From 295490fe8366e2d96046e1d14a582526cde956ef Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 16 Dec 2023 23:55:49 +0800
Subject: Develop PlatformSubProcessBase.

---
 src/common/SubProcess.cpp | 56 ++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 48 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/common/SubProcess.cpp b/src/common/SubProcess.cpp
index f2bcf919..d69fb973 100644
--- a/src/common/SubProcess.cpp
+++ b/src/common/SubProcess.cpp
@@ -11,16 +11,12 @@ SubProcessException::~SubProcessException() {}
 
 PlatformSubProcessBase::PlatformSubProcessBase(
     const PlatformSubProcessStartInfo& start_info)
-    : dispose_(DisposeKind::None),
+    : auto_delete_(false),
       start_info_(start_info),
       data_lock_(data_mutex_, std::defer_lock),
       process_lock_(process_mutex_, std::defer_lock) {}
 
-PlatformSubProcessBase::~PlatformSubProcessBase() {
-  auto data_lock_guard = CreateDataLockGuard();
-  if (status_ )
-    switch (dispose_) { DisposeKind::Join: }
-}
+PlatformSubProcessBase::~PlatformSubProcessBase() {}
 
 void PlatformSubProcessBase::Start() {
   auto data_lock_guard = CreateDataLockGuard();
@@ -40,18 +36,62 @@ void PlatformSubProcessBase::Start() {
       auto data_lock_guard = CreateDataLockGuard();
       status_ = PlatformSubProcessStatus::Exited;
     });
+
+    process_thread_.detach();
   } catch (const std::exception& e) {
-    status_ = PlatformSubProcessStatus::FailToStart;
+    status_ = PlatformSubProcessStatus::FailedToStart;
   }
 }
 
 void PlatformSubProcessBase::Wait(
     std::optional<std::chrono::milliseconds> wait_time) {
+  auto status = GetStatus();
+
+  if (status == PlatformSubProcessStatus::Prepare) {
+    throw SubProcessException(
+        u"The process does not start. Can't wait for it.");
+  }
+
+  if (status == PlatformSubProcessStatus::FailedToStart) {
+    throw SubProcessException(
+        u"The process failed to start. Can't wait for it.");
+  }
+
+  if (status == PlatformSubProcessStatus::Exited) {
+    return;
+  }
+
   if (wait_time) {
-    process_lock_.try_lock_for(*wait_time);
+    auto locked = process_lock_.try_lock_for(*wait_time);
+    if (locked) {
+      process_lock_.unlock();
+    }
   } else {
     process_lock_.lock();
+    process_lock_.unlock();
   }
 }
 
+void PlatformSubProcessBase::Kill() {
+  auto status = GetStatus();
+
+  if (status == PlatformSubProcessStatus::Prepare) {
+    throw SubProcessException(u"The process does not start. Can't kill it.");
+  }
+
+  if (status == PlatformSubProcessStatus::FailedToStart) {
+    throw SubProcessException(u"The process failed to start. Can't kill it.");
+  }
+
+  if (status == PlatformSubProcessStatus::Exited) {
+    return;
+  }
+
+  PlatformKillProcess();
+}
+
+PlatformSubProcessStatus PlatformSubProcessBase::GetStatus() {
+  auto data_lock_guard = CreateDataLockGuard();
+  return status_;
+}
 }  // namespace cru
-- 
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