[libc-commits] [libc] [libc] add ioctl (PR #141393)

Thu Jun 12 09:58:58 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `libc-riscv32-qemu-yocto-fullbuild-dbg` running on `rv32gc-qemu-system` while building `libc` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/196/builds/8972

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py ...' (failure)
...
[46/76] Generating header termios.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/termios.yaml
[47/65] Generating header features.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/features.yaml
[48/65] Generating header sys/socket.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/sys/socket.yaml
[49/63] Generating header stdckdint.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/stdckdint.yaml
[50/63] Generating header wchar.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/wchar.yaml
[51/63] Generating header complex.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/complex.yaml
[52/63] Generating header endian.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/endian.yaml
[53/63] Generating header sysexits.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/sysexits.yaml
[54/63] Generating header elf.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/elf.yaml
[55/63] Building CXX object libc/src/sys/ioctl/linux/CMakeFiles/libc.src.sys.ioctl.linux.ioctl.dir/ioctl.cpp.o
FAILED: libc/src/sys/ioctl/linux/CMakeFiles/libc.src.sys.ioctl.linux.ioctl.dir/ioctl.cpp.o 
/usr/local/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_21_0_0_git -D_DEBUG -I/home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/libc -isystem /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/build/libc/include -mabi=ilp32d -march=rv32imafdc --target=riscv32-unknown-linux-gnu --sysroot=/opt/riscv/sysroot --gcc-toolchain=/opt/riscv -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -std=gnu++17 --target=riscv32-unknown-linux-gnu -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_ADD_NULL_CHECKS -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -idirafter=/usr/include -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wdeprecated -Wno-c99-extensions -Wno-gnu-imaginary-constant -Wno-pedantic -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/sys/ioctl/linux/CMakeFiles/libc.src.sys.ioctl.linux.ioctl.dir/ioctl.cpp.o -MF libc/src/sys/ioctl/linux/CMakeFiles/libc.src.sys.ioctl.linux.ioctl.dir/ioctl.cpp.o.d -o libc/src/sys/ioctl/linux/CMakeFiles/libc.src.sys.ioctl.linux.ioctl.dir/ioctl.cpp.o -c /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/libc/src/sys/ioctl/linux/ioctl.cpp
/home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/libc/src/sys/ioctl/linux/ioctl.cpp:13:10: fatal error: 'src/errno/libc_errno.h' file not found
   13 | #include "src/errno/libc_errno.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[56/63] Generating header malloc.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/malloc.yaml
[57/63] Generating header strings.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/strings.yaml
[58/63] Generating header poll.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/poll.yaml
[59/63] Building CXX object libc/src/unistd/linux/CMakeFiles/libc.src.unistd.linux.isatty.dir/isatty.cpp.o
[60/63] Generating header stdbit.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/stdbit.yaml
[61/63] Generating header stdfix.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/stdfix.yaml
[62/63] Generating header math.h from /home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-project/runtimes/../libc/include/math.yaml
ninja: build stopped: subcommand failed.
['ninja', 'libc'] exited with return code 1.
The build step threw an exception...
Traceback (most recent call last):
  File "/home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 176, in step
    yield
  File "/home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 138, in main
    run_command(['ninja', 'libc'])
  File "/home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/build/../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py", line 191, in run_command
    util.report_run_cmd(cmd, cwd=directory)
  File "/home/libcrv32buildbot/bbroot/libc-riscv32-qemu-yocto-fullbuild-dbg/llvm-zorg/zorg/buildbot/builders/annotated/util.py", line 49, in report_run_cmd
    subprocess.check_call(cmd, shell=shell, *args, **kwargs)
  File "/usr/lib/python3.12/subprocess.py", line 413, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['ninja', 'libc']' returned non-zero exit status 1.
@@@STEP_FAILURE@@@
@@@BUILD_STEP build libc-startup@@@
Running: ninja libc-startup
ninja: no work to do.
@@@BUILD_STEP libc-unit-tests@@@
Running: ninja libc-unit-tests
[1/1016] Building CXX object libc/src/unistd/linux/CMakeFiles/libc.src.unistd.linux.isatty.__internal__.dir/isatty.cpp.o
[2/1016] Linking CXX executable libc/test/src/unistd/libc.test.src.unistd.isatty_test.__build__
[3/1016] Running unit test libc.test.src.__support.CPP.array_test.__unit__
sh: line 1: /timer.20895: Permission denied
[==========] Running 2 tests from 1 test suite.

```

</details>

https://github.com/llvm/llvm-project/pull/141393