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Re: [PATCH] tests: don't assume getdtablesize () <= 10000000
From: |
Paul Eggert |
Subject: |
Re: [PATCH] tests: don't assume getdtablesize () <= 10000000 |
Date: |
Tue, 11 Jun 2013 00:14:17 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 |
Thanks, I pushed the following to try to fix that.
Does it work for you now?
>From 342e81a945375561e6185e2ad724970b29a8129f Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Tue, 11 Jun 2013 00:10:21 -0700
Subject: [PATCH] tests: port large-fd POSIX spawn tests to OS X
Problem reported by Daiki Ueno in
<http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00031.html>.
* tests/test-posix_spawn_file_actions_addclose.c:
* tests/test-posix_spawn_file_actions_adddup2.c:
* tests/test-posix_spawn_file_actions_addopen.c:
Include <limits.h>, for OPEN_MAX, if available.
(big_fd): New static function.
(main): Use it.
---
ChangeLog | 12 ++++++++++++
tests/test-posix_spawn_file_actions_addclose.c | 19 +++++++++++++++++--
tests/test-posix_spawn_file_actions_adddup2.c | 17 ++++++++++++++++-
tests/test-posix_spawn_file_actions_addopen.c | 18 +++++++++++++++++-
4 files changed, 62 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 2c2ac44..aeb1bc5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2013-06-11 Paul Eggert <address@hidden>
+
+ tests: port large-fd POSIX spawn tests to OS X
+ Problem reported by Daiki Ueno in
+ <http://lists.gnu.org/archive/html/bug-gnulib/2013-06/msg00031.html>.
+ * tests/test-posix_spawn_file_actions_addclose.c:
+ * tests/test-posix_spawn_file_actions_adddup2.c:
+ * tests/test-posix_spawn_file_actions_addopen.c:
+ Include <limits.h>, for OPEN_MAX, if available.
+ (big_fd): New static function.
+ (main): Use it.
+
2013-06-04 Bernhard Voelker <address@hidden>
tests/nap.h: use an adaptive delay to avoid ctime update issues
diff --git a/tests/test-posix_spawn_file_actions_addclose.c
b/tests/test-posix_spawn_file_actions_addclose.c
index 47b12d0..296f101 100644
--- a/tests/test-posix_spawn_file_actions_addclose.c
+++ b/tests/test-posix_spawn_file_actions_addclose.c
@@ -23,10 +23,25 @@ SIGNATURE_CHECK (posix_spawn_file_actions_addclose, int,
(posix_spawn_file_actions_t *, int));
#include <errno.h>
+#include <limits.h>
#include <unistd.h>
#include "macros.h"
+/* Return a file descriptor that is too big to use.
+ Prefer the smallest such fd, except use OPEN_MAX if it is defined
+ and is greater than getdtablesize (), as that's how OS X works. */
+static int
+big_fd (void)
+{
+ int fd = getdtablesize ();
+#ifdef OPEN_MAX
+ if (fd < OPEN_MAX)
+ fd = OPEN_MAX;
+#endif
+ return fd;
+}
+
int
main (void)
{
@@ -40,9 +55,9 @@ main (void)
ASSERT (posix_spawn_file_actions_addclose (&actions, -1) == EBADF);
}
{
+ int bad_fd = big_fd ();
errno = 0;
- ASSERT (posix_spawn_file_actions_addclose (&actions, getdtablesize ())
- == EBADF);
+ ASSERT (posix_spawn_file_actions_addclose (&actions, bad_fd) == EBADF);
}
return 0;
diff --git a/tests/test-posix_spawn_file_actions_adddup2.c
b/tests/test-posix_spawn_file_actions_adddup2.c
index d728eff..fe33c02 100644
--- a/tests/test-posix_spawn_file_actions_adddup2.c
+++ b/tests/test-posix_spawn_file_actions_adddup2.c
@@ -23,14 +23,29 @@ SIGNATURE_CHECK (posix_spawn_file_actions_adddup2, int,
(posix_spawn_file_actions_t *, int, int));
#include <errno.h>
+#include <limits.h>
#include <unistd.h>
#include "macros.h"
+/* Return a file descriptor that is too big to use.
+ Prefer the smallest such fd, except use OPEN_MAX if it is defined
+ and is greater than getdtablesize (), as that's how OS X works. */
+static int
+big_fd (void)
+{
+ int fd = getdtablesize ();
+#ifdef OPEN_MAX
+ if (fd < OPEN_MAX)
+ fd = OPEN_MAX;
+#endif
+ return fd;
+}
+
int
main (void)
{
- int bad_fd = getdtablesize ();
+ int bad_fd = big_fd ();
posix_spawn_file_actions_t actions;
ASSERT (posix_spawn_file_actions_init (&actions) == 0);
diff --git a/tests/test-posix_spawn_file_actions_addopen.c
b/tests/test-posix_spawn_file_actions_addopen.c
index c2329d4..a4865ca 100644
--- a/tests/test-posix_spawn_file_actions_addopen.c
+++ b/tests/test-posix_spawn_file_actions_addopen.c
@@ -25,10 +25,25 @@ SIGNATURE_CHECK (posix_spawn_file_actions_addopen, int,
#include <errno.h>
#include <fcntl.h>
+#include <limits.h>
#include <unistd.h>
#include "macros.h"
+/* Return a file descriptor that is too big to use.
+ Prefer the smallest such fd, except use OPEN_MAX if it is defined
+ and is greater than getdtablesize (), as that's how OS X works. */
+static int
+big_fd (void)
+{
+ int fd = getdtablesize ();
+#ifdef OPEN_MAX
+ if (fd < OPEN_MAX)
+ fd = OPEN_MAX;
+#endif
+ return fd;
+}
+
int
main (void)
{
@@ -44,8 +59,9 @@ main (void)
== EBADF);
}
{
+ int bad_fd = big_fd ();
errno = 0;
- ASSERT (posix_spawn_file_actions_addopen (&actions, getdtablesize (),
+ ASSERT (posix_spawn_file_actions_addopen (&actions, bad_fd,
"foo", 0, O_RDONLY)
== EBADF);
}
--
1.7.11.7