forked from M-Labs/libfringe
add FreeBSD + DragonFlyBSD MAP_STACK workaround
http://lists.freebsd.org/pipermail/freebsd-bugs/2011-July/044840.html according to libgreen, DragonFlyBSD suffers from this too
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@ -20,9 +20,15 @@ pub fn sys_page_size() -> usize {
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const GUARD_PROT: c_int = libc::PROT_NONE;
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const STACK_PROT: c_int = libc::PROT_READ
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| libc::PROT_WRITE;
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#[cfg(not(any(target_os = "freebsd", target_os = "dragonfly")))]
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const STACK_FLAGS: c_int = libc::MAP_STACK
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| libc::MAP_PRIVATE
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| libc::MAP_ANON;
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// workaround for http://lists.freebsd.org/pipermail/freebsd-bugs/2011-July/044840.html
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// according to libgreen, DragonFlyBSD suffers from this too
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#[cfg(any(target_os = "freebsd", target_os = "dragonfly"))]
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const STACK_FLAGS: c_int = libc::MAP_PRIVATE
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| libc::MAP_ANON;
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pub unsafe fn map_stack(len: usize) -> Option<*mut u8> {
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let ptr = mmap(ptr::null_mut(), len as size_t,
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