PID of multi-threaded core's file name is wrong in 2.5.59

From: MAEDA Naoaki (maeda.naoaki@jp.fujitsu.com)
Date: Fri Jan 24 2003 - 23:56:11 EST

Hi,

I found sometimes pid of muitl-threaded core's file name shows
wrong number in 2.5.59 with NPTL-0.17. Problem is, pid of core file
name comes from currnet->pid, but I think it should be current->tgid.

Following patch fixes this problem.

MAEDA Naoaki

diff -Naur linux-2.5.59/fs/exec.c linux-2.5.59-corepidfix/fs/exec.c
--- linux-2.5.59/fs/exec.c 2003-01-17 11:22:02.000000000 +0900
+++ linux-2.5.59-corepidfix/fs/exec.c 2003-01-25 13:20:50.000000000 +0900
@@ -1166,7 +1166,7 @@
                         case 'p':
                                 pid_in_pattern = 1;
                                 rc = snprintf(out_ptr, out_end - out_ptr,
- "%d", current->pid);
+ "%d", current->tgid);
                                 if (rc > out_end - out_ptr)
                                         goto out;
                                 out_ptr += rc;
@@ -1238,7 +1238,7 @@
         if (!pid_in_pattern
             && (core_uses_pid || atomic_read(&current->mm->mm_users) != 1)) {
                 rc = snprintf(out_ptr, out_end - out_ptr,
- ".%d", current->pid);
+ ".%d", current->tgid);
                 if (rc > out_end - out_ptr)
                         goto out;
                 out_ptr += rc;
-
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This archive was generated by hypermail 2b29 : Fri Jan 31 2003 - 22:00:13 EST