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100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/* Test of posix_openpt function.
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Copyright (C) 2011-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Eric Blake <eblake@redhat.com>, 2011. */
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#include <config.h>
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#include <stdlib.h>
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#include "signature.h"
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SIGNATURE_CHECK (posix_openpt, int, (int));
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#if defined __sun || defined __hpux /* Solaris, HP-UX */
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# include <stropts.h>
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#endif
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#include "macros.h"
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int
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main (void)
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{
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int master;
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int slave;
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char *name;
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/* Open the master of a pseudo-terminal pair. */
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master = posix_openpt (O_RDWR | O_NOCTTY);
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if (master < 0 && errno == ENOSYS)
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{
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fputs ("skipping: platform lacks pty support\n", stderr);
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return 77;
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}
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ASSERT (0 <= master);
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name = ptsname (master);
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ASSERT (name);
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ASSERT (grantpt (master) == 0);
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ASSERT (unlockpt (master) == 0);
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#if defined __HAIKU__
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/* On Haiku, the open() call below succeeds only if
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- done in a child process, and
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- if that child process has done a setsid() call.
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So, do that. */
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pid_t child_pid = fork ();
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ASSERT (child_pid >= 0);
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if (child_pid > 0)
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{
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/* We are in the parent. Wait for the child to terminate. */
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int child_status;
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ASSERT (waitpid (child_pid, &child_status, 0) != -1);
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ASSERT (WIFEXITED (child_status));
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int child_exit_status = WEXITSTATUS (child_status);
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ASSERT (child_exit_status == 0);
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return test_exit_status;
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}
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/* We are in the child. */
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ASSERT (setsid () >= 0);
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#endif
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slave = open (name, O_RDWR);
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ASSERT (0 <= slave);
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#if defined __sun || defined __hpux /* Solaris, HP-UX */
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ASSERT (ioctl (slave, I_PUSH, "ptem") == 0);
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ASSERT (ioctl (slave, I_PUSH, "ldterm") == 0);
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# if defined __sun
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ASSERT (ioctl (slave, I_PUSH, "ttcompat") == 0);
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# endif
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#endif
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ASSERT (isatty (slave));
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/* Close the master side before the slave side gets closed.
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This is necessary on Mac OS X 10.4.11. */
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ASSERT (close (master) == 0);
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ASSERT (close (slave) == 0);
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return test_exit_status;
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}
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