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declare variables set from signal handlers as volatile

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Make sure variables set from signal handlers are not cached in
registers.
This commit is contained in:
Miroslav Lichvar
2021-03-17 09:21:42 +01:00
parent 4e7690ebec
commit 3812ec2aa2
2 changed files with 3 additions and 2 deletions
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3
sched.c
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@@ -111,7 +111,8 @@ static struct timespec last_class_dispatch[SCH_NumberOfClasses];
/* ================================================== */
static int need_to_exit;
/* Flag terminating the main loop, which can be set from a signal handler */
static volatile int need_to_exit;
/* ================================================== */