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587 Commits

Author SHA1 Message Date
Ralf Jung
5657f08bea fs: move isolation handling to inside trait 2020-08-08 15:24:30 +02:00
bors
eaf5d32ac7 Auto merge of #1501 - samrat:fix-fs-error-handling, r=RalfJung 
Bubble up errors from FileDescriptor::as_file_handle

Instead of indicating incorrectly that a handle was not found, return the error from `as_file_handle` indicating the operation is not supported on the FD.

Addresses some comments in #1495
 2020-08-08 12:28:08 +00:00
Ralf Jung
07a4383ac8 rustup 2020-08-08 14:05:11 +02:00
Samrat Man Singh
1069f6b174 Fix handling of as_file_handle error for fullfsync 2020-08-08 17:28:41 +05:30
Samrat Man Singh
045bcab1eb Add FIXME's for dup and other syscalls to support stdin/out/err 2020-08-08 15:08:29 +05:30
Samrat Man Singh
773dfb31f0 Bubble up error from FileDescriptor::as_file_handle 
...instead of handle_not_found
 2020-08-08 14:42:50 +05:30
Samrat Man Singh
bdef57ea45 Flush to stdout from FileDescriptor::write for Stdout 
Also, remove unnecessary `-Zmiri-disable-isolation` in test
 2020-08-04 20:40:48 +05:30
Samrat Man Singh
bea7113eb8 Add impl FileDescriptor for stdin, stdout, stderr 
- Use `FileDescriptor::read` for stdin reads
- Use `FileDescriptor::write` for stdout/err writes
- Handle stdout/err reads in `FileDescriptor::read`
 2020-08-04 01:14:52 +05:30
bors
69d050fb6b Auto merge of #1495 - samrat:fd-trait, r=oli-obk 
Add FileDescriptor trait to abstract fn's on File's and Stdin,Stdout,Stderr

Related issue: #1486

Instead of mapping FDs to `FileHandle`, map them to a `FileDescriptor` trait object. The goal is to eventually have both `FileHandle` as well as `Stdin`, `Stdout` and `Stderr` implement this trait so that syscalls involving FDs can handle both `File`s as well as the standard IO streams.

This PR adds the `FileDescriptor` trait and an `impl` for `FileHandle`. I'll open a separate PR for implementing the trait for the standard IO streams.
 2020-08-03 15:50:30 +00:00
Samrat Man Singh
79e066fc95 Remove unnecessary clone() on writable 2020-08-03 20:39:09 +05:30
Samrat Man Singh
3386f12eca Wrap io::Result from FileDescriptor::{read,write,seek} in InterpResult 
The outer InterpResult will be used to indicate that a fn is not
implemented for a struct(eg. `write` for Stdin).

The inner io::Result is just the result from the read/write/seek.
 2020-08-03 11:01:42 +05:30
Samrat Man Singh
e3956f4200 Add FileDescriptor trait to abstract fn's on File's and Std{in,out,err} 2020-08-01 20:53:50 +05:30
Ralf Jung
2dfde5b696 remove upstreamed intrinsic impls 2020-07-30 18:31:40 +02:00
Ralf Jung
d340933112 rustup 2020-07-30 18:31:19 +02:00
Ralf Jung
6fbaa72642 fix diagnostics printing when triggered during TLS dtor scheduling 2020-07-27 23:32:15 +02:00
Ralf Jung
c77540ce13 deallocate thread-local statics when the thread dies 2020-07-27 23:32:15 +02:00
Ralf Jung
2a42f8e93c fix and test order of TLS dtors and thread joining 2020-07-27 23:32:15 +02:00
Philippe Nadon
6dd700fd17 Changed not_undef to check_init in foreign_items.rs 
Due to changes from upstream, a commit using not_undef was inserted, which had to be updated to use check_init.

related issue #71193
 2020-07-27 13:07:25 -06:00
Philippe Nadon
21268157ff renamed Immediate::to_scalar_or_undef 
to Immediate::to_scalar_or_uninit

in src/shims/intrinsics.rs

related issue #71193
 2020-07-26 16:05:20 -06:00
Philippe Nadon
5161ba346c renamed ScalarMaybeUninit::not_undef to check_init 
Related to PR https://github.com/rust-lang/rust/pull/74664
 2020-07-26 16:05:20 -06:00
Ralf Jung
bc0569253f enable leak check tests on Windows 2020-07-23 15:56:38 +02:00
Ralf Jung
fef5fa2ae1 add a Miri extern fn to mark an allocation as being a static root for leak checking 2020-07-23 15:47:33 +02:00
Ralf Jung
4033358956 make miri_start_panic intrinsic an FFI function 2020-07-23 15:20:36 +02:00
bors
592b140880 Auto merge of #1482 - canova:remote-unreachable, r=RalfJung 
Remove unreachable intrinsic

This is now supported by the interpreter with https://github.com/rust-lang/rust/pull/74459. We can remove this intrinsic implementation here.
This is covered by this test: https://github.com/rust-lang/miri/blob/master/tests/compile-fail/unreachable.rs

I guess we need to wait until the rust-lang/rust PR merges into nightly, and then we can update `rust-version` hash in the PR, right?

r? @oli-obk
 2020-07-23 09:14:08 +00:00
Ralf Jung
7d6aec6887 rustup 2020-07-23 10:40:13 +02:00
Ralf Jung
cded9b7142 set errno on stdout write failure 2020-07-18 17:58:21 +02:00
bors
b021209b0e Auto merge of #1436 - samrat:support-stdin-read, r=RalfJung 
Handle `read`s on STDIN

Closes #1434
 2020-07-18 14:56:38 +00:00
Nazım Can Altınova
d1aee6965b Remove unreachable intrinsic 2020-07-18 12:48:26 +02:00
Samrat Man Singh
f4d1841811 Remove unnecessary cast 2020-07-18 10:45:06 +05:30
Samrat Man Singh
4c1beb2e45 Ensure buffer for reading from Stdin is smaller than machine usize 
Also, set appropriate error code on failure
 2020-07-17 20:18:07 +05:30
Ralf Jung
c28786d320 remove an unnecessary intermediate cast 2020-07-16 12:16:43 +02:00
Ralf Jung
ce5ed69eac rustup; fix Windows TLS 2020-07-15 08:42:15 +02:00
Samrat Man Singh
74ff4f805a Read into buffer of fixed size for reads to STDIN 
Also:
- Check isolation is disabled.
- Add FIXMEs to set error numbers in `read` and `write`.
 2020-07-12 20:27:19 +05:30
Samrat Man Singh
2602e951c0 Handle reads on STDIN 2020-07-11 14:06:49 +05:30
Ralf Jung
dcb0f6309e we cannot track all machine memory any more due to int-ptr-casts 2020-07-08 12:01:49 +02:00
Gary Guo
c5b324b031
Remove likely and unlikely from intrinsics shim 
They are now implemented in MIR interpreter by rust-lang/rust#73778
 2020-07-02 20:00:27 +01:00
Ralf Jung
3a5bcb97ed move rwlock dequeuing to shared code, and use that code for Windows rwlocks 2020-06-28 11:28:46 +02:00
Ralf Jung
a9dc2796ca Move get/set_at_offset helpers to global helpers file 2020-06-28 09:23:01 +02:00
Ralf Jung
e54619b5e1 with this, we support panics on Windows 2020-06-27 14:43:37 +02:00
Ralf Jung
8e92969948 implement Windows SRWLock shims 2020-06-27 14:36:05 +02:00
Ralf Jung
dca00ab85e introduce platform-specific module hierarchy for dlsym (similar to foreign_items) 2020-06-27 14:36:05 +02:00
bors
bde2eb4a44 Auto merge of #1460 - RalfJung:modules, r=RalfJung 
Re-organize platform-specific shims

Move platform-specific code to `shims::{posix::{linux, macos}, windows}`. Also make it private in these modules to ensure we are reasonably structured.
 2020-06-27 11:27:36 +00:00
Ralf Jung
af5887e869 module organization: move platform-specific code to shims::{posix::{linux, macos}, windows} 2020-06-27 13:22:49 +02:00
Ralf Jung
395f5d40dc Rename shims::{sync -> posic_sync} and move sync_singlethread test to other sync test 2020-06-27 12:37:12 +02:00
Ralf Jung
b46f946c81 supply our own implementation of the CTFE pointer comparison intrinsics 2020-06-27 11:57:43 +02:00
bors
ffd03b3caa Auto merge of #1418 - divergentdave:file-sync, r=RalfJung 
Add file sync shims

This PR adds shim implementations for these related file syncing functions.
* `fsync`, for POSIX targets, backed by `File::sync_all()`
* `fdatasync`, for POSIX targets, backed by `File::sync_data()`
* `fcntl` with command `F_FULLFSYNC`, for macOS targets, backed by `File::sync_all()`
* `sync_file_range`, for Linux targets, backed by `File::sync_data()`
 2020-06-09 08:48:40 +00:00
David Cook
a60c130b0d Extract common logic for Windows host workaround 2020-06-08 23:34:02 +00:00
David Cook
e352d4fbb7 Finish fixing Windows host support 2020-06-06 16:54:13 +00:00
Ralf Jung
0b6ec575b9 make mutex_unlock infallible 2020-05-30 22:54:37 +02:00
Ralf Jung
acb3ec0866 test and fix for rwlock unlock bug 2020-05-30 22:48:43 +02:00