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make the mmapped buffer configurable

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Folkert 2022-07-26 23:29:18 +02:00
parent 64c2d8d87e
commit 40d7e94a17
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GPG key ID: 1F17F6FFD112B97C
5 changed files with 37 additions and 30 deletions
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48
crates/cli/src/lib.rs
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@ -8,6 +8,8 @@ use roc_build::link::{LinkType, LinkingStrategy};
use roc_collections::VecMap;
use roc_error_macros::{internal_error, user_error};
use roc_gen_llvm::llvm::build::LlvmBackendMode;
use roc_gen_llvm::run_roc::RocCallResult;
use roc_gen_llvm::run_roc_dylib;
use roc_load::{Expectations, LoadingProblem, Threading};
use roc_module::symbol::{Interns, ModuleId};
use roc_mono::ir::OptLevel;
@ -360,26 +362,6 @@ pub fn test(matches: &ArgMatches, triple: Triple) -> io::Result<i32> {
}
});
unsafe {
let name = "/roc_expect_buffer"; // IMPORTANT: shared memory object names must begin with / and contain no other slashes!
let cstring = CString::new(name).unwrap();
let shared_fd =
libc::shm_open(cstring.as_ptr().cast(), libc::O_RDWR | libc::O_CREAT, 0o666);
libc::ftruncate(shared_fd, SHM_SIZE);
let _shared_ptr = libc::mmap(
std::ptr::null_mut(),
4096,
libc::PROT_WRITE,
libc::MAP_SHARED,
shared_fd,
0,
);
}
// let target_valgrind = matches.is_present(FLAG_VALGRIND);
let arena = &arena;
let target = &triple;
let opt_level = opt_level;
@ -414,30 +396,42 @@ pub fn test(matches: &ArgMatches, triple: Triple) -> io::Result<i32> {
)
.unwrap();
let name = "/roc_expect_buffer"; // IMPORTANT: shared memory object names must begin with / and contain no other slashes!
let cstring = CString::new(name).unwrap();
let arena = &bumpalo::Bump::new();
let interns = arena.alloc(interns);
let mut writer = std::io::stdout();
// IMPORTANT: shared memory object names must begin with / and contain no other slashes!
let name = "/roc_expect_buffex";
let cstring = CString::new(name).unwrap();
let shared_ptr = unsafe {
let shared_fd = libc::shm_open(cstring.as_ptr().cast(), libc::O_RDWR, 0o666);
libc::ftruncate(shared_fd, SHM_SIZE);
libc::mmap(
let ptr = libc::mmap(
std::ptr::null_mut(),
SHM_SIZE as usize,
libc::PROT_READ | libc::PROT_WRITE,
libc::MAP_SHARED,
shared_fd,
0,
)
.cast()
);
if ptr as isize == -1 {
internal_error!("could not set up the expect shared memory region")
}
ptr.cast()
};
// communicate the mmapped name to zig/roc
let set_mmapped_file = run_roc_dylib!(lib, "set_mmapped_file", (*const i8, usize), ());
let mut result = RocCallResult::default();
unsafe { set_mmapped_file((cstring.as_ptr(), name.len() + 1), &mut result) };
std::mem::forget(cstring);
let (failed, passed) = roc_repl_expect::run::run_expects(
&mut writer,
arena,
@ -1019,7 +1013,7 @@ unsafe fn roc_run_native_debug(
roc_dev_expect(
&mut std::io::stdout(),
&arena,
arena,
&mut expectations,
interns,
shared_memory_ptr,