.header("sys/syscall.h"); 243 cfg.header("sys/personality.h"); 244 cfg.header("sys/swap.h"); 245 cfg.header("pty.h"); 246 if !uclibc { 247 cfg.header("sys/sysinfo.h"); 248 } 249 cfg.header("sys/reboot.h"); 250 if !emscripten { 251 cfg.header("linux/sockios.h"); 252 cfg.header("linux/netlink.h"); 253 cfg.header("linux/genetlink.h"); 254 cfg.header("linux/netfilter_ipv4.h"); 255 cfg.header("linux/netfilter_ipv6.h"); 256 cfg.header("linux/fs.h"); 257 } 258 if !musl { 259 cfg.header("asm/mman.h"); 260 cfg.header("linux/magic.h"); 261 cfg.header("linux/reboot.h"); 262 cfg.header("linux/netfilter/nf_tables.h"); 263 264 if !mips { 265 cfg.header("linux/quota.h"); 266 } 267 } 268 } 269 if solaris { 270 cfg.header("sys/epoll.h"); 271 } 272 273 if linux || android { 274 cfg.header("sys/fsuid.h"); 275 cfg.header("linux/module.h"); 276 cfg.header("linux/seccomp.h"); 277 cfg.header("linux/if_ether.h"); 278 cfg.header("linux/if_tun.h"); 279 // DCCP support 280 if !uclibc && !musl && !emscripten { 281 cfg.header("linux/dccp.h"); 282 } 283 284 if !musl || mips { 285 cfg.header("linux/memfd.h"); 286 } 287 } 288 289 if linux { 290 cfg.header("linux/random.h"); 291 cfg.header("elf.h"); 292 cfg.header("link.h"); 293 cfg.header("spawn.h"); 294 } 295 296 if freebsd { 297 cfg.header("mqueue.h"); 298 cfg.header("pthread_np.h"); 299 cfg.header("sched.h"); 300 cfg.header("ufs/ufs/quota.h"); 301 cfg.header("sys/jail.h"); 302 cfg.header("sys/ipc.h"); 303 cfg.header("sys/msg.h"); 304 cfg.header("sys/shm.h"); 305 cfg.header("sys/procdesc.h"); 306 cfg.header("sys/rtprio.h"); 307 cfg.header("spawn.h"); 308 } 309 310 if netbsd { 311 cfg.header("mqueue.h"); 312 cfg.header("ufs/ufs/quota.h"); 313 cfg.header("ufs/ufs/quota1.h"); 314 cfg.header("sys/ioctl_compat.h"); 315 316 // DCCP support 317 cfg.header("netinet/dccp.h"); 318 } 319 320 if openbsd { 321 cfg.header("ufs/ufs/quota.h"); 322 cfg.header("pthread_np.h"); 323 cfg.header("sys/syscall.h"); 324 } 325 326 if dragonfly { 327 cfg.header("mqueue.h"); 328 cfg.header("ufs/ufs/quota.h"); 329 cfg.header("pthread_np.h"); 330 cfg.header("sys/ioctl_compat.h"); 331 cfg.header("sys/rtprio.h"); 332 } 333 334 if solaris { 335 cfg.header("port.h"); 336 cfg.header("ucontext.h"); 337 cfg.header("sys/filio.h"); 338 cfg.header("sys/loadavg.h"); 339 } 340 341 if linux || freebsd || dragonfly || netbsd || apple || emscripten { 342 if !uclibc { 343 cfg.header("aio.h"); 344 } 345 } 346 347 cfg.type_name(move |ty, is_struct, is_union| { 348 match ty { 349 // Just pass all these through, no need for a "struct" prefix 350 "FILE" | 351 "fd_set" | 352 "Dl_info" | 353 "DIR" | 354 "Elf32_Phdr" | 355 "Elf64_Phdr" => ty.to_string(), 356 357 // Fixup a few types on windows that don't actually exist. 358 "time64_t" if windows => "__time64_t".to_string(), 359 "ssize_t" if windows => "SSIZE_T".to_string(), 360 361 // OSX calls this something else 362 "sighandler_t" if bsdlike => "sig_t".to_string(), 363 364 t if is_union => { 365 format!("union {}", t) 366 } 367 368 t if t.ends_with("_t") => t.to_string(), 369 370 // Windows uppercase structs don't have `struct` in front, there's a 371 // few special cases for windows, and then otherwise put `struct` in 372 // front of everything. 373 t if is_struct => { 374 if windows && ty.chars().next().unwrap().is_uppercase() { 375 t.to_string() 376 } else if windows && t == "stat" { 377 "struct __stat64".to_string() 378 } else if windows && t == "utimbuf" { 379 "struct __utimbuf64".to_string() 380 } else { 381 format!("struct {}", t) 382 } 383 } 384 385 t => t.to_string(), 386 } 387 }); 388 389 let target2 = target.clone(); 390 cfg.field_name(move |struct_, field| { 391 match field { 392 "st_birthtime" if openbsd && struct_ == "stat" => "__st_birthtime".to_string(), 393 "st_birthtime_nsec" if openbsd && struct_ == "stat" => "__st_birthtimensec".to_string(), 394 // Our stat *_nsec fields normally don't actually exist but are part 395 // of a timeval struct 396 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 397 if target2.contains("apple") { 398 s.replace("_nsec", "spec.tv_nsec") 399 } else if target2.contains("android") { 400 s.to_string() 401 } else { 402 s.replace("e_nsec", ".tv_nsec") 403 } 404 } 405 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 406 "type_" if (linux || freebsd || dragonfly) && 407 (struct_ == "input_event" || struct_ == "input_mask" || 408 struct_ == "ff_effect" || struct_ == "rtprio") => "type".to_string(), 409 s => s.to_string(), 410 } 411 }); 412 413 cfg.skip_type(move |ty| { 414 match ty { 415 // sighandler_t is crazy across platforms 416 "sighandler_t" => true, 417 418 _ => false 419 } 420 }); 421 422 cfg.skip_struct(move |ty| { 423 match ty { 424 "sockaddr_nl" => musl, 425 426 // On Linux, the type of `ut_tv` field of `struct utmpx` 427 // can be an anonymous struct, so an extra struct, 428 // which is absent in glibc, has to be defined. 429 "__timeval" if linux => true, 430 431 // Fixed on stdbuild with repr(packed(4)) 432 // Once repr_packed stabilizes we can fix this unconditionally 433 // and remove this check. 434 "kevent" | "shmid_ds" if apple && x86_64 => true, 435 436 // This is actually a union, not a struct 437 "sigval" => true, 438 439 // Linux kernel headers used on musl are too old to have this 440 // definition. Because it's tested on other Linux targets, skip it. 441 "input_mask" if musl => true, 442 443 // These structs have changed since unified headers in NDK r14b. 444 // `st_atime` and `st_atime_nsec` have changed sign. 445 // FIXME: unskip it for next major release 446 "stat" | "stat64" if android => true, 447 448 // These are tested as part of the linux_fcntl tests since there are 449 // header conflicts when including them with all the other structs. 450 "termios2" => true, 451 452 _ => false 453 } 454 }); 455 456 cfg.skip_signededness(move |c| { 457 match c { 458 "LARGE_INTEGER" | 459 "mach_timebase_info_data_t" | 460 "float" | 461 "double" => true, 462 // uuid_t is a struct, not an integer. 463 "uuid_t" if dragonfly => true, 464 n if n.starts_with("pthread") => true, 465 // sem_t is a struct or pointer 466 "sem_t" if openbsd || freebsd || dragonfly || netbsd => true, 467 // mqd_t is a pointer on FreeBSD and DragonFly 468 "mqd_t" if freebsd || dragonfly => true, 469 470 // Just some typedefs on osx, no need to check their sign 471 "posix_spawnattr_t" | 472 "posix_spawn_file_actions_t" => true, 473 474 // windows-isms 475 n if n.starts_with("P") => true, 476 n if n.starts_with("H") => true, 477 n if n.starts_with("LP") => true, 478 _ => false, 479 } 480 }); 481 482 cfg.skip_const(move |name| { 483 match name { 484 // Apparently these don't exist in mingw headers? 485 "MEM_RESET_UNDO" | 486 "FILE_ATTRIBUTE_NO_SCRUB_DATA" | 487 "FILE_ATTRIBUTE_INTEGRITY_STREAM" | 488 "ERROR_NOTHING_TO_TERMINATE" if mingw => true, 489 490 "SIG_DFL" | 491 "SIG_ERR" | 492 "SIG_IGN" => true, // sighandler_t weirdness 493 "SIGUNUSED" => true, // removed in glibc 2.26 494 495 // types on musl are defined a little differently 496 n if musl && n.contains("__SIZEOF_PTHREAD") => true, 497 498 // Skip constants not defined in MUSL but just passed down to the 499 // kernel regardless 500 "RLIMIT_NLIMITS" | 501 "TCP_COOKIE_TRANSACTIONS" | 502 "RLIMIT_RTTIME" | 503 "MSG_COPY" if musl => true, 504 // work around super old mips toolchain 505 "SCHED_IDLE" | "SHM_NORESERVE" => mips, 506 507 // weird signed extension or something like that? 508 "MS_NOUSER" => true, 509 "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13 510 511 // These OSX constants are flagged as deprecated 512 "NOTE_EXIT_REPARENTED" | 513 "NOTE_REAP" if apple => true, 514 515 // These constants were removed in FreeBSD 11 (svn r273250) but will 516 // still be accepted and ignored at runtime. 517 "MAP_RENAME" | 518 "MAP_NORESERVE" if freebsd => true, 519 520 // These constants were removed in FreeBSD 11 (svn r262489), 521 // and they've never had any legitimate use outside of the 522 // base system anyway. 523 "CTL_MAXID" | 524 "KERN_MAXID" | 525 "HW_MAXID" | 526 "NET_MAXID" | 527 "USER_MAXID" if freebsd => true, 528 529 // These constants were added in FreeBSD 11 530 "EVFILT_PROCDESC" | "EVFILT_SENDFILE" | "EVFILT_EMPTY" | 531 "PD_CLOEXEC" | "PD_ALLOWED_AT_FORK" if freebsd => true, 532 533 // These constants were added in FreeBSD 12 534 "SF_USER_READAHEAD" if freebsd => true, 535 536 // These OSX constants are removed in Sierra. 537 // https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html 538 "KERN_KDENABLE_BG_TRACE" if apple => true, 539 "KERN_KDDISABLE_BG_TRACE" if apple => true, 540 541 // These constants were removed in OpenBSD 6 (https://git.io/v7gBO 542 // https://git.io/v7gBq) 543 "KERN_USERMOUNT" | 544 "KERN_ARND" if openbsd => true, 545 546 // These are either unimplemented or optionally built into uClibc 547 "LC_CTYPE_MASK" | "LC_NUMERIC_MASK" | "LC_TIME_MASK" | "LC_COLLATE_MASK" | "LC_MONETARY_MASK" | "LC_MESSAGES_MASK" | 548 "MADV_MERGEABLE" | "MADV_UNMERGEABLE" | "MADV_HWPOISON" | "IPV6_ADD_MEMBERSHIP" | "IPV6_DROP_MEMBERSHIP" | "IPV6_MULTICAST_LOOP" | "IPV6_V6ONLY" | 549 "MAP_STACK" | "RTLD_DEEPBIND" | "SOL_IPV6" | "SOL_ICMPV6" if uclibc => true, 550 551 // Musl uses old, patched kernel headers 552 "FALLOC_FL_COLLAPSE_RANGE" | "FALLOC_FL_ZERO_RANGE" | 553 "FALLOC_FL_INSERT_RANGE" | "FALLOC_FL_UNSHARE_RANGE" | 554 "RENAME_NOREPLACE" | "RENAME_EXCHANGE" | "RENAME_WHITEOUT" if musl => true, 555 556 // Both android and musl use old kernel headers 557 // These are constants used in getrandom syscall 558 "GRND_NONBLOCK" | "GRND_RANDOM" if musl || android => true, 559 560 // Defined by libattr not libc on linux (hard to test). 561 // See constant definition for more details. 562 "ENOATTR" if android || linux => true, 563 564 // On mips*-unknown-linux-gnu* CMSPAR cannot be included with the set of headers we 565 // want to use here for testing. It's originally defined in asm/termbits.h, which is 566 // also included by asm/termios.h, but not the standard termios.h. There's no way to 567 // include both asm/termbits.h and termios.h and there's no way to include both 568 // asm/termios.h and ioctl.h (+ some other headers) because of redeclared types. 569 "CMSPAR" if mips && linux && !musl => true, 570 571 // On mips Linux targets, MADV_SOFT_OFFLINE is currently missing, though it's been added but CI has too old 572 // of a Linux version. Since it exists on all other Linux targets, just ignore this for now and remove once 573 // it's been fixed in CI. 574 "MADV_SOFT_OFFLINE" if mips && linux => true, 575 576 // These constants are tested in a separate test program generated below because there 577 // are header conflicts if we try to include the headers that define them here. 578 "F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" => true, 579 "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW" | "F_SEAL_WRITE" => true, 580 "QFMT_VFS_OLD" | "QFMT_VFS_V0" | "QFMT_VFS_V1" if mips && linux => true, // Only on MIPS 581 "BOTHER" => true, 582 583 "MFD_CLOEXEC" | "MFD_ALLOW_SEALING" if !mips && musl => true, 584 585 "DT_FIFO" | "DT_CHR" | "DT_DIR" | "DT_BLK" | "DT_REG" | "DT_LNK" | "DT_SOCK" if solaris => true, 586 "USRQUOTA" | "GRPQUOTA" if solaris => true, 587 "PRIO_MIN" | "PRIO_MAX" if solaris => true, 588 589 // These are defined for Solaris 11, but the crate is tested on illumos, where they are currently not defined 590 "EADI" | "PORT_SOURCE_POSTWAIT" | "PORT_SOURCE_SIGNAL" | "PTHREAD_STACK_MIN" => true, 591 592 // These change all the time from release to release of linux 593 // distros, let's just not bother trying to verify them. They 594 // shouldn't be used in code anyway... 595 "AF_MAX" | "PF_MAX" => true, 596 597 _ => false, 598 } 599 }); 600 601 cfg.skip_fn(move |name| { 602 // skip those that are manually verified 603 match name { 604 "execv" | // crazy stuff with const/mut 605 "execve" | 606 "execvp" | 607 "execvpe" | 608 "fexecve" => true, 609 610 "getrlimit" | "getrlimit64" | // non-int in 1st arg 611 "setrlimit" | "setrlimit64" | // non-int in 1st arg 612 "prlimit" | "prlimit64" | // non-int in 2nd arg 613 "strerror_r" if linux => true, // actually xpg-something-or-other 614 615 // int vs uint. Sorry musl, your prototype declarations are "correct" in the sense that 616 // they match the interface defined by Linux verbatim, but they conflict with other 617 // send*/recv* syscalls 618 "sendmmsg" | "recvmmsg" if musl => true, 619 620 // typed 2nd arg on linux and android 621 "gettimeofday" if linux || android || freebsd || openbsd || dragonfly => true, 622 623 // not declared in newer android toolchains 624 "getdtablesize" if android => true, 625 626 "dlerror" if android => true, // const-ness is added 627 "dladdr" if musl || solaris => true, // const-ness only added recently 628 629 // OSX has 'struct tm *const' which we can't actually represent in 630 // Rust, but is close enough to *mut 631 "timegm" if apple => true, 632 633 // OSX's daemon is deprecated in 10.5 so we'll get a warning (which 634 // we turn into an error) so just ignore it. 635 "daemon" if apple => true, 636 637 // Deprecated on OSX 638 "sem_destroy" if apple => true, 639 "sem_init" if apple => true, 640 641 // These functions presumably exist on netbsd but don't look like 642 // they're implemented on rumprun yet, just let them slide for now. 643 // Some of them look like they have headers but then don't have 644 // corresponding actual definitions either... 645 "shm_open" | 646 "shm_unlink" | 647 "syscall" | 648 "mq_open" | 649 "mq_close" | 650 "mq_getattr" | 651 "mq_notify" | 652 "mq_receive" | 653 "mq_send" | 654 "mq_setattr" | 655 "mq_timedreceive" | 656 "mq_timedsend" | 657 "mq_unlink" | 658 "ptrace" | 659 "sigaltstack" if rumprun => true, 660 661 // There seems to be a small error in EGLIBC's eventfd.h header. The 662 // [underlying system call][1] always takes its first `count` 663 // argument as an `unsigned int`, but [EGLIBC's <sys/eventfd.h> 664 // header][2] declares it to take an `int`. [GLIBC's header][3] 665 // matches the kernel. 666 // 667 // EGLIBC is no longer actively developed, and Debian, the largest 668 // distribution that had been using it, switched back to GLIBC in 669 // April 2015. So effectively all Linux <sys/eventfd.h> headers will 670 // be using `unsigned int` soon. 671 // 672 // [1]: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/fs/eventfd.c?id=refs/tags/v3.12.51#n397 673 // [2]: http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/eglibc/trusty/view/head:/sysdeps/unix/sysv/linux/sys/eventfd.h 674 // [3]: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/sys/eventfd.h;h=6295f32e937e779e74318eb9d3bdbe76aef8a8f3;hb=4e42b5b8f89f0e288e68be7ad70f9525aebc2cff#l34 675 "eventfd" if linux => true, 676 677 // The `uname` function in freebsd is now an inline wrapper that 678 // delegates to another, but the symbol still exists, so don't check 679 // the symbol. 680 "uname" if freebsd => true, 681 682 // FIXME: need to upgrade FreeBSD version; see https://github.com/rust-lang/libc/issues/938 683 "setgrent" if freebsd => true, 684 685 // aio_waitcomplete's return type changed between FreeBSD 10 and 11. 686 "aio_waitcomplete" if freebsd => true, 687 688 // lio_listio confuses the checker, probably because one of its 689 // arguments is an array 690 "lio_listio" if freebsd => true, 691 "lio_listio" if musl => true, 692 693 // Apparently the NDK doesn't have this defined on android, but 694 // it's in a header file? 695 "endpwent" if android => true, 696 697 698 // These are either unimplemented or optionally built into uClibc 699 // or "sysinfo", where it's defined but the structs in linux/sysinfo.h and sys/sysinfo.h 700 // clash so it can't be tested 701 "getxattr" | "lgetxattr" | "fgetxattr" | "setxattr" | "lsetxattr" | "fsetxattr" | 702 "listxattr" | "llistxattr" | "flistxattr" | "removexattr" | "lremovexattr" | 703 "fremovexattr" | 704 "backtrace" | 705 "sysinfo" | "newlocale" | "duplocale" | "freelocale" | "uselocale" | 706 "nl_langinfo_l" | "wcslen" | "wcstombs" if uclibc => true, 707 708 // Apparently res_init exists on Android, but isn't defined in a header: 709 // https://mail.gnome.org/archives/commits-list/2013-May/msg01329.html 710 "res_init" if android => true, 711 712 // On macOS and iOS, res_init is available, but requires linking with libresolv: 713 // http://blog.achernya.com/2013/03/os-x-has-silly-libsystem.html 714 // See discussion for skipping here: 715 // https://github.com/rust-lang/libc/pull/585#discussion_r114561460 716 "res_init" if apple => true, 717 718 // On Mac we don't use the default `close()`, instead using their $NOCANCEL variants. 719 "close" if apple => true, 720 721 // Definition of those functions as changed since unified headers from NDK r14b 722 // These changes imply some API breaking changes but are still ABI compatible. 723 // We can wait for the next major release to be compliant with the new API. 724 // FIXME: unskip these for next major release 725 "strerror_r" | "madvise" | "msync" | "mprotect" | "recvfrom" | "getpriority" | 726 "setpriority" | "personality" if android || solaris => true, 727 // In Android 64 bits, these functions have been fixed since unified headers. 728 // Ignore these until next major version. 729 "bind" | "writev" | "readv" | "sendmsg" | "recvmsg" if android && (aarch64 || x86_64) => true, 730 731 // signal is defined with sighandler_t, so ignore 732 "signal" if solaris => true, 733 734 "cfmakeraw" | "cfsetspeed" if solaris => true, 735 736 // FIXME: mincore is defined with caddr_t on Solaris. 737 "mincore" if solaris => true, 738 739 _ => false, 740 } 741 }); 742 743 cfg.skip_fn_ptrcheck(move |name| { 744 match name { 745 // dllimport weirdness? 746 _ if windows => true, 747 748 _ => false, 749 } 750 }); 751 752 cfg.skip_field_type(move |struct_, field| { 753 // This is a weird union, don't check the type. 754 (struct_ == "ifaddrs" && field == "ifa_ifu") || 755 // sighandler_t type is super weird 756 (struct_ == "sigaction" && field == "sa_sigaction") || 757 // __timeval type is a patch which doesn't exist in glibc 758 (linux && struct_ == "utmpx" && field == "ut_tv") || 759 // sigval is actually a union, but we pretend it's a struct 760 (struct_ == "sigevent" && field == "sigev_value") || 761 // aio_buf is "volatile void*" and Rust doesn't understand volatile 762 (struct_ == "aiocb" && field == "aio_buf") || 763 // stack_t.ss_sp's type changed from FreeBSD 10 to 11 in svn r294930 764 (freebsd && struct_ == "stack_t" && field == "ss_sp") || 765 // type siginfo_t.si_addr changed from OpenBSD 6.0 to 6.1 766 (openbsd && struct_ == "siginfo_t" && field == "si_addr") || 767 // this one is an anonymous union 768 (linux && struct_ == "ff_effect" && field == "u") 769 }); 770 771 cfg.skip_field(move |struct_, field| { 772 // this is actually a union on linux, so we can't represent it well and 773 // just insert some padding. 774 (struct_ == "siginfo_t" && field == "_pad") || 775 // musl names this __dummy1 but it's still there 776 (musl && struct_ == "glob_t" && field == "gl_flags") || 777 // musl seems to define this as an *anonymous* bitfield 778 (musl && struct_ == "statvfs" && field == "__f_unused") || 779 // sigev_notify_thread_id is actually part of a sigev_un union 780 (struct_ == "sigevent" && field == "sigev_notify_thread_id") 781 }); 782 783 cfg.fn_cname(move |name, cname| { 784 if windows { 785 cname.unwrap_or(name).to_string() 786 } else { 787 name.to_string() 788 } 789 }); 790 791 cfg.generate("../src/lib.rs", "main.rs"); 792 793 // On Linux or Android also generate another script for testing linux/fcntl declarations. 794 // These cannot be tested normally because including both `linux/fcntl.h` and `fcntl.h` 795 // fails on a lot of platforms. 796 let mut cfg = ctest::TestGenerator::new(); 797 cfg.skip_type(|_| true) 798 .skip_fn(|_| true); 799 if android || linux { 800 // musl defines these directly in `fcntl.h` 801 if musl { 802 cfg.header("fcntl.h"); 803 } else { 804 cfg.header("linux/fcntl.h"); 805 } 806 if !musl { 807 cfg.header("net/if.h"); 808 cfg.header("linux/if.h"); 809 } 810 cfg.header("linux/quota.h"); 811 cfg.header("asm/termbits.h"); 812 cfg.skip_const(move |name| { 813 match name { 814 "F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" => false, 815 "F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW" | "F_SEAL_WRITE" => false, 816 "QFMT_VFS_OLD" | "QFMT_VFS_V0" | "QFMT_VFS_V1" if mips && linux => false, 817 "BOTHER" => false, 818 _ => true, 819 } 820 }); 821 cfg.skip_struct(|s| { 822 s != "termios2" 823 }); 824 cfg.type_name(move |ty, is_struct, is_union| { 825 match ty { 826 t if is_struct => format!("struct {}", t), 827 t if is_union => format!("union {}", t), 828 t => t.to_string(), 829 } 830 }); 831 } else { 832 cfg.skip_const(|_| true); 833 cfg.skip_struct(|_| true); 834 } 835 cfg.generate("../src/lib.rs", "linux_fcntl.rs"); 836 } 837