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Update kernel

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This commit is contained in:
EnderIce2
2024-01-19 06:47:42 +02:00
parent fd15592608
commit 96daa43d38
282 changed files with 25486 additions and 15700 deletions
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20
syscalls/native/read.cpp
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@ -25,31 +25,17 @@
#include "../../syscalls.h"
#include "../../kernel.h"
#include "../../ipc.h"
using InterProcessCommunication::IPC;
using InterProcessCommunication::IPCID;
using Tasking::PCB;
using Tasking::TCB;
using Tasking::TaskState::Ready;
using Tasking::TaskState::Terminated;
using namespace Memory;
#define SysFrm SyscallsFrame
#if defined(a64)
typedef long arch_t;
#elif defined(a32)
typedef int arch_t;
#endif
/* https://pubs.opengroup.org/onlinepubs/009604499/functions/read.html */
ssize_t sys_read(SysFrm *, int fildes,
void *buf, size_t nbyte)
{
void *safe_buf = nullptr;
Tasking::PCB *pcb = thisProcess;
Memory::SmartHeap sh(nbyte, pcb->vma);
PCB *pcb = thisProcess;
SmartHeap sh(nbyte, pcb->vma);
safe_buf = sh.Get();
function("%d, %p, %d", fildes, buf, nbyte);
@ -61,7 +47,7 @@ ssize_t sys_read(SysFrm *, int fildes,
return ret;
{
Memory::SwapPT swap(pcb->PageTable);
SwapPT swap(pcb->PageTable);
memcpy(buf, safe_buf, nbyte);
}
return ret;