xref: /aosp_15_r20/external/cronet/third_party/lss/tests/sigtimedwait.c (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)

/* Copyright 2019, Google Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#include "test_skel.h"

int main(int argc, char *argv[]) {

  struct kernel_sigset_t sigset = {};
  siginfo_t siginfo = {};
  struct timespec timeout = {};

  // Invalid timeouts.
  timeout.tv_sec = -1;
  assert(sys_sigtimedwait(&sigset, &siginfo, &timeout) == -1);
  assert(errno == EINVAL);

  // Expired timeouts.
  timeout.tv_sec = 0;
  assert(sys_sigtimedwait(&sigset, &siginfo, &timeout) == -1);
  assert(errno == EAGAIN);

  // Success.
  const int kTestSignal = SIGCONT;
  assert(sys_sigemptyset(&sigset) == 0);
  assert(sys_sigaddset(&sigset, kTestSignal) == 0);
  assert(sys_sigprocmask(SIG_BLOCK, &sigset, NULL) == 0);
  assert(raise(kTestSignal) == 0);
  assert(sys_sigtimedwait(&sigset, &siginfo, &timeout) == kTestSignal);
  assert(siginfo.si_signo == kTestSignal);

  return 0;
}