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sched tests: Avoid underflow when maxcpuid == 0

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MFC after:	1 week
This commit is contained in:
Mark Johnston 2024-07-14 12:12:32 -04:00
parent 7cd9131591
commit 5b98bd3068
1 changed files with 5 additions and 2 deletions
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7
tests/sys/kern/sched_affinity.c
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@ -67,13 +67,16 @@ ATF_TC_BODY(test_setinvalidcpu, tc)
{
size_t cpusetsize;
cpuset_t *set;
int cpu;
cpu = maxcpuid > 1 ? maxcpuid - 1 : 0;
cpusetsize = CPU_ALLOC_SIZE(maxcpuid + 1);
set = CPU_ALLOC(maxcpuid + 1);
ATF_REQUIRE(set != NULL);
CPU_ZERO_S(cpusetsize, set);
CPU_SET_S(maxcpuid + 1, cpusetsize, set);
CPU_SET_S(maxcpuid - 1, cpusetsize, set);
CPU_SET_S(cpu, cpusetsize, set);
ATF_REQUIRE(sched_setaffinity(0, cpusetsize, set) == 0);
CPU_FREE(set);
@ -82,7 +85,7 @@ ATF_TC_BODY(test_setinvalidcpu, tc)
ATF_REQUIRE(set != NULL);
CPU_ZERO_S(cpusetsize, set);
CPU_SET_S(maxcpuid + 1, cpusetsize, set);
CPU_SET_S(maxcpuid - 1, cpusetsize, set);
CPU_SET_S(cpu, cpusetsize, set);
ATF_REQUIRE(cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
-1, cpusetsize, set) == -1);
ATF_REQUIRE_EQ(errno, EINVAL);