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Diffstat (limited to '')
-rw-r--r-- | vendor/libc/src/unix/linux_like/linux/uclibc/x86_64/l4re.rs | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/libc/src/unix/linux_like/linux/uclibc/x86_64/l4re.rs b/vendor/libc/src/unix/linux_like/linux/uclibc/x86_64/l4re.rs new file mode 100644 index 000000000..c7cbafa16 --- /dev/null +++ b/vendor/libc/src/unix/linux_like/linux/uclibc/x86_64/l4re.rs @@ -0,0 +1,53 @@ +/// 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. +pub type pthread_t = *mut ::c_void; + +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")] +#[allow(missing_debug_implementations)] +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; + +// Misc other constants required for building. +pub const SIGIO: ::c_int = 29; +pub const B19200: ::speed_t = 0o000016; +pub const B38400: ::speed_t = 0o000017; |