AuroraSupport/AuroraRuntime
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[*] Do you see why Zombie processes are still an issue under UNIX?

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This commit is contained in:
Reece Wilson 2022-04-05 11:24:48 +01:00
parent 8cbceae272
commit 311b13bc32
1 changed files with 9 additions and 10 deletions
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19
Source/Processes/Process.Unix.cpp
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@ -22,7 +22,7 @@ namespace Aurora::Processes
{
struct ProcessImpl;
static AuThreadPrimitives::SpinLock gSpinLock;
static AuThreadPrimitives::RWLockUnique_t gRWLock;
static AuHashMap<pid_t, ProcessImpl *> gPidLookupMap;
ProcessImpl::ProcessImpl(const StartupParmaters &params) : startup_(params)
@ -53,7 +53,7 @@ namespace Aurora::Processes
}
{
AU_LOCK_GUARD(gSpinLock);
AU_LOCK_GUARD(gRWLock->AsWritable());
if (this->alive_)
{
@ -96,7 +96,7 @@ namespace Aurora::Processes
bool ProcessImpl::TryKill()
{
AU_LOCK_GUARD(gSpinLock);
AU_LOCK_GUARD(gRWLock->AsReadable());
if (this->alive_)
{
@ -108,7 +108,7 @@ namespace Aurora::Processes
bool ProcessImpl::Terminate()
{
AU_LOCK_GUARD(gSpinLock);
AU_LOCK_GUARD(gRWLock->AsReadable());
if (this->alive_)
{
@ -246,7 +246,7 @@ namespace Aurora::Processes
}
{
AU_LOCK_GUARD(gSpinLock);
AU_LOCK_GUARD(gSpinLock->AsWritable());
AuTryInsert(gPidLookupMap, getpid(), this);
}
@ -298,7 +298,7 @@ namespace Aurora::Processes
static void HandleChildTermiantion(pid_t pid, int code)
{
AU_LOCK_GUARD(gSpinLock);
AU_LOCK_GUARD(gRWLock->AsReadable());
auto handler = gPidLookupMap.find(pid);
if (handler == gPidLookupMap.end()) return;
@ -307,8 +307,6 @@ namespace Aurora::Processes
auto process = *handler;
process.second->ByeLol(code);
}
gPidLookupMap.erase(handler);
}
static void SigChldHandler(int)
@ -333,10 +331,11 @@ namespace Aurora::Processes
void InitUnix()
{
signal(SIGCHLD, SigChldHandler);
gRWLock = AuThreadPrimitives::RWLockUnique();
}
void DeinitUnix()
{
gRWLock.reset();
}
}
}