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[rpcsx-os] fork: implement vm and vfs fork

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stub metadbg device
implement notification device
implement sys_pipe
This commit is contained in:
DH 2023-10-31 21:28:40 +03:00
parent 39092c7f16
commit 525ef02e8a
22 changed files with 379 additions and 76 deletions
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41
orbis-kernel/src/sys/sys_fork.cpp
View file

@ -1,6 +1,5 @@
#include "KernelContext.hpp"
#include "sys/sysproto.hpp"
#include "utils/Logs.hpp"
#include <cstdlib>
#include <unistd.h>
@ -11,42 +10,8 @@ orbis::SysResult orbis::sys_pdfork(Thread *thread, ptr<sint> fdp, sint flags) {
orbis::SysResult orbis::sys_vfork(Thread *thread) { return ErrorCode::NOSYS; }
orbis::SysResult orbis::sys_rfork(Thread *thread, sint flags) {
ORBIS_LOG_TODO(__FUNCTION__, flags);
int hostPid = ::fork();
if (hostPid) {
thread->retval[0] = 10001;
thread->retval[1] = 0;
} else {
auto process = g_context.createProcess(10001);
std::lock_guard lock(thread->tproc->fileDescriptors.mutex);
process->sysent = thread->tproc->sysent;
process->onSysEnter = thread->tproc->onSysEnter;
process->onSysExit = thread->tproc->onSysExit;
process->ops = thread->tproc->ops;
process->isSystem = thread->tproc->isSystem;
for (auto [id, mod] : thread->tproc->modulesMap) {
if (!process->modulesMap.insert(id, mod)) {
std::abort();
}
}
for (auto [id, mod] : thread->tproc->fileDescriptors) {
if (!process->fileDescriptors.insert(id, mod)) {
std::abort();
}
}
auto [baseId, newThread] = process->threadsMap.emplace();
newThread->tproc = process;
newThread->tid = process->pid + baseId;
newThread->state = orbis::ThreadState::RUNNING;
newThread->context = thread->context;
newThread->fsBase = thread->fsBase;
orbis::g_currentThread = newThread;
newThread->retval[0] = 0;
newThread->retval[1] = 1;
if (auto fork = thread->tproc->ops->fork) {
return fork(thread, flags);
}
return {};
return ErrorCode::NOSYS;
}

8
orbis-kernel/src/sys/sys_pipe.cpp
View file

@ -1,3 +1,9 @@
#include "sys/sysproto.hpp"
#include <pipe.hpp>
orbis::SysResult orbis::sys_pipe(Thread *thread) { return ErrorCode::NOSYS; }
orbis::SysResult orbis::sys_pipe(Thread *thread) {
auto pipe = createPipe();
thread->retval[0] = thread->tproc->fileDescriptors.insert(pipe);
thread->retval[1] = thread->tproc->fileDescriptors.insert(pipe);
return {};
}