changes from review

src/unistd.rs

@@ -2914,14 +2914,9 @@ mod getres {
 feature! {
 #![feature = "process"]
 #[cfg(target_os = "freebsd")]
-pub mod rfork_freebsd {
-    use crate::errno::Errno;
-    use crate::Result;
-    use super::ForkResult;
-    use super::Pid;
-
     libc_bitflags! {
         /// Flags for [`rfork`]
+        ///
         /// subset of flags supported by FreeBSD 12.x and onwards
         /// with a safe outcome, thus as `RFMEM` can possibly lead to undefined behavior,
         /// it is not in the list. And `rfork_thread` is deprecated.
@@ -2935,6 +2930,11 @@ pub mod rfork_freebsd {
             RFFDG;
             /// a new file descriptor's table will be created
             RFCFDG;
+            /// force sharing the sigacts structure between
+            /// the child and the parent.
+            ///
+            /// FIXME: waiting to be in the libc's crate.
+            // RFSIGSHARE;
             /// enables kernel thread support.
             RFTHREAD;
             /// sets a status to emit at child's exit.
@@ -2949,7 +2949,7 @@ pub mod rfork_freebsd {
     /// and parent process will be sharing, file descriptors, address spaces
     /// and child exit's behavior.
     pub unsafe fn rfork(flags: RforkFlags) -> Result<ForkResult> {
-        let res = libc::rfork(flags.bits());
+        let res = unsafe { libc::rfork(flags.bits()) };
         use ForkResult::*;
 
         Errno::result(res).map(|res| match res {
@@ -2958,7 +2958,6 @@ pub mod rfork_freebsd {
         })
     }
 }
-}
 
 #[cfg(feature = "fs")]
 libc_bitflags! {
@@ -2979,50 +2978,50 @@ libc_bitflags! {
 feature! {
 #![feature = "fs"]
 
-    /// Checks the file named by `path` for accessibility according to the flags given by `amode`
-    /// See [access(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/access.html)
-    pub fn access<P: ?Sized + NixPath>(path: &P, amode: AccessFlags) -> Result<()> {
-        let res = path.with_nix_path(|cstr| unsafe {
-            libc::access(cstr.as_ptr(), amode.bits())
-        })?;
-        Errno::result(res).map(drop)
-    }
+/// Checks the file named by `path` for accessibility according to the flags given by `amode`
+/// See [access(2)](https://pubs.opengroup.org/onlinepubs/9699919799/functions/access.html)
+pub fn access<P: ?Sized + NixPath>(path: &P, amode: AccessFlags) -> Result<()> {
+    let res = path.with_nix_path(|cstr| unsafe {
+        libc::access(cstr.as_ptr(), amode.bits())
+    })?;
+    Errno::result(res).map(drop)
+}
 
-    /// Checks the file named by `path` for accessibility according to the flags given by `mode`
-    ///
-    /// If `dirfd` has a value, then `path` is relative to directory associated with the file descriptor.
-    ///
-    /// If `dirfd` is `None`, then `path` is relative to the current working directory.
-    ///
-    /// # References
-    ///
-    /// [faccessat(2)](http://pubs.opengroup.org/onlinepubs/9699919799/functions/faccessat.html)
-    // redox: does not appear to support the *at family of syscalls.
+/// Checks the file named by `path` for accessibility according to the flags given by `mode`
+///
+/// If `dirfd` has a value, then `path` is relative to directory associated with the file descriptor.
+///
+/// If `dirfd` is `None`, then `path` is relative to the current working directory.
+///
+/// # References
+///
+/// [faccessat(2)](http://pubs.opengroup.org/onlinepubs/9699919799/functions/faccessat.html)
+// redox: does not appear to support the *at family of syscalls.
 #[cfg(not(target_os = "redox"))]
-    pub fn faccessat<P: ?Sized + NixPath>(
-        dirfd: Option<RawFd>,
-        path: &P,
-        mode: AccessFlags,
-        flags: AtFlags,
-        ) -> Result<()> {
-        let res = path.with_nix_path(|cstr| unsafe {
-            libc::faccessat(
-                at_rawfd(dirfd),
-                cstr.as_ptr(),
-                mode.bits(),
-                flags.bits(),
-                )
-        })?;
-        Errno::result(res).map(drop)
-    }
+pub fn faccessat<P: ?Sized + NixPath>(
+    dirfd: Option<RawFd>,
+    path: &P,
+    mode: AccessFlags,
+    flags: AtFlags,
+) -> Result<()> {
+    let res = path.with_nix_path(|cstr| unsafe {
+        libc::faccessat(
+            at_rawfd(dirfd),
+            cstr.as_ptr(),
+            mode.bits(),
+            flags.bits(),
+        )
+    })?;
+    Errno::result(res).map(drop)
+}
 
-    /// Checks the file named by `path` for accessibility according to the flags given
-    /// by `mode` using effective UID, effective GID and supplementary group lists.
-    ///
-    /// # References
-    ///
-    /// * [FreeBSD man page](https://www.freebsd.org/cgi/man.cgi?query=eaccess&sektion=2&n=1)
-    /// * [Linux man page](https://man7.org/linux/man-pages/man3/euidaccess.3.html)
+/// Checks the file named by `path` for accessibility according to the flags given
+/// by `mode` using effective UID, effective GID and supplementary group lists.
+///
+/// # References
+///
+/// * [FreeBSD man page](https://www.freebsd.org/cgi/man.cgi?query=eaccess&sektion=2&n=1)
+/// * [Linux man page](https://man7.org/linux/man-pages/man3/euidaccess.3.html)
 #[cfg(any(
     freebsdlike,
     all(target_os = "linux", not(target_env = "uclibc")),