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/// L4Re specifics
/// This module contains definitions required by various L4Re libc backends.
/// Some of them are formally not part of the libc, but are a dependency of the
/// libc and hence we should provide them here.
pub type l4_umword_t = ::c_ulong; // Unsigned machine word.
s! {
/// CPU sets.
pub struct l4_sched_cpu_set_t {
// from the L4Re docs
/// Combination of granularity and offset.
///
/// The granularity defines how many CPUs each bit in map describes.
/// The offset is the numer of the first CPU described by the first
/// bit in the bitmap.
/// offset must be a multiple of 2^graularity.
///
/// | MSB | LSB |
/// | ---------------- | ------------------- |
/// | 8bit granularity | 24bit offset .. |
gran_offset: l4_umword_t ,
/// Bitmap of CPUs.
map: l4_umword_t ,
}
}
#[cfg(target_os = "l4re")]
pub struct pthread_attr_t {
pub __detachstate: ::c_int,
pub __schedpolicy: ::c_int,
pub __schedparam: super::__sched_param,
pub __inheritsched: ::c_int,
pub __scope: ::c_int,
pub __guardsize: ::size_t,
pub __stackaddr_set: ::c_int,
pub __stackaddr: *mut ::c_void, // better don't use it
pub __stacksize: ::size_t,
// L4Re specifics
pub affinity: l4_sched_cpu_set_t,
pub create_flags: ::c_uint,
}
// L4Re requires a min stack size of 64k; that isn't defined in uClibc, but
// somewhere in the core libraries. uClibc wants 16k, but that's not enough.
pub const PTHREAD_STACK_MIN: usize = 65536;
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