/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 *************************************************************************
 *
 * Test: sigpipe.c
 *
 *     Test the SIGPIPE handler in NSPR.  This test applies to Unix only.
 *
 *************************************************************************
 */

#if !defined(XP_UNIX)

int main(void) {
  /* This test applies to Unix and OS/2. */
  return 0;
}

#else /* XP_UNIX && OS/2 */

#  include "nspr.h"

#  include <stdio.h>
#  include <unistd.h>
#  include <errno.h>

static void Test(void* arg) {
  int pipefd[2];
  int rv;
  char c = '\0';

  if (pipe(pipefd) == -1) {
    fprintf(stderr, "cannot create pipe: %d\n", errno);
    exit(1);
  }
  close(pipefd[0]);

  rv = write(pipefd[1], &c, 1);
  if (rv != -1) {
    fprintf(
        stderr,
        "write to broken pipe should have failed with EPIPE but returned %d\n",
        rv);
    exit(1);
  }
  if (errno != EPIPE) {
    fprintf(stderr, "write to broken pipe failed but with wrong errno: %d\n",
            errno);
    exit(1);
  }
  close(pipefd[1]);
  printf("write to broken pipe failed with EPIPE, as expected\n");
}

int main(int argc, char** argv) {
  PRThread* thread;

  /* This initializes NSPR. */
  PR_SetError(0, 0);

  thread = PR_CreateThread(PR_USER_THREAD, Test, NULL, PR_PRIORITY_NORMAL,
                           PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0);
  if (thread == NULL) {
    fprintf(stderr, "PR_CreateThread failed\n");
    exit(1);
  }
  if (PR_JoinThread(thread) == PR_FAILURE) {
    fprintf(stderr, "PR_JoinThread failed\n");
    exit(1);
  }
  Test(NULL);

  printf("PASSED\n");
  return 0;
}

#endif /* XP_UNIX */