Richard Valk wrote:
Recently tried to upgrade to the latest version of the courier-auth
daemon on my Mac OS X 10.4 and noticed a (I hope) small problem with the
latest 2 releases.
I compiled using:
./configure --with-authmysql --without-authpam
--with-mysql-libs=/usr/local/mysql/lib/mysql
--with-mysql-includes=/usr/local/mysql/include
As I did always with previous version succesfully, but when trying to
run I got the following error.
richard$ sudo /usr/local/sbin/authdaemond start
/usr/local/var/spool/authdaemon/pid.lock: Bad file descriptor
ll_daemon_start: Resource temporarily unavailable
I reverted to 0.59.3, compiled that with the same settings and
everything works again.
I'm unable to determine what has changed to cause this issue.
Does someone have any ideas ?
OPEN_MAX is the value used in ll_daemon_start() to figure out an
available file descriptor. I've heard that Mac OS X may have some
absurdly high value which may actually be larger than the actual file
descriptor table size. Can you try the attached patch?
Cheers,
-- Johnny C. Lam
$NetBSD$
--- liblock/lockdaemon.c.orig Wed Sep 26 02:44:34 2007
+++ liblock/lockdaemon.c
@@ -31,10 +31,21 @@
#include <sys/ioctl.h>
#endif
-#ifndef OPEN_MAX
-#ifdef HAVE_SYSCONF
-#ifdef _SC_OPEN_MAX
-#define OPEN_MAX (my_open_max())
+/*
+** XXX This should be replaced by an autoconf test, e.g.
+** XXX AC_FUNCS([getdtablesize]).
+*/
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
+ defined(__APPLE__)
+#define HAVE_GETDTABLESIZE 1
+#endif
+
+#if HAVE_GETDTABLESIZE
+#define MAX_FD (getdtablesize()-1)
+#elif defined(OPEN_MAX)
+#define MAX_FD (OPEN_MAX-1)
+#elif HAVE_SYSCONF && defined(_SC_OPEN_MAX)
+#define MAX_FD (my_open_max()-1)
static int my_open_max()
{
@@ -45,12 +56,8 @@ static int my_open_max()
return n;
}
-#endif
-#endif
-#endif
-
-#ifndef OPEN_MAX
-#define OPEN_MAX 64
+#else
+#define MAX_FD 63
#endif
#define exit(_a_) _exit(_a_)
@@ -168,14 +175,14 @@ int lockfd;
lockfd=open(lockfile, O_RDWR|O_CREAT, 0600);
}
- if (lockfd < 0 || dup2(lockfd, OPEN_MAX-1) != OPEN_MAX-1)
+ if (lockfd < 0 || dup2(lockfd, MAX_FD) != MAX_FD)
{
perror(lockfile);
exit(1);
}
close(lockfd);
- lockfd=OPEN_MAX-1;
+ lockfd=MAX_FD;
#ifdef FD_CLOEXEC
if (fcntl(lockfd, F_SETFD, FD_CLOEXEC) < 0)
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