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Diffstat (limited to 'winsup/testsuite/winsup.api/mmaptest03.c')
-rw-r--r--winsup/testsuite/winsup.api/mmaptest03.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/winsup/testsuite/winsup.api/mmaptest03.c b/winsup/testsuite/winsup.api/mmaptest03.c
deleted file mode 100644
index 544e3e43c..000000000
--- a/winsup/testsuite/winsup.api/mmaptest03.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <sys/wait.h>
-#include <errno.h>
-
-/* - Checks if mapping of already closed file survives fork()
- - Checks if mapping the same region of the same file twice
- is done correctly.
-*/
-
-sigset_t unblock_sigsegv;
-jmp_buf r;
-
-/* filler for file */
-char const line[] = "y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1 y1";
-
-void
-perror_exit (char *str)
-{
- printf ("%s: %s\n", str, strerror (errno));
- exit (1);
-}
-
-void
-sigsegv (int unused)
-{
- sigprocmask (SIG_UNBLOCK, &unblock_sigsegv, 0);
- longjmp (r, 1);
-}
-
-int
-main(int argc, char **argv)
-{
- int i, fd, status;
- struct stat statbuf;
- char c, *buf1, *buf2;
- pid_t pid;
-
- /* Create data file */
- if ((fd = open("y.txt", O_RDWR | O_CREAT | O_TRUNC, 0644)) == -1)
- perror_exit ("Can't create data file");
- write (fd, line, sizeof(line) - 1);
- close (fd);
-
- /* Open data file */
- if ((fd = open("y.txt", O_RDONLY)) == -1)
- perror_exit ("Can't open data file");
-
- if (fstat(fd, &statbuf) < 0)
- perror_exit ("fstat failed");
-
- if (!statbuf.st_size)
- perror_exit ("filesize is 0");
-
- if ((buf1 = mmap(NULL, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0))
- == MAP_FAILED)
- perror_exit ("mmap 1 failed");
-
- close(fd);
-
- /* Open data file a second time */
- if ((fd = open("y.txt", O_RDONLY)) == -1)
- perror_exit ("Can't open data file in second run");
-
- if ((buf2 = mmap(NULL, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0))
- == MAP_FAILED)
- perror_exit ("mmap 2 failed");
-
- close(fd);
-
- sigemptyset (&unblock_sigsegv);
- sigaddset (&unblock_sigsegv, SIGSEGV);
- signal (SIGSEGV, sigsegv);
-
- if (setjmp (r))
- perror_exit ("SEGV in fork");
-
- pid = fork();
-
- if (pid == -1)
- perror_exit ("fork failed");
-
- if (setjmp (r))
- perror_exit (pid ? "SEGV in parent" : "SEGV in child");
-
- c = buf1[0];
- c = buf2[0];
-
- if (setjmp (r))
- perror_exit (pid ? "SEGV in parent's munmap" : "SEGV in child's munmap");
-
- if (munmap(buf1, statbuf.st_size))
- perror_exit (pid ? "munmap failed in parent" : "munmap failed in child");
-
- if (setjmp (r) == 0)
- {
- c = buf1[0];
- perror_exit (pid ? "no SEGV in parent after munmap" : "no SEGV in child after munmap");
- }
-
- if (setjmp (r))
- perror_exit (pid ? "SEGV in parent after munmap" : "SEGV in child after munmap");
-
- c = buf2[0];
-
- if (setjmp (r))
- perror_exit (pid ? "SEGV in parent's munmap" : "SEGV in child's munmap");
-
- if (munmap(buf2, statbuf.st_size))
- perror_exit (pid ? "munmap failed in parent" : "munmap failed in child");
-
- if (pid)
- {
- waitpid (pid, &status, 0);
- unlink ("y.txt");
- if (!WIFEXITED (status) || WEXITSTATUS (status))
- return 1;
- }
-
- return 0;
-}