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Do not call event_del() for signals after fork(), just use sigaction()
directly instead - calling libevent functions after fork() w/o
event_reinit() is a bad idea, even if in this case it was harmless.
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Make signal handler setup/teardown two common functions instead of six,
and reset SIGCHLD after fork to fix problems with some shells. From
Romain Francoise.
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modified with setenv -g) rather than with the environment tmux started
with.
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Typo fix from Tim van der Molen.
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Massive spaces->tabs and trailing whitespace cleanup, hopefully for the last
time now I've configured emacs to make them displayed in really annoying
colours...
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Remove a couple of unused arguments where possible, and add /* ARGSUSED */ to
the rest to reduce lint output.
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Add back JOB_PERSIST checks that got lost.
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Switch jobs over to use a bufferevent.
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Initial changes to move tmux to libevent.
This moves the client-side loops are pretty much fully over to event-based only
(tmux.c and client.c) but server-side (server.c and friends) treats libevent as
a sort of clever poll, waking up after every event to run various things.
Moving the server stuff over to bufferevents and timers and so on will come
later.
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Add a flag for jobs that shouldn't be freed after they've died and use it for
status jobs, then only kill those jobs when status-left, status-right or
set-titles-string is changed.
Fixes problems with changing options from inside #().
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Remove unused function.
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recommended. DOH.
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Switch run-shell over to queue the command in the background like #().
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There isn't much point in having a free function if it isn't used.
Also allow a NULL tree.
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Collect status from dead jobs and don't invoke the callback until both
all input (the socket is closed) and status is available.
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Put all jobs on a global all_jobs list and use that in server.c instead of
running through all the clients.
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Rather than running status-left, status-right and window title #() with popen
immediately every redraw, queue them up and run them in the background,
starting each once every status-interval. The actual status line uses the
output from the last run.
This brings several advantages:
- tmux itself may be called from inside #() without causing the server to hang;
- likewise, sleep or similar doesn't cause the server to block;
- commands aren't run excessively often when redrawing;
- commands shared by status-left and status-right, or used multiple times, will
only be run once.
run-shell and if-shell still use system()/popen() but will be changed over to
use this too later.
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