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This commit is contained in:
Mackenzie Clark
2019-03-22 16:57:29 -07:00
parent b7c5f27b37
commit e75a23602a
3 changed files with 40 additions and 4 deletions
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23
lib/emscripten/src/syscalls/unix/select.rs
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@ -194,6 +194,27 @@ pub fn ___syscall142(ctx: &mut Ctx, _which: libc::c_int, mut varargs: VarArgs) -
.map(|pair| pair.host_fd)
.collect::<Vec<_>>()
);
unsafe {
use libc::FD_ISSET;
let s = 3;
let x = [
FD_ISSET(s, readfds_set_ptr),
FD_ISSET(s + 1, readfds_set_ptr),
FD_ISSET(s + 2, readfds_set_ptr),
FD_ISSET(s + 3, readfds_set_ptr),
FD_ISSET(s + 4, readfds_set_ptr),
FD_ISSET(s + 5, readfds_set_ptr),
FD_ISSET(s + 6, readfds_set_ptr),
FD_ISSET(s + 7, readfds_set_ptr),
FD_ISSET(s + 8, readfds_set_ptr),
FD_ISSET(s + 9, readfds_set_ptr),
FD_ISSET(s + 10, readfds_set_ptr),
FD_ISSET(s + 11, readfds_set_ptr),
];
debug!("BEFORE sets start with fd #{}: {:?}", s, x);
}
let fds_slice = unsafe { slice::from_raw_parts(readfds_set_ptr as *const u8, 4) } as &[u8];
debug!("host read set before: {:?}", fds_slice);
let mut result = unsafe { libc::select(sz, readfds_set_ptr, writefds_set_ptr, 0 as _, 0 as _) };
@ -216,7 +237,7 @@ pub fn ___syscall142(ctx: &mut Ctx, _which: libc::c_int, mut varargs: VarArgs) -
FD_ISSET(s + 10, readfds_set_ptr),
FD_ISSET(s + 11, readfds_set_ptr),
];
debug!("sets (start with fd #{}: {:?}", s, x);
debug!("AFTER sets (start with fd #{}: {:?}", s, x);
}
if result == -1 {