From: Jason Dillaman <dillaman@redhat.com>
Date: Tue, 27 Oct 2015 14:12:34 +0000 (-0400)
Subject: run_cmd: close parent process console file descriptors
X-Git-Tag: v10.0.1~107^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f46f7dc94139c0bafe10361622416d7dc343d31f;p=ceph.git

run_cmd: close parent process console file descriptors

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---

diff --git a/src/common/run_cmd.cc b/src/common/run_cmd.cc
index 5f5cc3cca323..81e41712b9b3 100644
--- a/src/common/run_cmd.cc
+++ b/src/common/run_cmd.cc
@@ -47,6 +47,9 @@ std::string run_cmd(const char *cmd, ...)
   }
   else if (fret == 0) {
     // execvp doesn't modify its arguments, so the const-cast here is safe.
+    close(STDIN_FILENO);
+    close(STDOUT_FILENO);
+    close(STDERR_FILENO);
     execvp(cmd, (char * const*)&arr[0]);
     _exit(127);
   }