feat: basic process and thread (#34)

* feat: process & thread

* feat: PARENT_SETTID, CHILD_SETTID and basic CHILD_CLEARTID

Co-authored-by: mivik <mivikq@gmail.com>

* fix(clone): thread does not set page table

* chore: fix clippy warning

* chore: adopt review comments

---------

Co-authored-by: mivik <mivikq@gmail.com>

Author: AsakuraMizu

Cargo.lock

@@ -38,9 +38,18 @@ axns = { git = "https://github.com/oscomp/arceos.git", features = [
 axsync = { git = "https://github.com/oscomp/arceos.git" }
 axtask = { git = "https://github.com/oscomp/arceos.git" }
 
+axprocess = { git = "https://github.com/Starry-OS/axprocess.git" }
+
 axerrno = "0.1"
 bitflags = "2.6"
 linkme = "0.3"
+linux-raw-sys = { version = "0.9.3", default-features = false, features = [
+    "no_std",
+    "general",
+    "net",
+    "prctl",
+    "system",
+] }
 memory_addr = "0.3"
 
 starry-core = { path = "./core" }
@@ -60,12 +69,18 @@ lwext4_rs = ["axfeat/lwext4_rs"]
 [dependencies]
 axfeat.workspace = true
 
+axfs.workspace = true
 axhal.workspace = true
 axlog.workspace = true
+axsync.workspace = true
 axtask.workspace = true
+arceos_posix_api.workspace = true
+
+axprocess.workspace = true
 
 axerrno.workspace = true
 linkme.workspace = true
+linux-raw-sys.workspace = true
 
 starry-core.workspace = true
 starry-api.workspace = true

Cargo.toml

@@ -15,8 +15,11 @@ axsync.workspace = true
 axtask.workspace = true
 arceos_posix_api.workspace = true
 
+axprocess.workspace = true
+
 axerrno.workspace = true
 bitflags.workspace = true
+linux-raw-sys.workspace = true
 memory_addr.workspace = true
 
 starry-core.workspace = true

api/Cargo.toml

@@ -6,11 +6,12 @@ use crate::syscall_instrument;
 
 #[apply(syscall_instrument)]
 pub fn sys_brk(addr: usize) -> LinuxResult<isize> {
-    let current_task = current();
-    let mut return_val: isize = current_task.task_ext().get_heap_top() as isize;
-    let heap_bottom = current_task.task_ext().get_heap_bottom() as usize;
+    let task = current();
+    let process_data = task.task_ext().process_data();
+    let mut return_val: isize = process_data.get_heap_top() as isize;
+    let heap_bottom = process_data.get_heap_bottom() as usize;
     if addr != 0 && addr >= heap_bottom && addr <= heap_bottom + axconfig::plat::USER_HEAP_SIZE {
-        current_task.task_ext().set_heap_top(addr as u64);
+        process_data.set_heap_top(addr);
         return_val = addr as isize;
     }
     Ok(return_val)

api/src/imp/mm/brk.rs

@@ -79,8 +79,8 @@ pub fn sys_mmap(
     let mut addr = unsafe { addr.into_inner() };
 
     let curr = current();
-    let curr_ext = curr.task_ext();
-    let mut aspace = curr_ext.aspace.lock();
+    let process_data = curr.task_ext().process_data();
+    let mut aspace = process_data.aspace.lock();
     let permission_flags = MmapProt::from_bits_truncate(prot);
     // TODO: check illegal flags for mmap
     // An example is the flags contained none of MAP_PRIVATE, MAP_SHARED, or MAP_SHARED_VALIDATE.
@@ -163,8 +163,8 @@ pub fn sys_munmap(addr: UserPtr<usize>, length: usize) -> LinuxResult<isize> {
     let addr = unsafe { addr.into_inner() };
 
     let curr = current();
-    let curr_ext = curr.task_ext();
-    let mut aspace = curr_ext.aspace.lock();
+    let process_data = curr.task_ext().process_data();
+    let mut aspace = process_data.aspace.lock();
     let length = memory_addr::align_up_4k(length);
     let start_addr = VirtAddr::from(addr as usize);
     aspace.unmap(start_addr, length)?;
@@ -186,8 +186,8 @@ pub fn sys_mprotect(addr: UserPtr<usize>, length: usize, prot: i32) -> LinuxResu
     }
 
     let curr = current();
-    let curr_ext = curr.task_ext();
-    let mut aspace = curr_ext.aspace.lock();
+    let process_data = curr.task_ext().process_data();
+    let mut aspace = process_data.aspace.lock();
     let length = memory_addr::align_up_4k(length);
     let start_addr = VirtAddr::from(addr as usize);
     aspace.protect(start_addr, length, permission_flags.into())?;