Crate test_mem_region 

Structs

Ctx 🔒

Constants

MAP_ANON 🔒

MAP_PRIVATE 🔒

PAGE_SIZE 🔒

PROT_READ 🔒

PROT_WRITE 🔒

REGION_LEN 🔒

REGION_PAGES 🔒

Functions

_start

Userspace entry point.

check_expect_err 🔒

Check that a syscall fails with a specific error.

check_ok 🔒

Check a syscall result and keep the successful value.

dump_memory_registers 🔒

Print a short memory snapshot for one mapped view.

fail 🔒

Record a failed check.

log 🔒

Write to stdout.

log_err 🔒

Write to stderr.

log_handle_info 🔒

Print the metadata returned by handle_info.

log_hex_u64 🔒

Write an unsigned integer in hexadecimal.

log_region_info 🔒

Print the metadata returned by mem_region_info.

log_u64 🔒

Write an unsigned integer in decimal.

map_source_region 🔒

Create the anonymous source mapping used for export tests.

ok 🔒

Record a successful check.

panic 🔒

Abort the process on panic.

run_suite 🔒

Run the full MemoryRegion coverage suite.

section 🔒

Print a section banner.

seed_region 🔒

Fill the source region with a deterministic pattern.

test_export_and_metadata 🔒

Export the region and validate the returned metadata.

test_handle_lifecycle 🔒

Exercise duplicate and grant lifecycles.

test_invalid_inputs 🔒

Exercise invalid argument paths that should stay deterministic.

test_mapping_alias 🔒

Map one handle and verify alias coherence.

verify_same_bytes 🔒

Verify that two mappings expose identical bytes.

verify_write_propagation 🔒

Verify that a write through one alias is visible through another one.

write_fd 🔒

Write a message to a file descriptor.