Type PROT [src]

Basic memory protection flags

Members

COPY (Constant)
EXEC (Constant)
EXEC (Constant)
NONE (Constant)
NONE (Constant)
READ (Constant)
READ (Constant)
WRITE (Constant)
WRITE (Constant)

Source

  pub const PROT = switch (native_os) {
    .linux => linux.PROT,
    .emscripten => emscripten.PROT,
    // https://github.com/SerenityOS/serenity/blob/6d59d4d3d9e76e39112842ec487840828f1c9bfe/Kernel/API/POSIX/sys/mman.h#L28-L31
    .openbsd, .haiku, .dragonfly, .netbsd, .solaris, .illumos, .freebsd, .windows, .serenity => struct {
        /// page can not be accessed
        pub const NONE = 0x0;
        /// page can be read
        pub const READ = 0x1;
        /// page can be written
        pub const WRITE = 0x2;
        /// page can be executed
        pub const EXEC = 0x4;
    },
    .macos, .ios, .tvos, .watchos, .visionos => struct {
        /// [MC2] no permissions
        pub const NONE: vm_prot_t = 0x00;
        /// [MC2] pages can be read
        pub const READ: vm_prot_t = 0x01;
        /// [MC2] pages can be written
        pub const WRITE: vm_prot_t = 0x02;
        /// [MC2] pages can be executed
        pub const EXEC: vm_prot_t = 0x04;
        /// When a caller finds that they cannot obtain write permission on a
        /// mapped entry, the following flag can be used. The entry will be
        /// made "needs copy" effectively copying the object (using COW),
        /// and write permission will be added to the maximum protections for
        /// the associated entry.
        pub const COPY: vm_prot_t = 0x10;
    },
    else => void,
}  