X-Git-Url: http://git.rot13.org/?p=Fuse-DBI;a=blobdiff_plain;f=DBI.pm;h=c360e3cfdbc0ad5b6bc4ee4d385d06da90a5c3fe;hp=a70c24aa7e7f647ad01a43cfb293a0ae3bfede5f;hb=be5fefa8aa14f882f489116ca67e62aa0dbd80f7;hpb=31f5df9cb7d1ddc06a2baebf885f8716884d8653 diff --git a/DBI.pm b/DBI.pm index a70c24a..c360e3c 100755 --- a/DBI.pm +++ b/DBI.pm @@ -13,7 +13,7 @@ use Carp; use Data::Dumper; -our $VERSION = '0.05'; +our $VERSION = '0.07'; =head1 NAME @@ -148,12 +148,20 @@ sub mount { my $pid; if ($arg->{'fork'}) { - $self->{'mounted'} = 1; $pid = fork(); die "fork() failed: $!" unless defined $pid; # child will return to caller if ($pid) { - return $self; + my $counter = 4; + while ($counter && ! $self->is_mounted) { + select(undef, undef, undef, 0.5); + $counter--; + } + if ($self->is_mounted) { + return $self; + } else { + return undef; + } } } @@ -170,8 +178,6 @@ sub mount { $self->{'read_filenames'} = sub { $self->read_filenames }; $self->read_filenames; - $self->{'mounted'} = 1 unless ($arg->{'fork'}); - $fuse_self = \$self; Fuse::main( @@ -189,14 +195,38 @@ sub mount { debug=>0, ); - $self->{'mounted'} = 0; - exit(0) if ($arg->{'fork'}); return 1; }; +=head2 is_mounted + +Check if fuse filesystem is mounted + + if ($mnt->is_mounted) { ... } + +=cut + +sub is_mounted { + my $self = shift; + + my $mounted = 0; + my $mount = $self->{'mount'} || confess "can't find mount point!"; + if (open(MTAB, "/etc/mtab")) { + while() { + $mounted = 1 if (/ $mount fuse /i); + } + close(MTAB); + } else { + warn "can't open /etc/mtab: $!"; + } + + return $mounted; +} + + =head2 umount Unmount your database as filesystem. @@ -211,23 +241,31 @@ database to filesystem. sub umount { my $self = shift; - if ($self->{'mounted'}) { - system "fusermount -u ".$self->{'mount'} || warn "umount error: $!" && return 0; + if ($self->{'mount'} && $self->is_mounted) { + system "fusermount -u ".$self->{'mount'}." 2>&1 >/dev/null" || return 0; + return 1; } - return 1; + return 0; } $SIG{'INT'} = sub { - print STDERR "umount called by SIG INT\n"; - umount; + if ($fuse_self && $$fuse_self->umount) { + print STDERR "umount called by SIG INT\n"; + } +}; + +$SIG{'QUIT'} = sub { + if ($fuse_self && $$fuse_self->umount) { + print STDERR "umount called by SIG QUIT\n"; + } }; sub DESTROY { my $self = shift; - return if (! $self->{'mounted'}); - print STDERR "umount called by DESTROY\n"; - $self->umount; + if ($self->umount) { + print STDERR "umount called by DESTROY\n"; + } } =head2 fuse_module_loaded @@ -265,6 +303,10 @@ sub read_filenames { type => 0040, mode => 0755, }, + '..' => { + type => 0040, + mode => 0755, + }, # a => { # cont => "File 'a'.\n", # type => 0100, @@ -521,6 +563,12 @@ __END__ Nothing. +=head1 BUGS + +Size information (C) is wrong. It's a problem in upstream Fuse module +(for which I'm to blame lately), so when it gets fixes, C will +automagically pick it up. + =head1 SEE ALSO C website