diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/sys/mman.rs | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/sys/mman.rs b/src/sys/mman.rs index 33ac21de..ba6eb661 100644 --- a/src/sys/mman.rs +++ b/src/sys/mman.rs @@ -129,7 +129,7 @@ libc_bitflags!{ #[cfg(any(target_os = "dragonfly", target_os = "freebsd", target_os = "netbsd", target_os = "openbsd"))] MAP_HASSEMAPHORE; /// Region grows down, like a stack. - #[cfg(any(target_os = "android", target_os = "dragonfly", target_os = "freebsd", target_os = "linux"))] + #[cfg(any(target_os = "android", target_os = "dragonfly", target_os = "freebsd", target_os = "linux", target_os = "openbsd"))] MAP_STACK; /// Pages in this mapping are not retained in the kernel's memory cache. #[cfg(any(target_os = "ios", target_os = "macos"))] @@ -139,14 +139,22 @@ libc_bitflags!{ } } -#[cfg(target_os = "linux")] +#[cfg(any(target_os = "linux", target_os = "netbsd"))] libc_bitflags!{ /// Options for `mremap()`. pub struct MRemapFlags: c_int { /// Permit the kernel to relocate the mapping to a new virtual address, if necessary. + #[cfg(target_os = "linux")] MREMAP_MAYMOVE; /// Place the mapping at exactly the address specified in `new_address`. + #[cfg(target_os = "linux")] MREMAP_FIXED; + /// Permits to use the old and new address as hints to relocate the mapping. + #[cfg(target_os = "netbsd")] + MAP_FIXED; + /// Allows to duplicate the mapping to be able to apply different flags on the copy. + #[cfg(target_os = "netbsd")] + MAP_REMAPDUP; } } @@ -334,7 +342,7 @@ pub unsafe fn mmap(addr: *mut c_void, length: size_t, prot: ProtFlags, flags: Ma /// /// See the `mremap(2)` [man page](https://man7.org/linux/man-pages/man2/mremap.2.html) for /// detailed requirements. -#[cfg(target_os = "linux")] +#[cfg(any(target_os = "linux", target_os = "netbsd"))] pub unsafe fn mremap( addr: *mut c_void, old_size: size_t, @@ -342,7 +350,16 @@ pub unsafe fn mremap( flags: MRemapFlags, new_address: Option<* mut c_void>, ) -> Result<*mut c_void> { + #[cfg(target_os = "linux")] let ret = libc::mremap(addr, old_size, new_size, flags.bits(), new_address.unwrap_or(std::ptr::null_mut())); + #[cfg(target_os = "netbsd")] + let ret = libc::mremap( + addr, + old_size, + new_address.unwrap_or(std::ptr::null_mut()), + new_size, + flags.bits(), + ); if ret == libc::MAP_FAILED { Err(Error::from(Errno::last())) |