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main: make is_shutdown() non-blocking

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This commit is contained in:
Thomas Schoebel-Theuer 2020-01-27 08:03:16 +01:00
parent 72c044b073
commit f446882efd
1 changed files with 10 additions and 16 deletions
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26
kernel/sy_old/mars_main.c
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@ -2584,24 +2584,18 @@ void __mars_remote_trigger(bool do_all)
static
bool is_shutdown(void)
{
bool res = false;
int used;
if ((used = atomic_read(&global_mshadow_count)) > 0) {
int used = atomic_read(&global_mshadow_count);
if (used > 0) {
MARS_INF("global shutdown delayed: there are %d buffers in use, occupying %ld bytes\n", used, atomic64_read(&global_mshadow_used));
} else {
int rounds = 3;
while ((used = atomic_read(&mars_global_io_flying)) <= 0) {
if (--rounds <= 0) {
res = true;
break;
}
brick_msleep(30);
}
if (!res) {
MARS_INF("global shutdown delayed: there are %d IO requests flying\n", used);
}
return false;
}
return res;
used = atomic_read(&mars_global_io_flying);
if (used <= 0)
return true;
MARS_INF("global shutdown delayed: there are %d IO requests flying\n", used);
return false;
}
///////////////////////////////////////////////////////////////////////