void-packages/srcpkgs/glibc/patches/glibc-upstream-56.patch

54 lines
1.9 KiB
Diff

From 874c28c9f5d14586ab71cd4af6899b11753caf25 Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Sat, 1 Dec 2018 21:43:36 +0100
Subject: [PATCH 55] support: Close original descriptors in
support_capture_subprocess
(cherry picked from commit 02cd5c1a8d033d7f91fea12a66bb44d1bbf85f76)
---
ChangeLog | 6 ++++++
support/support_capture_subprocess.c | 6 ++++++
2 files changed, 12 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index a979f53811..2951523334 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-12-01 Florian Weimer <fweimer@redhat.com>
+
+ * support/support_capture_subprocess.c
+ (support_capture_subprocess): Check that pipe descriptors have
+ expected values. Close original pipe descriptors in subprocess.
+
2018-11-28 Florian Weimer <fweimer@redhat.com>
* support/support.h (support_quote_string): Do not use str
diff --git a/support/support_capture_subprocess.c b/support/support_capture_subprocess.c
index 6d2029e13b..93f6ea3102 100644
--- a/support/support_capture_subprocess.c
+++ b/support/support_capture_subprocess.c
@@ -59,8 +59,12 @@ support_capture_subprocess (void (*callback) (void *), void *closure)
int stdout_pipe[2];
xpipe (stdout_pipe);
+ TEST_VERIFY (stdout_pipe[0] > STDERR_FILENO);
+ TEST_VERIFY (stdout_pipe[1] > STDERR_FILENO);
int stderr_pipe[2];
xpipe (stderr_pipe);
+ TEST_VERIFY (stderr_pipe[0] > STDERR_FILENO);
+ TEST_VERIFY (stderr_pipe[1] > STDERR_FILENO);
TEST_VERIFY (fflush (stdout) == 0);
TEST_VERIFY (fflush (stderr) == 0);
@@ -72,6 +76,8 @@ support_capture_subprocess (void (*callback) (void *), void *closure)
xclose (stderr_pipe[0]);
xdup2 (stdout_pipe[1], STDOUT_FILENO);
xdup2 (stderr_pipe[1], STDERR_FILENO);
+ xclose (stdout_pipe[1]);
+ xclose (stderr_pipe[1]);
callback (closure);
_exit (0);
}