From 33721d7e579a4a4aef210f14eb240aff13ff4e3e Mon Sep 17 00:00:00 2001
From: albert <>
Date: Thu, 6 Jan 2005 00:49:09 +0000
Subject: [PATCH] document #C to P change

---
 top.1 | 2 +-
 top.c | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/top.1 b/top.1
index 20505631..835bfca5 100644
--- a/top.1
+++ b/top.1
@@ -357,7 +357,7 @@ Zero in this field simply means priority will not be adjusted in determining a
 task's dispatchability.
 
 .TP 3
-j:\fB #C\fR \*(EM Last used \*(PU (SMP)
+j:\fB P\fR \*(EM Last used \*(PU (SMP)
 A number representing the last used processor.
 In a true SMP environment this will likely change frequently since the kernel
 intentionally uses weak affinity.
diff --git a/top.c b/top.c
index e23fe2c8..65653394 100644
--- a/top.c
+++ b/top.c
@@ -3269,6 +3269,7 @@ int main (int dont_care_argc, char *argv[])
          select(0, NULL, NULL, NULL, &tv);  // ought to loop until done
       } else {
          long file_flags;
+         int rc;
          char c;
          fd_set fs;
          FD_ZERO(&fs);
@@ -3276,8 +3277,13 @@ int main (int dont_care_argc, char *argv[])
          file_flags = fcntl(STDIN_FILENO, F_GETFL);
          if(file_flags==-1) file_flags=0;
          fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK|file_flags);
+
          // check 1st, in case tv zeroed (by sig handler) before it got set
-         if (chin(0, &c, 1) <= 0) {
+         rc = chin(0, &c, 1);
+         if (rc <= 0) {
+            // EOF is pretty much a "can't happen" except for a kernel bug.
+            // We should quickly die via SIGHUP, and thus not spin here.
+            // if (rc == 0) end_pgm(0); /* EOF from terminal */
             fcntl(STDIN_FILENO, F_SETFL, file_flags);
             select(1, &fs, NULL, NULL, &tv);
             fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK|file_flags);