Issues

• pthread_condattr_setclockfunction missing for l4re target

  C-API-request
  rust-lang/libc#5628 · Filter by author Wyvern opened on Oct 12, 2026

• Linux siginfo_t is not Send/Sync since 0.2.190

  rust-lang/libc#5624 · Filter by author dtolnay opened on Oct 11, 2026
  7

• libc-test: some semver files are never checked

  rust-lang/libc#5622 · Filter by author Deepak-negi11 opened on Oct 11, 2026
  1

• Removal of newlib/powerpc bindings breaks devkitPPC projects

  C-bug
  rust-lang/libc#5602 · Filter by author FrictionlessPortals opened on Oct 4, 2026

• 0.2.190: _dyld_image_count and the other dyld image functions are now macOS-only, breaking backtrace on iOS

  rust-lang/libc#5601 · Filter by author dev-juju opened on Oct 4, 2026
  5

• CI: libc-test no longer checks that function signatures are correct

  C-bug
  rust-lang/libc#5574 · Filter by author japaric opened on Sep 29, 2026
  3

• Receive IDs in QNX 8 are 64-bit integers

  C-API-request
  rust-lang/libc#5552 · Filter by author elahav opened on Sep 21, 2026
  1

• Verify how to represent arrays in function signatures

  ctest
  rust-lang/libc#5536 · Filter by author tgross35 opened on Sep 19, 2026 · 1.0
  2

• KINFO_FILE_SIZE is missing in libc on arm64

  C-API-request
  rust-lang/libc#5535 · Filter by author yurivict opened on Sep 18, 2026
  2

• Redox CI failure

  rust-lang/libc#5520 · Filter by author xtqqczze opened on Sep 10, 2026

• Tracking issue: Supporting 64-bit time_t on 32-bit platforms

  rust-lang/libc#5507 · Filter by author tgross35 opened on Sep 7, 2026 · 1.0
  13

• ctest: allow testing individual modules

  ctest
  rust-lang/libc#5457 · Filter by author dybucc opened on Sep 1, 2026

• Dependency Dashboard

  rust-lang/libc#5419 · Filter by author forking-renovate opened on Aug 18, 2026
  1

• Remove posix_spawn* on tvOS and watchOS?

  C-bugO-macos
  rust-lang/libc#5410 · Filter by author madsmtm opened on Aug 13, 2026
  6

  

• Remove getentropy on iOS/tvOS/watchOS/visionOS?

  C-bugO-macos
  rust-lang/libc#5409 · Filter by author madsmtm opened on Aug 13, 2026
  1

  

• All function pointer types should be Option<unsafe extern "C" fn(...) -> ...>

  rust-lang/libc#5392 · Filter by author tgross35 opened on Aug 10, 2026 · 1.0
  1

• ctest: Support flexible array members

  ctest
  rust-lang/libc#5369 · Filter by author tgross35 opened on Aug 4, 2026
  1

• ctest: Check public API in modules

  ctest
  rust-lang/libc#5365 · Filter by author tgross35 opened on Aug 4, 2026
  2

• ctest support for conflicting headers

  ctest
  rust-lang/libc#5344 · Filter by author tgross35 opened on Jul 31, 2026
  13

• memchr signature invites mutability bugs

  rust-lang/libc#5276 · Filter by author RalfJung opened on Jul 12, 2026
  10

• 1.0: Remove all instances of link(name = ...) and delete the std feature

  rust-lang/libc#5265 · Filter by author tgross35 opened on Jul 9, 2026 · 1.0
  3

• CI: Replace deprecated Android emulator with Cuttlefish

  rust-lang/libc#5262 · Filter by author 10ne1 opened on Jul 8, 2026
  5

• ctest: Allow crate_path in TestGenerator::generate_files to be either a Cargo.toml or a .rs

  ctest
  rust-lang/libc#5238 · Filter by author tgross35 opened on Jul 1, 2026

• termios: support arbitrary baud rates with glibc 2.42+ on Linux

  C-API-requestS-blocked
  rust-lang/libc#5230 · Filter by author decathorpe opened on Jun 28, 2026 · 1.x
  1

• Windows MSVC/GNU function pointer check issues

  rust-lang/libc#5227 · Filter by author dybucc opened on Jun 28, 2026
  17