src/libcore/rt/env.rs

   1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 //! Runtime environment settings
  12
  13 use libc::{size_t, c_char, c_int};
  14
  15 pub struct Environment {
  16     /// The number of threads to use by default
  17     num_sched_threads: size_t,
  18     /// The minimum size of a stack segment
  19     min_stack_size: size_t,
  20     /// The maximum amount of total stack per task before aborting
  21     max_stack_size: size_t,
  22     /// The default logging configuration
  23     logspec: *c_char,
  24     /// Record and report detailed information about memory leaks
  25     detailed_leaks: bool,
  26     /// Seed the random number generator
  27     rust_seed: *c_char,
  28     /// Poison allocations on free
  29     poison_on_free: bool,
  30     /// The argc value passed to main
  31     argc: c_int,
  32     /// The argv value passed to main
  33     argv: **c_char,
  34     /// Print GC debugging info
  35     debug_mem: bool
  36 }
  37
  38 /// Get the global environment settings
  39 /// # Safety Note
  40 /// This will abort the process if run outside of task context
  41 pub fn get() -> &Environment {
  42     unsafe { rust_get_rt_env() }
  43 }
  44
  45 extern {
  46     fn rust_get_rt_env() -> &Environment;
  47 }