aboutsummaryrefslogtreecommitdiff
path: root/posix/tst-exec.c
diff options
context:
space:
mode:
Diffstat (limited to 'posix/tst-exec.c')
-rw-r--r--posix/tst-exec.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/posix/tst-exec.c b/posix/tst-exec.c
deleted file mode 100644
index 12a0f57114..0000000000
--- a/posix/tst-exec.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/* Tests for exec.
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <error.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <wait.h>
-
-
-/* Nonzero if the program gets called via `exec'. */
-static int restart;
-
-
-#define CMDLINE_OPTIONS \
- { "restart", no_argument, &restart, 1 },
-
-/* Prototype for our test function. */
-extern void do_prepare (int argc, char *argv[]);
-extern int do_test (int argc, char *argv[]);
-
-/* We have a preparation function. */
-#define PREPARE do_prepare
-
-#include "../test-skeleton.c"
-
-
-/* Name of the temporary files. */
-static char *name1;
-static char *name2;
-
-/* File descriptors for these temporary files. */
-static int temp_fd1 = -1;
-static int temp_fd2 = -1;
-
-/* The contents of our files. */
-static const char fd1string[] = "This file should get closed";
-static const char fd2string[] = "This file should stay opened";
-
-
-/* We have a preparation function. */
-void
-do_prepare (int argc, char *argv[])
-{
- /* We must not open any files in the restart case. */
- if (restart)
- return;
-
- temp_fd1 = create_temp_file ("exec", &name1);
- temp_fd2 = create_temp_file ("exec", &name2);
- if (temp_fd1 < 0 || temp_fd2 < 0)
- exit (1);
-}
-
-
-static int
-handle_restart (const char *fd1s, const char *fd2s, const char *name)
-{
- char buf[100];
- int fd1;
- int fd2;
-
- /* First get the descriptors. */
- fd1 = atol (fd1s);
- fd2 = atol (fd2s);
-
- /* Sanity check. */
- if (fd1 == fd2)
- error (EXIT_FAILURE, 0, "value of fd1 and fd2 is the same");
-
- /* First the easy part: read from the file descriptor which is
- supposed to be open. */
- if (lseek (fd2, 0, SEEK_CUR) != strlen (fd2string))
- error (EXIT_FAILURE, errno, "file 2 not in right position");
- if (lseek (fd2, 0, SEEK_SET) != 0)
- error (EXIT_FAILURE, 0, "cannot reset position in file 2");
- if (read (fd2, buf, sizeof buf) != strlen (fd2string))
- error (EXIT_FAILURE, 0, "cannot read file 2");
- if (memcmp (fd2string, buf, strlen (fd2string)) != 0)
- error (EXIT_FAILURE, 0, "file 2 does not match");
-
- /* No try to read the first file. First make sure it is not opened. */
- if (lseek (fd1, 0, SEEK_CUR) != (off_t) -1 || errno != EBADF)
- error (EXIT_FAILURE, 0, "file 1 (%d) is not closed", fd1);
-
- /* Now open the file and read it. */
- fd1 = open (name, O_RDONLY);
- if (fd1 == -1)
- error (EXIT_FAILURE, errno,
- "cannot open first file \"%s\" for verification", name);
-
- if (read (fd1, buf, sizeof buf) != strlen (fd1string))
- error (EXIT_FAILURE, errno, "cannot read file 1");
- if (memcmp (fd1string, buf, strlen (fd1string)) != 0)
- error (EXIT_FAILURE, 0, "file 1 does not match");
-
- return 0;
-}
-
-
-int
-do_test (int argc, char *argv[])
-{
- pid_t pid;
- int flags;
- int status;
-
- /* We must have
- - one or four parameters left if called initially
- + path for ld.so optional
- + "--library-path" optional
- + the library path optional
- + the application name
- - three parameters left if called through re-execution
- + file descriptor number which is supposed to be closed
- + the open file descriptor
- + the name of the closed desriptor
- */
-
- if (restart)
- {
- if (argc != 4)
- error (EXIT_FAILURE, 0, "wrong number of arguments (%d)", argc);
-
- return handle_restart (argv[1], argv[2], argv[3]);
- }
-
- if (argc != 2 && argc != 5)
- error (EXIT_FAILURE, 0, "wrong number of arguments (%d)", argc);
-
- /* Prepare the test. We are creating two files: one which file descriptor
- will be marked with FD_CLOEXEC, another which is not. */
-
- /* Set the bit. */
- flags = fcntl (temp_fd1, F_GETFD, 0);
- if (flags < 0)
- error (EXIT_FAILURE, errno, "cannot get flags");
- flags |= FD_CLOEXEC;
- if (fcntl (temp_fd1, F_SETFD, flags) < 0)
- error (EXIT_FAILURE, errno, "cannot set flags");
-
- /* Write something in the files. */
- if (write (temp_fd1, fd1string, strlen (fd1string)) != strlen (fd1string))
- error (EXIT_FAILURE, errno, "cannot write to first file");
- if (write (temp_fd2, fd2string, strlen (fd2string)) != strlen (fd2string))
- error (EXIT_FAILURE, errno, "cannot write to second file");
-
- /* We want to test the `exec' function. To do this we restart the program
- with an additional parameter. But first create another process. */
- pid = fork ();
- if (pid == 0)
- {
- char fd1name[18];
- char fd2name[18];
-
- snprintf (fd1name, sizeof fd1name, "%d", temp_fd1);
- snprintf (fd2name, sizeof fd2name, "%d", temp_fd2);
-
- /* This is the child. Construct the command line. */
- if (argc == 5)
- execl (argv[1], argv[1], argv[2], argv[3], argv[4], "--direct",
- "--restart", fd1name, fd2name, name1, NULL);
- else
- execl (argv[1], argv[1], "--direct",
- "--restart", fd1name, fd2name, name1, NULL);
-
- error (EXIT_FAILURE, errno, "cannot exec");
- }
- else if (pid == (pid_t) -1)
- error (EXIT_FAILURE, errno, "cannot fork");
-
- /* Wait for the child. */
- if (waitpid (pid, &status, 0) != pid)
- error (EXIT_FAILURE, errno, "wrong child");
-
- if (WTERMSIG (status) != 0)
- error (EXIT_FAILURE, 0, "Child terminated incorrectly");
- status = WEXITSTATUS (status);
-
- return status;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-07-05 01:55:31 +0000