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complete-run: close all fds except for 0, 1, 2 

running in a VIM subshell leads to one more fd, for example
This commit is contained in:
Michael Stapelberg 2011-11-20 10:51:21 +00:00
parent b0ee2dfd32
commit 3abd7ab073
2 changed files with 10 additions and 0 deletions
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5
testcases/complete-run.pl
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@ -24,10 +24,15 @@ use StartXDummy;
use StatusLine; use StatusLine;
# the following modules are not shipped with Perl # the following modules are not shipped with Perl
use AnyEvent; use AnyEvent;
use AnyEvent::Util;
use AnyEvent::Handle; use AnyEvent::Handle;
use AnyEvent::I3 qw(:all); use AnyEvent::I3 qw(:all);
use X11::XCB; use X11::XCB;
# Close superfluous file descriptors which were passed by running in a VIM
# subshell or situations like that.
AnyEvent::Util::close_all_fds_except(0, 1, 2);
# We actually use AnyEvent to make sure it loads an event loop implementation. # We actually use AnyEvent to make sure it loads an event loop implementation.
# Afterwards, we overwrite SIGCHLD: # Afterwards, we overwrite SIGCHLD:
my $cv = AnyEvent->condvar; my $cv = AnyEvent->condvar;

5
testcases/lib/SocketActivation.pm
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@ -7,6 +7,7 @@ use IO::Socket::UNIX; # core
use Cwd qw(abs_path); # core use Cwd qw(abs_path); # core
use POSIX qw(:fcntl_h); # core use POSIX qw(:fcntl_h); # core
use AnyEvent::Handle; # not core use AnyEvent::Handle; # not core
use AnyEvent::Util; # not core
use Exporter 'import'; use Exporter 'import';
use v5.10; use v5.10;
@ -78,6 +79,10 @@ sub activate_i3 {
POSIX::close(fileno($socket)); POSIX::close(fileno($socket));
} }
# Make sure no file descriptors are open. Strangely, I got an open file
# descriptor pointing to AnyEvent/Impl/EV.pm when testing.
AnyEvent::Util::close_all_fds_except(0, 1, 2, 3);
# Construct the command to launch i3. Use maximum debug level, disable # Construct the command to launch i3. Use maximum debug level, disable
# the interactive signalhandler to make it crash immediately instead. # the interactive signalhandler to make it crash immediately instead.
my $i3cmd = abs_path("../i3") . " -V -d all --disable-signalhandler"; my $i3cmd = abs_path("../i3") . " -V -d all --disable-signalhandler";