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Support the timerfd API on FreeBSD. #978

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Support the timerfd API on FreeBSD. #978

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FreeBSD has recently added support for Linux's timerfd API. Enable rustix's timerfd API on FreeBSD as well.

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This depends on rust-lang/libc#3506.

@sunfishcode sunfishcode marked this pull request as draft December 29, 2023 16:37
@sunfishcode sunfishcode mentioned this pull request Dec 29, 2023
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@sunfishcode sunfishcode force-pushed the sunfishcode/freebsd-timerfd branch 2 times, most recently from 6236b53 to ac02ae5 Compare January 11, 2024 16:59
@sunfishcode sunfishcode marked this pull request as ready for review January 11, 2024 16:59
@sunfishcode sunfishcode marked this pull request as draft January 11, 2024 20:35
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This is failing on FreeBSD with:

error: linking with `cc` failed: exit status: 1
  |
  = note: LC_ALL="C" PATH="/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/bin://.cargo/bin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustczpR8VD/symbols.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.139lfgpbdkhqqmdo.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.15p1tzoz9qlnt3bq.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.18q957d26miain23.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1963fsa1j92p5a33.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1dgv6s9ojlg1gqqa.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1dydp6g46s4ych55.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1eiwsbncc7xyb3q.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1g3w4oc04fvmsh27.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1kwdffwuz1fmve7a.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1l1u5seezzyh3v93.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1mfnfxnv9zl3h35u.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1mhqzq957509f0xc.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1o7kwx1tb1mht5sj.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.1sowfu3jurehyhzm.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.29dj0ueyu0lxdlbz.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2ak30tkfdykem731.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2avz09vpks4snjr3.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2az700sl0zy52txn.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2ibgzxabyi4wam1t.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2rtegb4istvv2fhb.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2umulpboukqbdgog.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2vrxqg6xvihj7may.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2xiq1h8jorvyoxvw.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.2zs9uf3o6z49z86e.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.322ujb691cqoifhd.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.32q5ot2ag0958v1.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.35p53vtzbzffckr.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.3d6bx0pd0hxlohgb.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.3elxd8djh620jp85.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.3g5gavauqjl61e36.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.3hy8p52td0ti42y2.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.3l5fimw2r61lgn20.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.3qwji58blzsosfxp.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.46h4o60ujfptctji.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.49phjpftbge0z0ox.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4ec2vio8hyxp5c98.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4geugc88wez5qdv.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4krll260jmk08tfe.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4oaxfpba2w0lak6q.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4ojdfc5jtvcsheqg.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4salya8mrv1webma.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4uv7fqxx9qcyg4a6.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.4zlw8ftxs5occ28e.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.56vkt0mf0q7aexro.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.57jutiupq2qfkbz8.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.5e3uop3mbcmmfww5.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.7jmrke0avrouqqu.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.7pwa7xbrkdta6qy.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.byhn1wf26z6qmth.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.dmswdu8ricpzblv.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.ds1rzz997cwgztw.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.fd7qu64pd5swc1l.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.ict6s2t2hu7z1zd.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.o967wsfqrvcmqaq.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.oqq5xnzs2urymfo.rcgu.o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9.399j9g6yuzztjepo.rcgu.o" "-Wl,--as-needed" "-L" "/tmp/cirrus-ci-build/target/debug/deps" "-L" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib" "-Wl,-Bstatic" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libtest-9531ab6f4defe7d3.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libgetopts-aec337e71e9b3b6c.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libunicode_width-0553d19e8f27aefc.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/librustc_std_workspace_std-f82d0a6256584235.rlib" "/tmp/cirrus-ci-build/target/debug/deps/librustix-2dfb775e25876807.rlib" "/tmp/cirrus-ci-build/target/debug/deps/libitoa-4afeac15cde65a97.rlib" "/tmp/cirrus-ci-build/target/debug/deps/liberrno-bd77780a506e0d0b.rlib" "/tmp/cirrus-ci-build/target/debug/deps/libbitflags-bb0ba36f6f40c1df.rlib" "/tmp/cirrus-ci-build/target/debug/deps/liblibc-03c4332a31c83022.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libstd-0d6964a847d65faf.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libpanic_unwind-8efc99ad55c82a5f.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libobject-af9806ed9ecba529.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libmemchr-41a7571ab28423af.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libaddr2line-70ef4e5cbc6c1f57.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libgimli-86cd0731a548ff19.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/librustc_demangle-07e138f618d7ec85.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libstd_detect-5f9230f5aa9a510a.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libhashbrown-51f769e72f79a229.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/librustc_std_workspace_alloc-1c738da014ae4394.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libminiz_oxide-fc464bf8dab9ab96.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libadler-54d69bc6178e3b45.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libunwind-0ad5fa639536d228.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libcfg_if-137bdb893293f6c2.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/liblibc-2a7dee2d5af6d62a.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/liballoc-2c0247338c2ff708.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/librustc_std_workspace_core-cfc5f31e215c9308.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libcore-6913833f09e2a106.rlib" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib/libcompiler_builtins-a1048af6214be916.rlib" "-Wl,-Bdynamic" "-lrt" "-lutil" "-lexecinfo" "-lkvm" "-lmemstat" "-lkvm" "-lutil" "-lprocstat" "-lrt" "-ldevstat" "-lexecinfo" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lrt" "-lutil" "-lexecinfo" "-lkvm" "-lmemstat" "-lkvm" "-lutil" "-lprocstat" "-lrt" "-ldevstat" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/.rustup/toolchains/stable-x86_64-unknown-freebsd/lib/rustlib/x86_64-unknown-freebsd/lib" "-o" "/tmp/cirrus-ci-build/target/debug/deps/time-1964614b6a1ef6f9" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
  = note: ld: error: undefined symbol: timerfd_create
          >>> referenced by syscalls.rs:284 (src/backend/libc/time/syscalls.rs:284)
          >>>               rustix-2dfb775e25876807.3mck5smmlo70tska.rcgu.o:(rustix::backend::time::syscalls::timerfd_create::h8d17af26c77400ea) in archive /tmp/cirrus-ci-build/target/debug/deps/librustix-2dfb775e25876807.rlib
          
          ld: error: undefined symbol: timerfd_settime
          >>> referenced by syscalls.rs:318 (src/backend/libc/time/syscalls.rs:318)
          >>>               rustix-2dfb775e25876807.3mck5smmlo70tska.rcgu.o:(rustix::backend::time::syscalls::timerfd_settime::h3d8703122c817515) in archive /tmp/cirrus-ci-build/target/debug/deps/librustix-2dfb775e25876807.rlib
          
          ld: error: undefined symbol: timerfd_gettime
          >>> referenced by syscalls.rs:418 (src/backend/libc/time/syscalls.rs:418)
          >>>               rustix-2dfb775e25876807.3mck5smmlo70tska.rcgu.o:(rustix::backend::time::syscalls::timerfd_gettime::hb99d751eb7dfea2d) in archive /tmp/cirrus-ci-build/target/debug/deps/librustix-2dfb775e25876807.rlib
          cc: error: linker command failed with exit code 1 (use -v to see invocation)

@sunfishcode
Support the timerfd API on FreeBSD.
c638fea 
FreeBSD has recently added support for Linux's timerfd API. Enable
rustix's timerfd API on FreeBSD as well.
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