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54 lines
2.7 KiB
C
54 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/cpuset.h"
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#include "libc/dce.h"
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#include "libc/intrin/popcnt.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/sysconf.h"
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#include "libc/testlib/testlib.h"
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void SetUp(void) {
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if (!IsLinux()) {
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exit(0);
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}
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}
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TEST(sched_getaffinity, firstOnly) {
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cpu_set_t x, y;
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CPU_ZERO(&x);
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CPU_SET(0, &x);
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ASSERT_SYS(0, 0, sched_setaffinity(0, sizeof(x), &x));
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ASSERT_SYS(0, 0, sched_getaffinity(0, sizeof(y), &y));
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EXPECT_EQ(1, CPU_COUNT(&y));
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EXPECT_TRUE(CPU_ISSET(0, &y));
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EXPECT_FALSE(CPU_ISSET(1, &y));
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}
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TEST(sched_getaffinity, secondOnly) {
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if (GetCpuCount() < 2) return;
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cpu_set_t x, y;
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CPU_ZERO(&x);
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CPU_SET(1, &x);
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ASSERT_SYS(0, 0, sched_setaffinity(0, sizeof(x), &x));
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ASSERT_SYS(0, 0, sched_getaffinity(0, sizeof(y), &y));
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EXPECT_EQ(1, CPU_COUNT(&y));
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EXPECT_FALSE(CPU_ISSET(0, &y));
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EXPECT_TRUE(CPU_ISSET(1, &y));
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}
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