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This PR contains the following updates:

Package	Type	Update	Change
libc	workspace.dependencies	patch	0.2.175 -> 0.2.176

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Release Notes

rust-lang/libc (libc)

v0.2.176

Compare Source

Support

• The default FreeBSD version has been raised from 11 to 12. This matches rustc since 1.78. (#​2406)
• Debug is now always implemented, rather than being gated behind the extra_traits feature. (#​4624)

Added

• AIX: Restore some non-POSIX functions guarded by the _KERNEL macro. (#​4607)
• FreeBSD 14: Add st_fileref to struct stat (#​4642)
• Haiku: Add the accept4 POSIX call (#​4586)
• Introduce a wrapper for representing padding (#​4632)
• Linux: Add EM_RISCV (#​4659)
• Linux: Add MS_NOSYMFOLLOW (#​4389)
• Linux: Add backtrace_symbols(_fd) (#​4668)
• Linux: Add missing SOL_PACKET optnames (#​4669)
• Musl s390x: Add SYS_mseal (#​4549)
• NuttX: Add __errno (#​4687)
• Redox: Add dirfd, VDISABLE, and resource consts (#​4660)
• Redox: Add more resource.h, fcntl.h constants (#​4666)
• Redox: Enable strftime and mkostemp[s] (#​4629)
• Unix, Windows: Add qsort_r (Unix), and qsort(_s) (Windows) (#​4677)
• Unix: Add dlvsym for Linux-gnu, FreeBSD, and NetBSD (#​4671)
• Unix: Add sigqueue (#​4620)

Changed

• FreeBSD 15: Mark kinfo_proc as non-exhaustive (#​4553)
• FreeBSD: Set the ELF symbol version for readdir_r (#​4694)
• Linux: Correct the config for whether or not epoll_event is packed (#​4639)
• Tests: Replace the old ctest with the much more reliable new implementation (#​4655 and many related PRs)

Fixed

• AIX: Fix the type of the 4th arguement of getgrnam_r ([#​4656](#​4656
• FreeBSD: Limit P_IDLEPROC to FreeBSD 15 (#​4640)
• FreeBSD: Limit mcontext_t::mc_tlsbase to FreeBSD 15 (#​4640)
• FreeBSD: Update gating of mcontext_t.mc_tlsbase (#​4703)
• Musl s390x: Correct the definition of statfs[64] (#​4549)
• Musl s390x: Make fpreg_t a union (#​4549)
• Redox: Fix the types of gid_t and uid_t (#​4689)
• Redox: Fix the value of MAP_FIXED (#​4684)

Deprecated

• Apple: Correct the deprecated attribute for iconv (a97a0b53)
• FreeBSD: Deprecate TIOCMGDTRWAIT and TIOCMSDTRWAIT (#​4685)

Removed

• FreeBSD: Remove JAIL_{GET,SET}_MASK, _MC_FLAG_MASK (#​4691)

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