[0.2] Backports

.github/workflows/ci.yaml

@@ -232,7 +232,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: test on Solaris
-        uses: vmactions/solaris-vm@v1
+        uses: vmactions/solaris-vm@v1.1.3
         with:
           release: "11.4-gcc"
           usesh: true

Cargo.toml

@@ -1,21 +1,16 @@
 [package]
 name = "libc"
 version = "0.2.172"
-authors = ["The Rust Project Developers"]
-license = "MIT OR Apache-2.0"
-readme = "README.md"
-edition = "2021"
-repository = "https://github.com/rust-lang/libc"
-homepage = "https://github.com/rust-lang/libc"
-documentation = "https://docs.rs/libc/"
 keywords = ["libc", "ffi", "bindings", "operating", "system"]
 categories = ["external-ffi-bindings", "no-std", "os"]
-build = "build.rs"
 exclude = ["/ci/*", "/.github/*", "/.cirrus.yml", "/triagebot.toml"]
+description = "Raw FFI bindings to platform libraries like libc."
+publish = false # On the main branch, we don't want to publish anything
+authors = ["The Rust Project Developers"]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/rust-lang/libc"
 rust-version = "1.63"
-description = """
-Raw FFI bindings to platform libraries like libc.
-"""
 
 [package.metadata.docs.rs]
 features = ["extra_traits"]

build.rs

@@ -241,7 +241,13 @@ fn which_freebsd() -> Option<i32> {
 }
 
 fn emcc_version_code() -> Option<u64> {
-    let output = Command::new("emcc").arg("-dumpversion").output().ok()?;
+    let emcc = if cfg!(target_os = "windows") {
+        "emcc.bat"
+    } else {
+        "emcc"
+    };
+
+    let output = Command::new(emcc).arg("-dumpversion").output().ok()?;
     if !output.status.success() {
         return None;
     }

libc-test/Cargo.toml

@@ -1,16 +1,12 @@
 [package]
 name = "libc-test"
-version = "0.2.155"
-edition = "2021"
+version = "0.1.0"
+description = "A test crate for the libc crate."
+publish = false
 authors = ["The Rust Project Developers"]
+edition = "2021"
 license = "MIT OR Apache-2.0"
-build = "build.rs"
-publish = false
 repository = "https://github.com/rust-lang/libc"
-homepage = "https://github.com/rust-lang/libc"
-description = """
-A test crate for the libc crate.
-"""
 
 [dependencies]
 cfg-if = "1.0.0"

libc-test/build.rs

@@ -4123,6 +4123,10 @@ fn test_linux(target: &str) {
             // Might differ between kernel versions
             "open_how" => true,
 
+            // Linux >= 6.13 (pidfd_info.exit_code: Linux >= 6.15)
+            // Might differ between kernel versions
+            "pidfd_info" => true,
+
             "sctp_initmsg" | "sctp_sndrcvinfo" | "sctp_sndinfo" | "sctp_rcvinfo"
             | "sctp_nxtinfo" | "sctp_prinfo" | "sctp_authinfo" => true,
 
@@ -4229,6 +4233,7 @@ fn test_linux(target: &str) {
                 || name.starts_with("OPEN_TREE_")
                 || name.starts_with("P_")
                 || name.starts_with("PF_")
+                || name.starts_with("PIDFD_")
                 || name.starts_with("RLIMIT_")
                 || name.starts_with("RTEXT_FILTER_")
                 || name.starts_with("SOL_")
@@ -4297,6 +4302,10 @@ fn test_linux(target: &str) {
             if loongarch64 && (name == "MFD_NOEXEC_SEAL" || name == "MFD_EXEC") {
                 return true;
             }
+            // FIXME: Requires >= 6.3 (6.6) kernel headers
+            if name == "PR_GET_MDWE" || name == "PR_MDWE_NO_INHERIT" || name == "PR_MDWE_REFUSE_EXEC_GAIN" || name == "PR_SET_MDWE" {
+                return true;
+            }
             // FIXME(musl): Requires musl >= 1.2
             if name == "SO_PREFER_BUSY_POLL"
                 || name == "SO_BUSY_POLL_BUDGET"
@@ -4432,6 +4441,30 @@ fn test_linux(target: &str) {
 
             // headers conflicts with linux/pidfd.h
             "PIDFD_NONBLOCK" => true,
+            // Linux >= 6.9
+            "PIDFD_THREAD"
+            | "PIDFD_SIGNAL_THREAD"
+            | "PIDFD_SIGNAL_THREAD_GROUP"
+            | "PIDFD_SIGNAL_PROCESS_GROUP" => true,
+            // Linux >= 6.11
+            "PIDFD_GET_CGROUP_NAMESPACE"
+            | "PIDFD_GET_IPC_NAMESPACE"
+            | "PIDFD_GET_MNT_NAMESPACE"
+            | "PIDFD_GET_NET_NAMESPACE"
+            | "PIDFD_GET_PID_NAMESPACE"
+            | "PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE"
+            | "PIDFD_GET_TIME_NAMESPACE"
+            | "PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE"
+            | "PIDFD_GET_USER_NAMESPACE"
+            | "PIDFD_GET_UTS_NAMESPACE" => true,
+            // Linux >= 6.13
+            "PIDFD_GET_INFO"
+            | "PIDFD_INFO_PID"
+            | "PIDFD_INFO_CREDS"
+            | "PIDFD_INFO_CGROUPID"
+            | "PIDFD_INFO_SIZE_VER0" => true,
+            // Linux >= 6.15
+            "PIDFD_INFO_EXIT" | "PIDFD_SELF" | "PIDFD_SELF_PROCESS" => true,
 
             // is a private value for kernel usage normally
             "FUSE_SUPER_MAGIC" => true,
@@ -4554,6 +4587,9 @@ fn test_linux(target: &str) {
                 true
             }
 
+            // FIXME(linux): Requires >= 6.6 kernel headers.
+            "PR_MDWE_NO_INHERIT" => true,
+
             // FIXME(linux): Requires >= 6.8 kernel headers.
             "XDP_UMEM_TX_SW_CSUM"
             | "XDP_TXMD_FLAGS_TIMESTAMP"
@@ -4851,7 +4887,9 @@ fn test_linux(target: &str) {
         (struct_ == "statvfs" && field == "__f_spare") ||
         (struct_ == "statvfs64" && field == "__f_spare") ||
         // the `xsk_tx_metadata_union` field is an anonymous union
-        (struct_ == "xsk_tx_metadata" && field == "xsk_tx_metadata_union")
+        (struct_ == "xsk_tx_metadata" && field == "xsk_tx_metadata_union") ||
+        // FIXME(musl): After musl 1.2.0, the type becomes `int` instead of `long`.
+        (struct_ == "utmpx" && field == "ut_session")
     });
 
     cfg.skip_roundtrip(move |s| match s {

libc-test/semver/linux-musl.txt

@@ -28,7 +28,6 @@ OLD_TIME
 PF_IB
 PF_MPLS
 PF_XDP
-PIDFD_NONBLOCK
 PR_SET_VMA
 PR_SET_VMA_ANON_NAME
 RUN_LVL

libc-test/semver/linux.txt

@@ -2084,6 +2084,7 @@ PACKET_FANOUT_QM
 PACKET_FANOUT_RND
 PACKET_FANOUT_ROLLOVER
 PACKET_HOST
+PACKET_IGNORE_OUTGOING
 PACKET_KERNEL
 PACKET_LOOPBACK
 PACKET_LOSS
@@ -2171,6 +2172,32 @@ PF_WANPIPE
 PF_WQ_WORKER
 PF_X
 PF_X25
+PIDFD_GET_CGROUP_NAMESPACE
+PIDFD_GET_INFO
+PIDFD_GET_IPC_NAMESPACE
+PIDFD_GET_MNT_NAMESPACE
+PIDFD_GET_NET_NAMESPACE
+PIDFD_GET_PID_FOR_CHILDREN_NAMESPACE
+PIDFD_GET_PID_NAMESPACE
+PIDFD_GET_TIME_FOR_CHILDREN_NAMESPACE
+PIDFD_GET_TIME_NAMESPACE
+PIDFD_GET_USER_NAMESPACE
+PIDFD_GET_UTS_NAMESPACE
+PIDFD_INFO_CGROUPID
+PIDFD_INFO_CREDS
+PIDFD_INFO_EXIT
+PIDFD_INFO_PID
+PIDFD_INFO_SIZE_VER0
+PIDFD_NONBLOCK
+PIDFD_SIGNAL_PROCESS_GROUP
+PIDFD_SIGNAL_THREAD
+PIDFD_SIGNAL_THREAD_GROUP
+PIDFD_THREAD
+PIDTYPE_MAX
+PIDTYPE_PGID
+PIDTYPE_PID
+PIDTYPE_SID
+PIDTYPE_TGID
 PIPE_BUF
 PM_STR
 POLLRDBAND
@@ -2229,6 +2256,7 @@ PR_GET_FPEMU
 PR_GET_FPEXC
 PR_GET_FP_MODE
 PR_GET_KEEPCAPS
+PR_GET_MDWE
 PR_GET_NAME
 PR_GET_NO_NEW_PRIVS
 PR_GET_PDEATHSIG
@@ -2247,6 +2275,8 @@ PR_MCE_KILL_EARLY
 PR_MCE_KILL_GET
 PR_MCE_KILL_LATE
 PR_MCE_KILL_SET
+PR_MDWE_NO_INHERIT
+PR_MDWE_REFUSE_EXEC_GAIN
 PR_MPX_DISABLE_MANAGEMENT
 PR_MPX_ENABLE_MANAGEMENT
 PR_SCHED_CORE
@@ -2265,6 +2295,7 @@ PR_SET_FPEMU
 PR_SET_FPEXC
 PR_SET_FP_MODE
 PR_SET_KEEPCAPS
+PR_SET_MDWE
 PR_SET_MM
 PR_SET_MM_ARG_END
 PR_SET_MM_ARG_START
@@ -4038,6 +4069,8 @@ packet_mreq
 pause
 personality
 pgn_t
+pid_type
+pidfd_info
 pipe2
 popen
 posix_fadvise

libc-test/semver/redox.txt

@@ -135,6 +135,7 @@ O_SHLOCK
 O_SYMLINK
 PTHREAD_STACK_MIN
 SA_RESTORER
+SCM_RIGHTS
 SIGIO
 SIGPWR
 SIGSTKFLT

libc-test/semver/windows.txt

@@ -174,12 +174,15 @@ c_void
 calloc
 chdir
 chmod
+clock
 clock_t
 close
 commit
 connect
 creat
+ctime
 dev_t
+difftime
 dup
 dup2
 errno_t
@@ -214,7 +217,11 @@ fsetpos
 fstat
 ftell
 fwrite
+get_daylight
+get_dstbias
 get_osfhandle
+get_timezone
+get_tzname
 getchar
 getcwd
 getenv
@@ -326,6 +333,7 @@ tm
 tmpfile
 tolower
 toupper
+tzset
 uint16_t
 uint32_t
 uint64_t

src/fuchsia/mod.rs

@@ -1452,9 +1452,9 @@ pub const GRPQUOTA: c_int = 1;
 
 pub const SIGIOT: c_int = 6;
 
-pub const S_ISUID: crate::mode_t = 0o4000;
-pub const S_ISGID: crate::mode_t = 0o2000;
-pub const S_ISVTX: crate::mode_t = 0o1000;
+pub const S_ISUID: mode_t = 0o4000;
+pub const S_ISGID: mode_t = 0o2000;
+pub const S_ISVTX: mode_t = 0o1000;
 
 pub const IF_NAMESIZE: size_t = 16;
 pub const IFNAMSIZ: size_t = IF_NAMESIZE;
@@ -1585,26 +1585,26 @@ pub const O_RDONLY: c_int = 0;
 pub const O_WRONLY: c_int = 1;
 pub const O_RDWR: c_int = 2;
 
-pub const S_IFIFO: crate::mode_t = 0o1_0000;
-pub const S_IFCHR: crate::mode_t = 0o2_0000;
-pub const S_IFBLK: crate::mode_t = 0o6_0000;
-pub const S_IFDIR: crate::mode_t = 0o4_0000;
-pub const S_IFREG: crate::mode_t = 0o10_0000;
-pub const S_IFLNK: crate::mode_t = 0o12_0000;
-pub const S_IFSOCK: crate::mode_t = 0o14_0000;
-pub const S_IFMT: crate::mode_t = 0o17_0000;
-pub const S_IRWXU: crate::mode_t = 0o0700;
-pub const S_IXUSR: crate::mode_t = 0o0100;
-pub const S_IWUSR: crate::mode_t = 0o0200;
-pub const S_IRUSR: crate::mode_t = 0o0400;
-pub const S_IRWXG: crate::mode_t = 0o0070;
-pub const S_IXGRP: crate::mode_t = 0o0010;
-pub const S_IWGRP: crate::mode_t = 0o0020;
-pub const S_IRGRP: crate::mode_t = 0o0040;
-pub const S_IRWXO: crate::mode_t = 0o0007;
-pub const S_IXOTH: crate::mode_t = 0o0001;
-pub const S_IWOTH: crate::mode_t = 0o0002;
-pub const S_IROTH: crate::mode_t = 0o0004;
+pub const S_IFIFO: mode_t = 0o1_0000;
+pub const S_IFCHR: mode_t = 0o2_0000;
+pub const S_IFBLK: mode_t = 0o6_0000;
+pub const S_IFDIR: mode_t = 0o4_0000;
+pub const S_IFREG: mode_t = 0o10_0000;
+pub const S_IFLNK: mode_t = 0o12_0000;
+pub const S_IFSOCK: mode_t = 0o14_0000;
+pub const S_IFMT: mode_t = 0o17_0000;
+pub const S_IRWXU: mode_t = 0o0700;
+pub const S_IXUSR: mode_t = 0o0100;
+pub const S_IWUSR: mode_t = 0o0200;
+pub const S_IRUSR: mode_t = 0o0400;
+pub const S_IRWXG: mode_t = 0o0070;
+pub const S_IXGRP: mode_t = 0o0010;
+pub const S_IWGRP: mode_t = 0o0020;
+pub const S_IRGRP: mode_t = 0o0040;
+pub const S_IRWXO: mode_t = 0o0007;
+pub const S_IXOTH: mode_t = 0o0001;
+pub const S_IWOTH: mode_t = 0o0002;
+pub const S_IROTH: mode_t = 0o0004;
 pub const F_OK: c_int = 0;
 pub const R_OK: c_int = 4;
 pub const W_OK: c_int = 2;
@@ -3726,12 +3726,7 @@ extern "C" {
     pub fn rewinddir(dirp: *mut crate::DIR);
 
     pub fn openat(dirfd: c_int, pathname: *const c_char, flags: c_int, ...) -> c_int;
-    pub fn fchmodat(
-        dirfd: c_int,
-        pathname: *const c_char,
-        mode: crate::mode_t,
-        flags: c_int,
-    ) -> c_int;
+    pub fn fchmodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, flags: c_int) -> c_int;
     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;
     pub fn fchownat(
         dirfd: c_int,
@@ -3748,7 +3743,7 @@ extern "C" {
         newpath: *const c_char,
         flags: c_int,
     ) -> c_int;
-    pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkdirat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn readlinkat(
         dirfd: c_int,
         pathname: *const c_char,
@@ -3966,7 +3961,7 @@ extern "C" {
     pub fn gmtime(time_p: *const time_t) -> *mut tm;
     pub fn localtime(time_p: *const time_t) -> *mut tm;
 
-    pub fn mknod(pathname: *const c_char, mode: crate::mode_t, dev: crate::dev_t) -> c_int;
+    pub fn mknod(pathname: *const c_char, mode: mode_t, dev: crate::dev_t) -> c_int;
     pub fn uname(buf: *mut crate::utsname) -> c_int;
     pub fn gethostname(name: *mut c_char, len: size_t) -> c_int;
     pub fn getservbyname(name: *const c_char, proto: *const c_char) -> *mut servent;
@@ -4086,8 +4081,7 @@ extern "C" {
 
     pub fn fdopendir(fd: c_int) -> *mut crate::DIR;
 
-    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t, dev: dev_t)
-        -> c_int;
+    pub fn mknodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, dev: dev_t) -> c_int;
     pub fn pthread_condattr_getclock(
         attr: *const pthread_condattr_t,
         clock_id: *mut clockid_t,
@@ -4214,7 +4208,7 @@ extern "C" {
     pub fn setfsuid(uid: crate::uid_t) -> c_int;
 
     // Not available now on Android
-    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: crate::mode_t) -> c_int;
+    pub fn mkfifoat(dirfd: c_int, pathname: *const c_char, mode: mode_t) -> c_int;
     pub fn if_nameindex() -> *mut if_nameindex;
     pub fn if_freenameindex(ptr: *mut if_nameindex);
     pub fn sync_file_range(fd: c_int, offset: off64_t, nbytes: off64_t, flags: c_uint) -> c_int;