diff options
| -rw-r--r-- | winsup/cygwin/fhandler_process.cc | 17 | ||||
| -rw-r--r-- | winsup/cygwin/pinfo.cc | 8 | ||||
| -rw-r--r-- | winsup/cygwin/sched.cc | 3 | ||||
| -rw-r--r-- | winsup/cygwin/times.cc | 5 |
4 files changed, 20 insertions, 13 deletions
diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc index f92decd..9730fa7 100644 --- a/winsup/cygwin/fhandler_process.cc +++ b/winsup/cygwin/fhandler_process.cc @@ -702,7 +702,8 @@ struct thread_info free (buf); return; } - proc = (PSYSTEM_PROCESS_INFORMATION) ((PBYTE) proc + proc->NextEntryOffset); + proc = (PSYSTEM_PROCESS_INFORMATION) ((PBYTE) proc + + proc->NextEntryOffset); } thread = proc->Threads; for (ULONG i = 0; i < proc->NumberOfThreads; ++i) @@ -711,8 +712,9 @@ struct thread_info TEB teb; HANDLE thread_h; - if (!(thread_h = OpenThread (THREAD_QUERY_INFORMATION, FALSE, - (ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread))) + thread_h = OpenThread (THREAD_QUERY_LIMITED_INFORMATION, FALSE, + (ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread); + if (!thread_h) continue; status = NtQueryInformationThread (thread_h, ThreadBasicInformation, &tbi, sizeof tbi, NULL); @@ -722,7 +724,8 @@ struct thread_info region *r = (region *) malloc (sizeof (region)); if (r) { - *r = (region) { regions, (ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread, + *r = (region) { regions, + (ULONG) (ULONG_PTR) thread[i].ClientId.UniqueThread, (char *) tbi.TebBaseAddress, (char *) tbi.TebBaseAddress + 2 * wincap.page_size (), @@ -792,8 +795,8 @@ static off_t format_process_maps (void *data, char *&destbuf) { _pinfo *p = (_pinfo *) data; - HANDLE proc = OpenProcess (PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, - FALSE, p->dwProcessId); + HANDLE proc = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION + | PROCESS_VM_READ, FALSE, p->dwProcessId); if (!proc) return 0; @@ -1075,7 +1078,7 @@ format_process_stat (void *data, char *&destbuf) QUOTA_LIMITS ql; SYSTEM_TIMEOFDAY_INFORMATION stodi; SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION spt; - hProcess = OpenProcess (PROCESS_VM_READ | PROCESS_QUERY_INFORMATION, + hProcess = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ, FALSE, p->dwProcessId); if (hProcess != NULL) { diff --git a/winsup/cygwin/pinfo.cc b/winsup/cygwin/pinfo.cc index 90be4a8..1ce6809 100644 --- a/winsup/cygwin/pinfo.cc +++ b/winsup/cygwin/pinfo.cc @@ -517,7 +517,8 @@ _pinfo::exists () bool _pinfo::alive () { - HANDLE h = OpenProcess (PROCESS_QUERY_INFORMATION, false, dwProcessId); + HANDLE h = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION, false, + dwProcessId); if (h) CloseHandle (h); return !!h; @@ -872,7 +873,8 @@ open_commune_proc_parms (DWORD pid, PRTL_USER_PROCESS_PARAMETERS prupp) PROCESS_BASIC_INFORMATION pbi; PEB lpeb; - proc = OpenProcess (PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pid); + proc = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ, + FALSE, pid); if (!proc) return NULL; status = NtQueryInformationProcess (proc, ProcessBasicInformation, @@ -1243,7 +1245,7 @@ winpids::add (DWORD& nelem, bool winpid, DWORD pid) { /* Open a process to prevent a subsequent exit from invalidating the shared memory region. */ - onreturn = OpenProcess (PROCESS_QUERY_INFORMATION, false, pid); + onreturn = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION, false, pid); /* If we couldn't open the process then we don't have rights to it and should make a copy of the shared memory area when it exists (it may not). */ diff --git a/winsup/cygwin/sched.cc b/winsup/cygwin/sched.cc index 085909e..3fd058f 100644 --- a/winsup/cygwin/sched.cc +++ b/winsup/cygwin/sched.cc @@ -88,7 +88,8 @@ sched_getparam (pid_t pid, struct sched_param *param) set_errno (ESRCH); return -1; } - process = OpenProcess (PROCESS_QUERY_INFORMATION, FALSE, p->dwProcessId); + process = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION, FALSE, + p->dwProcessId); if (!process) { set_errno (ESRCH); diff --git a/winsup/cygwin/times.cc b/winsup/cygwin/times.cc index 2b1e630..fb48051 100644 --- a/winsup/cygwin/times.cc +++ b/winsup/cygwin/times.cc @@ -528,7 +528,8 @@ clock_gettime (clockid_t clk_id, struct timespec *tp) return -1; } - hProcess = OpenProcess (PROCESS_QUERY_INFORMATION, 0, p->dwProcessId); + hProcess = OpenProcess (PROCESS_QUERY_LIMITED_INFORMATION, 0, + p->dwProcessId); NtQueryInformationProcess (hProcess, ProcessTimes, &kut, sizeof kut, NULL); @@ -550,7 +551,7 @@ clock_gettime (clockid_t clk_id, struct timespec *tp) if (thr_id == 0) thr_id = pthread::self ()->getsequence_np (); - hThread = OpenThread (THREAD_QUERY_INFORMATION, 0, thr_id); + hThread = OpenThread (THREAD_QUERY_LIMITED_INFORMATION, 0, thr_id); if (!hThread) { set_errno (EINVAL); |