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fixed warning with invalid cast to cpu_set_t

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git-svn-id: https://zerberus.eonerc.rwth-aachen.de:8443/svn/s2ss/trunk@56 8ec27952-4edc-4aab-86aa-e87bb2611832
This commit is contained in:
Steffen Vogel 2014-06-05 09:35:34 +00:00
parent 541d27a896
commit d8fa44d583
1 changed files with 14 additions and 2 deletions
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16
src/utils.c
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@ -90,6 +90,18 @@ int resolve_addr(const char *addr, struct sockaddr_in *sa, int flags)
return 0;
}
static cpu_set_t to_cpu_set_t(int set)
{
cpu_set_t cset;
for (int i = 0; i < sizeof(int) * 8; i++) {
if (set & (1L << i))
CPU_SET(i, &cset);
}
return cset;
}
void init_realtime(struct config *g)
{
/* Prefault stack */
@ -119,9 +131,9 @@ void init_realtime(struct config *g)
debug(3, "Set task priority to %u", g->priority);
/* Pin threads to CPUs by setting the affinity */
size_t cset = g->affinity;
cpu_set_t cset = to_cpu_set_t(g->affinity);
pid_t pid = getpid();
if (sched_setaffinity(pid, sizeof(cset), (const struct cpu_set_t *) &cset))
if (sched_setaffinity(pid, sizeof(cset), &cset))
perror("Failed to set CPU affinity");
else
debug(3, "Set affinity to %#x", g->affinity);