MrMonopoly/raylib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add process suspending and resuming for Windows

Browse Source
This commit is contained in:
moe li 2026-05-04 22:13:33 +08:00
parent c21e85ed90
commit fc3cac5da3
1 changed files with 108 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

145
src/rcore.c
View File

@ -212,10 +212,37 @@
// Platform specific defines for process execution API
#if defined(_WIN32)
struct _STARTUPINFOA;
struct _PROCESS_INFORMATION;
struct _STARTUPINFOA {
unsigned long cb;
char *lpReserved;
char *lpDesktop;
char *lpTitle;
unsigned long dwX;
unsigned long dwY;
unsigned long dwXSize;
unsigned long dwYSize;
unsigned long dwXCountChars;
unsigned long dwYCountChars;
unsigned long dwFillAttribute;
unsigned long dwFlags;
unsigned short wShowWindow;
unsigned short cbReserved2;
unsigned char *lpReserved2;
void *hStdInput;
void *hStdOutput;
void *hStdError;
};
__declspec(dllimport) void* __stdcall OpenProcess(unsigned long dwDesiredAccess, int bInheritHandle, unsigned long dwProcessId);
struct _PROCESS_INFORMATION {
void *hProcess;
void *hThread;
unsigned long dwProcessId;
unsigned long dwThreadId;
};
__declspec(dllimport) void *__stdcall GetModuleHandleA(const char *lpModuleName);
__declspec(dllimport) void *__stdcall GetProcAddress(void *hModule, const char *lpProcName);
__declspec(dllimport) void *__stdcall OpenProcess(unsigned long dwDesiredAccess, int bInheritHandle, unsigned long dwProcessId);
__declspec(dllimport) int __stdcall CloseHandle(void *hObject);
__declspec(dllimport) int __stdcall GetExitCodeProcess(void *hProcess, unsigned long *lpExitCode);
__declspec(dllimport) int __stdcall TerminateProcess(void *hProcess, unsigned int uExitCode);
@ -4252,34 +4279,6 @@ RLAPI Process InitProcess(const char *command, char *const args[])
Process process = { 0 };
#if defined(_WIN32)
struct _STARTUPINFOA {
unsigned long cb;
char *lpReserved;
char *lpDesktop;
char *lpTitle;
unsigned long dwX;
unsigned long dwY;
unsigned long dwXSize;
unsigned long dwYSize;
unsigned long dwXCountChars;
unsigned long dwYCountChars;
unsigned long dwFillAttribute;
unsigned long dwFlags;
unsigned short wShowWindow;
unsigned short cbReserved2;
unsigned char *lpReserved2;
void *hStdInput;
void *hStdOutput;
void *hStdError;
};
struct _PROCESS_INFORMATION {
void *hProcess;
void *hThread;
unsigned long dwProcessId;
unsigned long dwThreadId;
};
// Windows requires a single command line string
char cmdLine[MAX_PATH * 4] = { 0 };
int position = 0;
@ -4307,7 +4306,7 @@ RLAPI Process InitProcess(const char *command, char *const args[])
struct _PROCESS_INFORMATION pi = { 0 };
// Application name is specified as the first command line argument, so pass NULL to CreateProcessA here
if (CreateProcessA(NULL, cmdLine, NULL, NULL, 0, 0, NULL, NULL, (void*)&si, (void*)&pi))
if (CreateProcessA(NULL, cmdLine, NULL, NULL, 0, 0, NULL, NULL, &si, &pi))
{
process.pid = (int)pi.dwProcessId;
CloseHandle(pi.hThread);
@ -4355,7 +4354,7 @@ RLAPI bool CheckProcess(Process *process)
#if defined(_WIN32)
// PROCESS_QUERY_INFORMATION
void* hProcess = OpenProcess(0x0400, 0, (unsigned long)process->pid);
void *hProcess = OpenProcess(0x0400, 0, (unsigned long)process->pid);
if (hProcess == NULL) return false;
unsigned long exitCode = 0;
@ -4415,8 +4414,43 @@ RLAPI bool CheckProcess(Process *process)
// Pause process execution
RLAPI void PauseProcess(Process *process)
{
if ((process == NULL) || (process->pid <= 0))
{
return;
}
#if defined(_WIN32)
TRACELOG(LOG_WARNING, "PROCESS: Pausing process is not supported on Windows");
typedef long (*PFN_NtSuspendProcess)(void *handle);
static PFN_NtSuspendProcess NtSuspendProcess = NULL;
// Load NtSuspendProcess from ntdll.dll
if (NtSuspendProcess == NULL)
{
void *hNtDll = GetModuleHandleA("ntdll.dll");
if (hNtDll == NULL)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to get handle for ntdll.dll");
return;
}
NtSuspendProcess = (PFN_NtSuspendProcess)GetProcAddress(hNtDll, "NtSuspendProcess");
if (NtSuspendProcess == NULL) {
TRACELOG(LOG_WARNING, "PROCESS: Failed to get address for NtSuspendProcess");
return;
}
}
// PROCESS_SUSPEND_RESUME
void *hProcess = OpenProcess(0x0800, 0, (unsigned long)process->pid);
if (hProcess == NULL) {
TRACELOG(LOG_WARNING, "PROCESS: Failed to open process handle");
return;
}
if (NtSuspendProcess(hProcess) != 0)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to pause process");
}
CloseHandle(hProcess);
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
if (kill(process->pid, SIGSTOP) != 0)
{
@ -4430,8 +4464,45 @@ RLAPI void PauseProcess(Process *process)
// Resume paused process execution
RLAPI void ResumeProcess(Process *process)
{
if ((process == NULL) || (process->pid <= 0))
{
return;
}
#if defined(_WIN32)
TRACELOG(LOG_WARNING, "PROCESS: Resuming process is not supported on Windows");
typedef long (*PFN_NtResumeProcess)(void *handle);
static PFN_NtResumeProcess NtResumeProcess = NULL;
// Load NtResumeProcess from ntdll.dll
if (NtResumeProcess == NULL)
{
void *hNtDll = GetModuleHandleA("ntdll.dll");
if (hNtDll == NULL)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to get handle for ntdll.dll");
return;
}
NtResumeProcess = (PFN_NtResumeProcess)GetProcAddress(hNtDll, "NtResumeProcess");
if (NtResumeProcess == NULL)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to get address for NtResumeProcess");
return;
}
}
// PROCESS_SUSPEND_RESUME
void *hProcess = OpenProcess(0x0800, 0, (unsigned long)process->pid);
if (hProcess == NULL)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to open process handle");
return;
}
if (NtResumeProcess(hProcess) != 0)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to resume process");
}
CloseHandle(hProcess);
#elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
if (kill(process->pid, SIGCONT) != 0)
{
@ -4450,8 +4521,8 @@ RLAPI void CloseProcess(Process *process)
return;
}
#if defined(_WIN32)
// PROCESS_QUERY_INFORMATION | PROCESS_TERMINATE | PROCESS_SUSPEND_RESUME
void* hProcess = OpenProcess(0x0400 | 0x0001 | 0x0800, 0, (unsigned long)process->pid);
// PROCESS_TERMINATE
void *hProcess = OpenProcess(0x0001, 0, (unsigned long)process->pid);
if (hProcess == NULL)
{
TRACELOG(LOG_WARNING, "PROCESS: Failed to open process handle");