bump version to 4.0-82

[pve-common.git] / src / PVE / Tools.pm

diff --git a/src/PVE/Tools.pm b/src/PVE/Tools.pm
index 7ee3450f9eb603c92a0ea7b613c216104f1673d0..341f0ac1cdc63c4d18d05e9da011c13e5c927dd7 100644 (file)
--- a/src/PVE/Tools.pm
+++ b/src/PVE/Tools.pm
@@ -2,7 +2,7 @@ package PVE::Tools;
 
 use strict;
 use warnings;
-use POSIX qw(EINTR EEXIST);
+use POSIX qw(EINTR EEXIST EOPNOTSUPP);
 use IO::Socket::IP;
 use Socket qw(AF_INET AF_INET6 AI_ALL AI_V4MAPPED);
 use IO::Select;
@@ -1304,12 +1304,18 @@ sub tempfile {
     # default permissions are stricter than with file_set_contents
     $perm = 0600 if !defined($perm);
 
-    my $dir = $opts{dir} // '/tmp';
+    my $dir = $opts{dir} // '/run';
     my $mode = $opts{mode} // O_RDWR;
     $mode |= O_EXCL if !$opts{allow_links};
 
-    my $fh = IO::File->new($dir, $mode | O_TMPFILE, $perm)
-       or die "failed to create tempfile: $!\n";
+    my $fh = IO::File->new($dir, $mode | O_TMPFILE, $perm);
+    if (!$fh && $! == EOPNOTSUPP) {
+       $dir = '/tmp' if !defined($opts{dir});
+       $dir .= "/.tmpfile.$$";
+       $fh = IO::File->new($dir, $mode | O_CREAT | O_EXCL, $perm);
+       unlink($dir) if $fh;
+    }
+    die "failed to create tempfile: $!\n" if !$fh;
     return $fh;
 }