[0.2] Backports

cherry-pick-stable.sh

@@ -0,0 +1,150 @@
+#!/bin/bash
+
+set -e
+
+# Parse arguments
+DRY_RUN=false
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        --dry-run|-d)
+            DRY_RUN=true
+            shift
+            ;;
+        --help|-h)
+            echo "Usage: $0 [OPTIONS]"
+            echo ""
+            echo "Cherry-pick commits from PRs labeled 'stable-nominated' to current branch"
+            echo ""
+            echo "Options:"
+            echo "  -d, --dry-run    Show what would be done without making changes"
+            echo "  -h, --help       Show this help message"
+            exit 0
+            ;;
+        *)
+            echo "Unknown option: $1"
+            echo "Use --help for usage information"
+            exit 1
+            ;;
+    esac
+done
+
+if [ "$DRY_RUN" = true ]; then
+    echo "[DRY RUN MODE - No changes will be made]"
+    echo ""
+fi
+
+current_branch=$(git branch --show-current)
+echo "Current branch: $current_branch"
+echo "Fetching PRs with 'stable-nominated' label..."
+echo ""
+
+# Get PRs with stable-nominated label that are merged
+# Sort by merge date (oldest first) to preserve merge order and avoid conflicts
+# Format: PR number, title, merge commit SHA
+prs=$(gh pr list --state merged --label stable-nominated --json number,title,mergeCommit,mergedAt --jq 'sort_by(.mergedAt) | .[] | "\(.number)|\(.title)|\(.mergeCommit.oid)"')
+
+if [ -z "$prs" ]; then
+    echo "No PRs found with 'stable-nominated' label."
+    exit 0
+fi
+
+# Arrays to track results
+declare -a successful
+declare -a failed
+declare -a skipped
+
+echo "Found PRs to cherry-pick:"
+echo ""
+
+# Process each PR
+while IFS='|' read -r pr_number title commit_sha; do
+    echo "----------------------------------------"
+    echo "PR #${pr_number}: ${title}"
+    echo "Commit: ${commit_sha}"
+
+    # Check if commit already exists in current branch
+    if git branch --contains "$commit_sha" 2>/dev/null | grep -q "^\*"; then
+        echo "⏭  Already cherry-picked, skipping"
+        skipped+=("PR #${pr_number}: ${title}")
+        echo ""
+        continue
+    fi
+
+    # Cherry-pick with -xe flags as specified
+    if [ "$DRY_RUN" = true ]; then
+        echo "Would cherry-pick with: git cherry-pick -xe $commit_sha"
+        echo "Would add backport note: (backport https://github.com/rust-lang/libc/pull/$pr_number)"
+        successful+=("PR #${pr_number}: ${title} (${commit_sha:0:8})")
+    else
+        if git cherry-pick -xe "$commit_sha" 2>&1; then
+            # Add backport note before the cherry-pick note as per CONTRIBUTING.md
+            current_msg=$(git log -1 --format=%B)
+            backport_line="(backport https://github.com/rust-lang/libc/pull/$pr_number)"
+
+            # Insert backport line before "(cherry picked from commit" line
+            new_msg=$(echo "$current_msg" | sed "/^(cherry picked from commit/i\\
+$backport_line\\
+")
+
+            # Amend the commit with the new message
+            git commit --amend -m "$new_msg"
+
+            echo "✓ Successfully cherry-picked with backport note"
+            successful+=("PR #${pr_number}: ${title} (${commit_sha:0:8})")
+        else
+            echo "✗ Failed to cherry-pick"
+            failed+=("PR #${pr_number}: ${title} (${commit_sha:0:8})")
+            # Abort the failed cherry-pick
+            git cherry-pick --abort 2>/dev/null || true
+        fi
+    fi
+    echo ""
+done <<< "$prs"
+
+# Print summary
+echo "========================================"
+if [ "$DRY_RUN" = true ]; then
+    echo "SUMMARY (DRY RUN)"
+else
+    echo "SUMMARY"
+fi
+echo "========================================"
+echo ""
+
+if [ ${#successful[@]} -gt 0 ]; then
+    if [ "$DRY_RUN" = true ]; then
+        echo "Would cherry-pick (${#successful[@]}):"
+    else
+        echo "Successfully cherry-picked (${#successful[@]}):"
+    fi
+    for item in "${successful[@]}"; do
+        echo "  ✓ $item"
+    done
+    echo ""
+fi
+
+if [ ${#skipped[@]} -gt 0 ]; then
+    echo "Skipped (${#skipped[@]}):"
+    for item in "${skipped[@]}"; do
+        echo "  ⏭  $item"
+    done
+    echo ""
+fi
+
+if [ ${#failed[@]} -gt 0 ]; then
+    echo "Failed (${#failed[@]}):"
+    for item in "${failed[@]}"; do
+        echo "  ✗ $item"
+    done
+    echo ""
+    if [ "$DRY_RUN" = false ]; then
+        echo "Please resolve conflicts manually and re-run if needed."
+    fi
+    exit 1
+fi
+
+if [ "$DRY_RUN" = true ]; then
+    echo "Dry run complete! Run without --dry-run to apply changes."
+else
+    echo "All done!"
+fi

libc-test/build.rs

@@ -553,6 +553,7 @@ fn test_openbsd(target: &str) {
         "sys/syscall.h",
         "sys/shm.h",
         "sys/param.h",
+        "sys/auxv.h",
     }
 
     cfg.rename_type(|ty| match ty {

libc-test/semver/apple.txt

@@ -1451,6 +1451,7 @@ TIOCEXCL
 TIOCEXT
 TIOCFLUSH
 TIOCGDRAINWAIT
+TIOCGETA
 TIOCGETD
 TIOCGPGRP
 TIOCIXOFF
@@ -1495,6 +1496,9 @@ TIOCSCONS
 TIOCSCTTY
 TIOCSDRAINWAIT
 TIOCSDTR
+TIOCSETA
+TIOCSETAF
+TIOCSETAW
 TIOCSETD
 TIOCSIG
 TIOCSPGRP
@@ -2198,6 +2202,7 @@ pthread_attr_setschedpolicy
 pthread_attr_setscope
 pthread_attr_setstackaddr
 pthread_cancel
+pthread_cond_timedwait_relative_np
 pthread_condattr_getpshared
 pthread_condattr_setpshared
 pthread_cpu_number_np

libc-test/semver/dragonfly.txt

@@ -1128,6 +1128,7 @@ WTRAPPED
 XUCRED_VERSION
 YESEXPR
 YESSTR
+_CS_PATH
 _IOFBF
 _IOLBF
 _IONBF

libc-test/semver/freebsd.txt

@@ -1724,6 +1724,7 @@ XUCRED_VERSION
 XU_NGROUPS
 YESEXPR
 YESSTR
+_CS_PATH
 _IOFBF
 _IOLBF
 _IONBF

libc-test/semver/linux-mips.txt

@@ -9,6 +9,7 @@ PTRACE_GETREGS
 PTRACE_SETFPREGS
 PTRACE_SETFPXREGS
 PTRACE_SETREGS
+SIGEMT
 SO_PRIORITY
 SO_PROTOCOL
 SYS__sysctl

libc-test/semver/linux-sparc64.txt

@@ -20,6 +20,7 @@ MAP_SYNC
 PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
 PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
 PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
+SIGEMT
 SYS__llseek
 SYS__newselect
 SYS__sysctl

libc-test/semver/netbsd.txt

@@ -1127,6 +1127,7 @@ XATTR_CREATE
 XATTR_REPLACE
 YESEXPR
 YESSTR
+_CS_PATH
 _IO
 _IOC
 _IOFBF

libc-test/semver/openbsd.txt

@@ -63,6 +63,11 @@ ATF_PUBL
 ATF_USETRAILERS
 AT_EACCESS
 AT_FDCWD
+AT_HWCAP
+AT_HWCAP2
+AT_IGNORE
+AT_NULL
+AT_PAGESZ
 AT_REMOVEDIR
 AT_SYMLINK_FOLLOW
 AT_SYMLINK_NOFOLLOW
@@ -921,6 +926,7 @@ WSTOPPED
 WTRAPPED
 YESEXPR
 YESSTR
+_CS_PATH
 _IO
 _IOC
 _IOFBF
@@ -1094,6 +1100,7 @@ dl_phdr_info
 drand48
 dup3
 duplocale
+elf_aux_info
 endgrent
 endpwent
 endservent

libc-test/semver/redox.txt

@@ -251,8 +251,27 @@ _PC_SOCK_MAXBUF
 _PC_SYMLINK_MAX
 _PC_SYNC_IO
 _POSIX_VDISABLE
+_SC_ARG_MAX
+_SC_CHILD_MAX
+_SC_CLK_TCK
+_SC_GETGR_R_SIZE_MAX
+_SC_GETPW_R_SIZE_MAX
+_SC_HOST_NAME_MAX
 _SC_LOGIN_NAME_MAX
+_SC_NGROUPS_MAX
+_SC_NPROCESSORS_CONF
+_SC_NPROCESSORS_ONLN
+_SC_OPEN_MAX
+_SC_PAGESIZE
+_SC_PAGE_SIZE
+_SC_REALTIME_SIGNALS
 _SC_RE_DUP_MAX
+_SC_SIGQUEUE_MAX
+_SC_STREAM_MAX
+_SC_SYMLOOP_MAX
+_SC_TTY_NAME_MAX
+_SC_TZNAME_MAX
+_SC_VERSION
 __WALL
 __WCLONE
 __WNOTHREAD

libc-test/semver/windows.txt

@@ -348,6 +348,7 @@ utimbuf
 wchar_t
 wchmod
 wcslen
+wcsnlen
 wcstombs
 wexecl
 wexecle

src/unix/bsd/apple/mod.rs

@@ -3341,6 +3341,10 @@ pub const TIOCDSIMICROCODE: c_uint = 0x20007455;
 pub const TIOCPTYGRANT: c_uint = 0x20007454;
 pub const TIOCPTYGNAME: c_uint = 0x40807453;
 pub const TIOCPTYUNLK: c_uint = 0x20007452;
+pub const TIOCGETA: c_ulong = 0x40487413;
+pub const TIOCSETA: c_ulong = 0x80487414;
+pub const TIOCSETAW: c_ulong = 0x80487415;
+pub const TIOCSETAF: c_ulong = 0x80487416;
 
 pub const BIOCGRSIG: c_ulong = 0x40044272;
 pub const BIOCSRSIG: c_ulong = 0x80044273;
@@ -5380,6 +5384,11 @@ extern "C" {
     pub fn mach_host_self() -> mach_port_t;
     #[deprecated(since = "0.2.55", note = "Use the `mach2` crate instead")]
     pub fn mach_thread_self() -> mach_port_t;
+    pub fn pthread_cond_timedwait_relative_np(
+        cond: *mut pthread_cond_t,
+        lock: *mut pthread_mutex_t,
+        timeout: *const crate::timespec,
+    ) -> c_int;
     pub fn pthread_once(
         once_control: *mut crate::pthread_once_t,
         init_routine: Option<unsafe extern "C" fn()>,

src/unix/bsd/freebsdlike/dragonfly/mod.rs

@@ -1359,6 +1359,8 @@ pub const VCHECKPT: usize = 19;
 pub const _PC_2_SYMLINKS: c_int = 22;
 pub const _PC_TIMESTAMP_RESOLUTION: c_int = 23;
 
+pub const _CS_PATH: c_int = 1;
+
 pub const _SC_V7_ILP32_OFF32: c_int = 122;
 pub const _SC_V7_ILP32_OFFBIG: c_int = 123;
 pub const _SC_V7_LP64_OFF64: c_int = 124;

src/unix/bsd/freebsdlike/mod.rs

@@ -1197,6 +1197,8 @@ pub const _SC_RAW_SOCKETS: c_int = 119;
 pub const _SC_SYMLOOP_MAX: c_int = 120;
 pub const _SC_PHYS_PAGES: c_int = 121;
 
+pub const _CS_PATH: c_int = 1;
+
 pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = ptr::null_mut();
 pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = ptr::null_mut();
 pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = ptr::null_mut();

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -1613,6 +1613,8 @@ pub const _PC_2_SYMLINKS: c_int = 13;
 pub const _PC_ACL_EXTENDED: c_int = 14;
 pub const _PC_MIN_HOLE_SIZE: c_int = 15;
 
+pub const _CS_PATH: c_int = 1;
+
 pub const _SC_SYNCHRONIZED_IO: c_int = 31;
 pub const _SC_IOV_MAX: c_int = 32;
 pub const _SC_MAPPED_FILES: c_int = 33;

src/unix/bsd/netbsdlike/openbsd/mod.rs

@@ -1041,6 +1041,12 @@ pub const AT_SYMLINK_NOFOLLOW: c_int = 0x02;
 pub const AT_SYMLINK_FOLLOW: c_int = 0x04;
 pub const AT_REMOVEDIR: c_int = 0x08;
 
+pub const AT_NULL: c_int = 0;
+pub const AT_IGNORE: c_int = 1;
+pub const AT_PAGESZ: c_int = 6;
+pub const AT_HWCAP: c_int = 25;
+pub const AT_HWCAP2: c_int = 26;
+
 #[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
 pub const RLIM_NLIMITS: c_int = 9;
 
@@ -1219,6 +1225,8 @@ pub const _PC_SYMLINK_MAX: c_int = 19;
 pub const _PC_SYNC_IO: c_int = 20;
 pub const _PC_TIMESTAMP_RESOLUTION: c_int = 21;
 
+pub const _CS_PATH: c_int = 1;
+
 pub const _SC_CLK_TCK: c_int = 3;
 pub const _SC_SEM_NSEMS_MAX: c_int = 31;
 pub const _SC_SEM_VALUE_MAX: c_int = 32;
@@ -2091,6 +2099,8 @@ extern "C" {
     pub fn fstatfs(fd: c_int, buf: *mut statfs) -> c_int;
     pub fn getmntinfo(mntbufp: *mut *mut crate::statfs, flags: c_int) -> c_int;
     pub fn getfsstat(buf: *mut statfs, bufsize: size_t, flags: c_int) -> c_int;
+
+    pub fn elf_aux_info(aux: c_int, buf: *mut c_void, buflen: c_int) -> c_int;
 }
 
 #[link(name = "execinfo")]

src/unix/linux_like/linux/gnu/b32/mips/mod.rs

@@ -768,6 +768,7 @@ pub const SOCK_DGRAM: c_int = 1;
 pub const SA_SIGINFO: c_int = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;

src/unix/linux_like/linux/gnu/b32/sparc/mod.rs

@@ -316,6 +316,7 @@ pub const SOCK_DGRAM: c_int = 2;
 pub const SA_SIGINFO: c_int = 0x200;
 pub const SA_NOCLDWAIT: c_int = 0x100;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGTTIN: c_int = 21;
 pub const SIGTTOU: c_int = 22;
 pub const SIGXCPU: c_int = 24;

src/unix/linux_like/linux/gnu/b64/mips64/mod.rs

@@ -757,6 +757,7 @@ pub const SA_ONSTACK: c_int = 0x08000000;
 pub const SA_SIGINFO: c_int = 0x00000008;
 pub const SA_NOCLDWAIT: c_int = 0x00010000;
 
+pub const SIGEMT: c_int = 7;
 pub const SIGCHLD: c_int = 18;
 pub const SIGBUS: c_int = 10;
 pub const SIGTTIN: c_int = 26;