Fennix/Kernel
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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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33
syscalls/native/execve.cpp
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@ -26,36 +26,22 @@
#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 vfs::RefNode;
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/9699919799/functions/exec.html */
int sys_execve(SysFrm *Frame, const char *path,
char *const argv[], char *const envp[])
{
PCB *pcb = thisProcess;
Memory::Virtual vmm(pcb->PageTable);
Virtual vmm = Virtual(pcb->PageTable);
if (path == nullptr ||
!vmm.Check((void *)path, Memory::US) ||
!vmm.Check((void *)argv, Memory::US) ||
!vmm.Check((void *)envp, Memory::US))
!vmm.Check((void *)path, US) ||
!vmm.Check((void *)argv, US) ||
!vmm.Check((void *)envp, US))
return -ENOENT;
const char *safe_path;
@ -65,7 +51,7 @@ int sys_execve(SysFrm *Frame, const char *path,
safe_argv = (char **)pcb->vma->RequestPages(TO_PAGES(MAX_ARG));
safe_envp = (char **)pcb->vma->RequestPages(TO_PAGES(MAX_ARG));
{
Memory::SwapPT swap(pcb->PageTable);
SwapPT swap(pcb->PageTable);
size_t len = strlen(path);
memset((void *)safe_path, 0, PAGE_SIZE);
memcpy((void *)safe_path, path, len);
@ -114,7 +100,7 @@ int sys_execve(SysFrm *Frame, const char *path,
#endif
RefNode *File = fs->Open(safe_path,
pcb->CurrentWorkingDirectory);
pcb->CurrentWorkingDirectory);
if (!File)
{
@ -193,7 +179,8 @@ int sys_execve(SysFrm *Frame, const char *path,
int ret = Execute::Spawn((char *)safe_path,
(const char **)safe_argv,
(const char **)safe_envp,
pcb->Parent, pcb->Info.Compatibility);
pcb->Parent, true,
pcb->Info.Compatibility);
if (ret < 0)
{
@ -205,8 +192,8 @@ int sys_execve(SysFrm *Frame, const char *path,
delete File;
Tasking::Task *ctx = pcb->GetContext();
ctx->Sleep(1000);
pcb->State = Tasking::Zombie;
pcb->ExitCode = 0;
pcb->SetState(Tasking::Zombie);
pcb->SetExitCode(0); /* FIXME: get process exit code */
while (true)
ctx->Yield();
__builtin_unreachable();