[newlib-cygwin] Cygwin: /proc/[PID]/stat to pull process priority correctly

Corinna Vinschen corinna@sourceware.org
Mon Dec 2 08:57:00 GMT 2019


https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8574f8a1e4b02a4b47e2434111c4e2c382a9f046

commit 8574f8a1e4b02a4b47e2434111c4e2c382a9f046
Author: Anton Lavrentiev via cygwin-patches <cygwin-patches@cygwin.com>
Date:   Sat Nov 30 22:58:14 2019 -0500

    Cygwin: /proc/[PID]/stat to pull process priority correctly
    
    Fix to prior commit 5fa9a0e7 to address https://cygwin.com/ml/cygwin/2019-08/msg00082.html

Diff:
---
 winsup/cygwin/fhandler_process.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc
index 9527fea..6fc3476 100644
--- a/winsup/cygwin/fhandler_process.cc
+++ b/winsup/cygwin/fhandler_process.cc
@@ -1076,6 +1076,7 @@ format_process_stat (void *data, char *&destbuf)
   unsigned long fault_count = 0UL,
 		vmsize = 0UL, vmrss = 0UL, vmmaxrss = 0UL;
   uint64_t utime = 0ULL, stime = 0ULL, start_time = 0ULL;
+  int nice = 0;
 
   if (p->process_state & PID_EXITED)
     strcpy (cmd, "<defunct>");
@@ -1138,6 +1139,7 @@ format_process_stat (void *data, char *&destbuf)
       if (!NT_SUCCESS (status))
 	debug_printf ("NtQueryInformationProcess(ProcessQuotaLimits): "
 		      "status %y", status);
+      nice = winprio_to_nice (GetPriorityClass (hProcess));
       CloseHandle (hProcess);
     }
   status = NtQuerySystemInformation (SystemTimeOfDayInformation,
@@ -1157,7 +1159,6 @@ format_process_stat (void *data, char *&destbuf)
   vmsize = vmc.PagefileUsage;
   vmrss = vmc.WorkingSetSize / page_size;
   vmmaxrss = ql.MaximumWorkingSetSize / page_size;
-  int nice = winprio_to_nice(GetPriorityClass(hProcess));
 
   destbuf = (char *) crealloc_abort (destbuf, strlen (cmd) + 320);
   return __small_sprintf (destbuf, "%d (%s) %c "
@@ -1169,7 +1170,7 @@ format_process_stat (void *data, char *&destbuf)
 			  p->pid, cmd, state,
 			  p->ppid, p->pgid, p->sid, p->ctty, -1,
 			  0, fault_count, fault_count, 0, 0, utime, stime,
-                         utime, stime, NZERO + nice, nice, 0, 0,
+			  utime, stime, NZERO + nice, nice, 0, 0,
 			  start_time, vmsize,
 			  vmrss, vmmaxrss
 			  );



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