/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/ucontext.h"
#include "libc/runtime/runtime.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"

#ifdef __x86_64__

int x;
bool ok1;
bool ok2;
ucontext_t context;

void func(void) {
  x++;
  setcontext(&context);
  abort();
}

void test(void) {
  getcontext(&context);
  if (!x) {
    ok1 = true;
    func();
  } else {
    ok2 = true;
  }
}

TEST(getcontext, test) {
  test();
  ASSERT_TRUE(ok1);
  ASSERT_TRUE(ok2);
}

void SetGetContext(void) {
  static int a;
  a = 0;
  getcontext(&context);
  if (!a) {
    a = 1;
    setcontext(&context);
  }
}

BENCH(getcontext, bench) {
  EZBENCH2("get/setcontext", donothing, SetGetContext());
}

#endif /* __x86_64__ */