code.delx.au - pulseaudio/blob - src/tests/lock-autospawn-test.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2008 Lennart Poettering
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27
  28 #include <pulsecore/poll.h>
  29 #include <pulsecore/macro.h>
  30 #include <pulsecore/thread.h>
  31 #include <pulsecore/lock-autospawn.h>
  32 #include <pulse/util.h>
  33
  34 static void thread_func(void*k) {
  35     pa_assert_se(pa_autospawn_lock_init() >= 0);
  36
  37     pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k));
  38
  39     pa_assert_se(pa_autospawn_lock_acquire(TRUE) > 0);
  40
  41     pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k));
  42
  43     pa_msleep(5000);
  44
  45     pa_log("%i, Releasing", PA_PTR_TO_INT(k));
  46
  47     pa_autospawn_lock_release();
  48
  49     pa_autospawn_lock_done(FALSE);
  50 }
  51
  52 static void thread_func2(void *k) {
  53     int fd;
  54
  55     pa_assert_se((fd = pa_autospawn_lock_init()) >= 0);
  56
  57     pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k));
  58
  59     for (;;) {
  60         struct pollfd pollfd;
  61         int j;
  62
  63         if ((j = pa_autospawn_lock_acquire(FALSE)) > 0)
  64             break;
  65
  66         pa_assert(j == 0);
  67
  68         memset(&pollfd, 0, sizeof(pollfd));
  69         pollfd.fd = fd;
  70         pollfd.events = POLLIN;
  71
  72         pa_assert_se(pa_poll(&pollfd, 1, -1) == 1);
  73
  74         pa_log("%i, woke up", PA_PTR_TO_INT(k));
  75     }
  76
  77     pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k));
  78
  79     pa_msleep(5000);
  80
  81     pa_log("%i, Releasing", PA_PTR_TO_INT(k));
  82
  83     pa_autospawn_lock_release();
  84
  85     pa_autospawn_lock_done(FALSE);
  86 }
  87
  88 int main(int argc, char**argv) {
  89     pa_thread *a, *b, *c, *d;
  90
  91     pa_assert_se((a = pa_thread_new("test1", thread_func, PA_INT_TO_PTR(1))));
  92     pa_assert_se((b = pa_thread_new("test2", thread_func2, PA_INT_TO_PTR(2))));
  93     pa_assert_se((c = pa_thread_new("test3", thread_func2, PA_INT_TO_PTR(3))));
  94     pa_assert_se((d = pa_thread_new("test4", thread_func, PA_INT_TO_PTR(4))));
  95
  96     pa_thread_join(a);
  97     pa_thread_join(b);
  98     pa_thread_join(c);
  99     pa_thread_join(d);
 100
 101     pa_thread_free(a);
 102     pa_thread_free(b);
 103     pa_thread_free(c);
 104     pa_thread_free(d);
 105
 106     pa_log("End");
 107
 108     return 0;
 109 }