Zebediah Figura : ntdll: Fill the VM counters in NtQuerySystemInformation(SystemProcessInformation).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 829c7595130bb84e131b797e45a84176b169a81c
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=829c7595130bb84e131b797e4...

Author: Zebediah Figura <z.figura12(a)gmail.com>
Date:   Wed Jul  8 21:14:53 2020 -0500

ntdll: Fill the VM counters in NtQuerySystemInformation(SystemProcessInformation).

Process Hacker displays this information.

Signed-off-by: Zebediah Figura <z.figura12(a)gmail.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/ntdll/unix/process.c      | 19 +++++++++++++------
 dlls/ntdll/unix/system.c       |  1 +
 dlls/ntdll/unix/unix_private.h |  1 +
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/dlls/ntdll/unix/process.c b/dlls/ntdll/unix/process.c
index 1e31fee326..8a4da2cd55 100644
--- a/dlls/ntdll/unix/process.c
+++ b/dlls/ntdll/unix/process.c
@@ -1002,10 +1002,13 @@ NTSTATUS WINAPI NtTerminateProcess( HANDLE handle, LONG exit_code )
 
 #if defined(HAVE_MACH_MACH_H)
 
-static void fill_VM_COUNTERS( VM_COUNTERS_EX *pvmi )
+void fill_vm_counters( VM_COUNTERS_EX *pvmi, int unix_pid )
 {
 #if defined(MACH_TASK_BASIC_INFO)
     struct mach_task_basic_info info;
+
+    if (unix_pid != -1) return; /* FIXME: Retrieve information for other processes. */
+
     mach_msg_type_number_t infoCount = MACH_TASK_BASIC_INFO_COUNT;
     if(task_info(mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info, &infoCount) == KERN_SUCCESS)
     {
@@ -1019,13 +1022,17 @@ static void fill_VM_COUNTERS( VM_COUNTERS_EX *pvmi )
 
 #elif defined(linux)
 
-static void fill_VM_COUNTERS( VM_COUNTERS_EX *pvmi )
+void fill_vm_counters( VM_COUNTERS_EX *pvmi, int unix_pid )
 {
     FILE *f;
-    char line[256];
+    char line[256], path[26];
     unsigned long value;
 
-    f = fopen("/proc/self/status", "r");
+    if (unix_pid == -1)
+        strcpy( path, "/proc/self/status" );
+    else
+        sprintf( path, "/proc/%u/status", unix_pid);
+    f = fopen( path, "r" );
     if (!f) return;
 
     while (fgets(line, sizeof(line), f))
@@ -1050,7 +1057,7 @@ static void fill_VM_COUNTERS( VM_COUNTERS_EX *pvmi )
 
 #else
 
-static void fill_VM_COUNTERS( VM_COUNTERS_EX *pvmi )
+void fill_vm_counters( VM_COUNTERS_EX *pvmi, int unix_pid )
 {
     /* FIXME : real data */
 }
@@ -1171,7 +1178,7 @@ NTSTATUS WINAPI NtQueryInformationProcess( HANDLE handle, PROCESSINFOCLASS class
                 else
                 {
                     memset(&pvmi, 0, sizeof(pvmi));
-                    if (handle == GetCurrentProcess()) fill_VM_COUNTERS(&pvmi);
+                    if (handle == GetCurrentProcess()) fill_vm_counters( &pvmi, -1 );
                     else
                     {
                         SERVER_START_REQ(get_process_vm_counters)
diff --git a/dlls/ntdll/unix/system.c b/dlls/ntdll/unix/system.c
index a80d3c4fd4..33fb37ec33 100644
--- a/dlls/ntdll/unix/system.c
+++ b/dlls/ntdll/unix/system.c
@@ -2147,6 +2147,7 @@ NTSTATUS WINAPI NtQuerySystemInformation( SYSTEM_INFORMATION_CLASS class,
                 nt_process->ParentProcessId = UlongToHandle(server_process->parent_pid);
                 nt_process->HandleCount = server_process->handle_count;
                 get_thread_times( server_process->unix_pid, -1, &nt_process->KernelTime, &nt_process->UserTime );
+                fill_vm_counters( &nt_process->vmCounters, server_process->unix_pid );
             }
 
             pos = (pos + 7) & ~7;
diff --git a/dlls/ntdll/unix/unix_private.h b/dlls/ntdll/unix/unix_private.h
index be3906cfd1..711a0bed2b 100644
--- a/dlls/ntdll/unix/unix_private.h
+++ b/dlls/ntdll/unix/unix_private.h
@@ -221,6 +221,7 @@ extern void DECLSPEC_NORETURN signal_start_thread( PRTL_THREAD_START_ROUTINE ent
                                                    BOOL suspend, void *relay, TEB *teb ) DECLSPEC_HIDDEN;
 extern void DECLSPEC_NORETURN signal_exit_thread( int status, void (*func)(int) ) DECLSPEC_HIDDEN;
 extern void __wine_syscall_dispatcher(void) DECLSPEC_HIDDEN;
+extern void fill_vm_counters( VM_COUNTERS_EX *pvmi, int unix_pid ) DECLSPEC_HIDDEN;
 
 extern NTSTATUS cdrom_DeviceIoControl( HANDLE device, HANDLE event, PIO_APC_ROUTINE apc, void *apc_user,
                                        IO_STATUS_BLOCK *io, ULONG code, void *in_buffer,