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I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
265 lines
8.3 KiB
C
265 lines
8.3 KiB
C
/* Tests for spawn.
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Copyright (C) 2000-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <getopt.h>
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#include <errno.h>
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#include <error.h>
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#include <fcntl.h>
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#include <spawn.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/param.h>
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#include <support/check.h>
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#include <support/xunistd.h>
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#include <support/temp_file.h>
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#include <support/support.h>
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/* Nonzero if the program gets called via `exec'. */
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static int restart;
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#define CMDLINE_OPTIONS \
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{ "restart", no_argument, &restart, 1 },
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/* Name of the temporary files. */
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static char *name1;
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static char *name2;
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static char *name3;
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static char *name5;
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/* Descriptors for the temporary files. */
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static int temp_fd1 = -1;
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static int temp_fd2 = -1;
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static int temp_fd3 = -1;
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static int temp_fd5 = -1;
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/* The contents of our files. */
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static const char fd1string[] = "This file should get closed";
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static const char fd2string[] = "This file should stay opened";
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static const char fd3string[] = "This file will be opened";
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static const char fd5string[] = "This file should stay opened (O_CLOEXEC)";
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/* We have a preparation function. */
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static void
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do_prepare (int argc, char *argv[])
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{
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/* We must not open any files in the restart case. */
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if (restart)
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return;
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TEST_VERIFY_EXIT ((temp_fd1 = create_temp_file ("spawn", &name1)) != -1);
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TEST_VERIFY_EXIT ((temp_fd2 = create_temp_file ("spawn", &name2)) != -1);
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TEST_VERIFY_EXIT ((temp_fd3 = create_temp_file ("spawn", &name3)) != -1);
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TEST_VERIFY_EXIT ((temp_fd5 = create_temp_file ("spawn", &name5)) != -1);
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int flags;
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TEST_VERIFY_EXIT ((flags = fcntl (temp_fd5, F_GETFD, &flags)) != -1);
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TEST_COMPARE (fcntl (temp_fd5, F_SETFD, flags | FD_CLOEXEC), 0);
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}
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#define PREPARE do_prepare
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static int
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handle_restart (const char *fd1s, const char *fd2s, const char *fd3s,
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const char *fd4s, const char *name, const char *fd5s)
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{
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char buf[100];
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int fd1;
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int fd2;
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int fd3;
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int fd4;
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int fd5;
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/* First get the descriptors. */
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fd1 = atol (fd1s);
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fd2 = atol (fd2s);
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fd3 = atol (fd3s);
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fd4 = atol (fd4s);
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fd5 = atol (fd5s);
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/* Sanity check. */
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TEST_VERIFY_EXIT (fd1 != fd2);
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TEST_VERIFY_EXIT (fd1 != fd3);
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TEST_VERIFY_EXIT (fd1 != fd4);
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TEST_VERIFY_EXIT (fd2 != fd3);
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TEST_VERIFY_EXIT (fd2 != fd4);
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TEST_VERIFY_EXIT (fd3 != fd4);
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TEST_VERIFY_EXIT (fd4 != fd5);
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/* First the easy part: read from the file descriptor which is
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supposed to be open. */
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TEST_COMPARE (xlseek (fd2, 0, SEEK_CUR), strlen (fd2string));
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/* The duped descriptor must have the same position. */
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TEST_COMPARE (xlseek (fd4, 0, SEEK_CUR), strlen (fd2string));
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TEST_COMPARE (xlseek (fd2, 0, SEEK_SET), 0);
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TEST_COMPARE (xlseek (fd4, 0, SEEK_CUR), 0);
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TEST_COMPARE (read (fd2, buf, sizeof buf), strlen (fd2string));
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TEST_COMPARE_BLOB (fd2string, strlen (fd2string), buf, strlen (fd2string));
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/* Now read from the third file. */
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TEST_COMPARE (read (fd3, buf, sizeof buf), strlen (fd3string));
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TEST_COMPARE_BLOB (fd3string, strlen (fd3string), buf, strlen (fd3string));
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/* Try to write to the file. This should not be allowed. */
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TEST_COMPARE (write (fd3, "boo!", 4), -1);
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TEST_COMPARE (errno, EBADF);
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/* Now try to read the first file. First make sure it is not opened. */
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TEST_COMPARE (lseek (fd1, 0, SEEK_CUR), (off_t) -1);
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TEST_COMPARE (errno, EBADF);
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/* Now open the file and read it. */
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fd1 = xopen (name, O_RDONLY, 0600);
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TEST_COMPARE (read (fd1, buf, sizeof buf), strlen (fd1string));
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TEST_COMPARE_BLOB (fd1string, strlen (fd1string), buf, strlen (fd1string));
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TEST_COMPARE (xlseek (fd5, 0, SEEK_SET), 0);
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TEST_COMPARE (read (fd5, buf, sizeof buf), strlen (fd5string));
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TEST_COMPARE_BLOB (fd5string, strlen (fd5string), buf, strlen (fd5string));
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return 0;
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}
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static int
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do_test (int argc, char *argv[])
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{
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pid_t pid;
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int fd4;
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int status;
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posix_spawn_file_actions_t actions;
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char fd1name[18];
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char fd2name[18];
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char fd3name[18];
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char fd4name[18];
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char fd5name[18];
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char *name3_copy;
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char *spargv[13];
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int i;
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/* We must have
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- one or four parameters left if called initially
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+ path for ld.so optional
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+ "--library-path" optional
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+ the library path optional
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+ the application name
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- six parameters left if called through re-execution
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+ file descriptor number which is supposed to be closed
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+ the open file descriptor
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+ the newly opened file descriptor
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+ the duped second descriptor
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+ the name of the closed descriptor
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+ the duped fourth file descriptor which O_CLOEXEC should be
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remove by adddup2.
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*/
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if (argc != (restart ? 7 : 2) && argc != (restart ? 7 : 5))
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FAIL_EXIT1 ("wrong number of arguments (%d)", argc);
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if (restart)
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return handle_restart (argv[1], argv[2], argv[3], argv[4], argv[5],
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argv[6]);
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/* Prepare the test. We are creating four files: two which file descriptor
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will be marked with FD_CLOEXEC, another which is not. */
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/* Write something in the files. */
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xwrite (temp_fd1, fd1string, strlen (fd1string));
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xwrite (temp_fd2, fd2string, strlen (fd2string));
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xwrite (temp_fd3, fd3string, strlen (fd3string));
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xwrite (temp_fd5, fd5string, strlen (fd5string));
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/* Close the third file. It'll be opened by `spawn'. */
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xclose (temp_fd3);
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/* Tell `spawn' what to do. */
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TEST_COMPARE (posix_spawn_file_actions_init (&actions), 0);
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/* Close `temp_fd1'. */
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TEST_COMPARE (posix_spawn_file_actions_addclose (&actions, temp_fd1), 0);
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/* We want to open the third file. */
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name3_copy = xstrdup (name3);
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TEST_COMPARE (posix_spawn_file_actions_addopen (&actions, temp_fd3,
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name3_copy,
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O_RDONLY, 0666),
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0);
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/* Overwrite the name to check that a copy has been made. */
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memset (name3_copy, 'X', strlen (name3_copy));
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/* We dup the second descriptor. */
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fd4 = MAX (2, MAX (temp_fd1, MAX (temp_fd2, MAX (temp_fd3, temp_fd5)))) + 1;
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TEST_COMPARE (posix_spawn_file_actions_adddup2 (&actions, temp_fd2, fd4),
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0);
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/* We clear the O_CLOEXEC on fourth descriptor, so it should be
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stay open on child. */
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TEST_COMPARE (posix_spawn_file_actions_adddup2 (&actions, temp_fd5,
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temp_fd5),
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0);
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/* Now spawn the process. */
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snprintf (fd1name, sizeof fd1name, "%d", temp_fd1);
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snprintf (fd2name, sizeof fd2name, "%d", temp_fd2);
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snprintf (fd3name, sizeof fd3name, "%d", temp_fd3);
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snprintf (fd4name, sizeof fd4name, "%d", fd4);
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snprintf (fd5name, sizeof fd5name, "%d", temp_fd5);
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for (i = 0; i < (argc == (restart ? 7 : 5) ? 4 : 1); i++)
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spargv[i] = argv[i + 1];
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spargv[i++] = (char *) "--direct";
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spargv[i++] = (char *) "--restart";
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spargv[i++] = fd1name;
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spargv[i++] = fd2name;
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spargv[i++] = fd3name;
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spargv[i++] = fd4name;
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spargv[i++] = name1;
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spargv[i++] = fd5name;
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spargv[i] = NULL;
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TEST_COMPARE (posix_spawn (&pid, argv[1], &actions, NULL, spargv, environ),
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0);
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/* Wait for the children. */
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TEST_COMPARE (xwaitpid (pid, &status, 0), pid);
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TEST_VERIFY (WIFEXITED (status));
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TEST_VERIFY (!WIFSIGNALED (status));
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TEST_COMPARE (WEXITSTATUS (status), 0);
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/* Same test but with a NULL pid argument. */
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TEST_COMPARE (posix_spawn (NULL, argv[1], &actions, NULL, spargv, environ),
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0);
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/* Cleanup. */
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TEST_COMPARE (posix_spawn_file_actions_destroy (&actions), 0);
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free (name3_copy);
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/* Wait for the children. */
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xwaitpid (-1, &status, 0);
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TEST_VERIFY (WIFEXITED (status));
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TEST_VERIFY (!WIFSIGNALED (status));
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TEST_COMPARE (WEXITSTATUS (status), 0);
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return 0;
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}
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#define TEST_FUNCTION_ARGV do_test
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#include <support/test-driver.c>
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