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48 lines
2.6 KiB
C
48 lines
2.6 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 2021 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/assert.h"
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#include "libc/calls/calls.h"
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#include "libc/dce.h"
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#include "libc/log/backtrace.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/sysv/consts/clone.h"
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#include "libc/testlib/testlib.h"
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#include "libc/time/time.h"
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volatile int x;
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int thread(void *arg) {
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return (x = 42);
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}
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TEST(clone, test) {
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if (!IsLinux() && !IsNetbsd() && !IsWindows()) return;
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char *stack;
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long double t;
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int tid, ptid, ctid, tls, ws;
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t = nowl();
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stack = gc(malloc(FRAMESIZE));
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EXPECT_NE(-1, (tid = clone(thread, stack + FRAMESIZE,
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CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
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0, &ptid, &tls, &ctid)));
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while ((nowl() - t) < 1 && !x) asm("pause");
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ASSERT_EQ(42, x);
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}
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