mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-23 06:59:53 -05:00
d806b19714
commands used for this (executed from the pulseaudio/src directory):
find . -regex '\(.*\.[hc]\|.*\.cc\|.*\.m4\)' -not -name 'macro.h' \
-a -not -name 'reserve.[ch]' -a -not -name 'reserve-monitor.[ch]' \
-a -not -name 'glib-mainloop.c' -a -not -name 'gkt-test.c' \
-a -not -name 'glib-mainloop.c' -a -not -name 'gkt-test.c' \
-a -not -name 'poll-win32.c' -a -not -name 'thread-win32.c' \
-a -not -name 'dllmain.c' -a -not -name 'gconf-helper.c' \
-exec sed -i -e 's/\bpa_bool_t\b/bool/g' \
-e 's/\bTRUE\b/true/g' -e 's/\bFALSE\b/false/g' {} \;
and:
sed -i -e '181,194!s/\bpa_bool_t\b/bool/' \
-e '181,194!s/\bTRUE\b/true/' -e \
'181,194!s/\bFALSE\b/false/' pulsecore/macro.h
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2009 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <unistd.h>
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#include <pulsecore/atomic.h>
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#include <pulsecore/macro.h>
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#include "fork-detect.h"
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int pa_detect_fork(void) {
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static pa_atomic_t pid = PA_ATOMIC_INIT((int) -1);
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/* Some really stupid applications (Hey, vim, that means you!)
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* love to fork after initializing
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* gtk/libcanberra/pulseaudio. This is really bad style. We
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* however have to deal with this cleanly, so we try to detect the
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* forks making sure all our calls fail cleanly after the fork. */
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pa_assert_cc(sizeof(pa_atomic_t) >= sizeof(pid_t));
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for (;;) {
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pid_t stored_pid = (pid_t) pa_atomic_load(&pid);
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/* First let's check whether the current pid matches the stored one */
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if (stored_pid == getpid())
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return false;
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/* Does it contain a different PID than ours? Then the process got forked. */
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if ((int) stored_pid != (int) -1)
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return true;
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/* Ok, it still contains no PID, then store it */
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if (pa_atomic_cmpxchg(&pid, (int) -1, (int) getpid()))
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return false;
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}
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}
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