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| -rw-r--r-- | src/sys/mman.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/sys/mman.rs b/src/sys/mman.rs index 4aac67ac..f2cc699b 100644 --- a/src/sys/mman.rs +++ b/src/sys/mman.rs @@ -215,18 +215,25 @@ libc_bitflags!{ } } +/// Locks all memory pages that contain part of the address range with `length` bytes starting at +/// `addr`. Locked pages never move to the swap area. pub unsafe fn mlock(addr: *const c_void, length: size_t) -> Result<()> { Errno::result(libc::mlock(addr, length)).map(drop) } +/// Unlocks all memory pages that contain part of the address range with `length` bytes starting at +/// `addr`. pub unsafe fn munlock(addr: *const c_void, length: size_t) -> Result<()> { Errno::result(libc::munlock(addr, length)).map(drop) } +/// Locks all memory pages mapped into this process' address space. Locked pages never move to the +/// swap area. pub fn mlockall(flags: MlockAllFlags) -> Result<()> { unsafe { Errno::result(libc::mlockall(flags.bits())) }.map(drop) } +/// Unlocks all memory pages mapped into this process' address space. pub fn munlockall() -> Result<()> { unsafe { Errno::result(libc::munlockall()) }.map(drop) } |