diff options
Diffstat (limited to 'posix/tst-mmap.c')
| -rw-r--r-- | posix/tst-mmap.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/posix/tst-mmap.c b/posix/tst-mmap.c deleted file mode 100644 index 5e52b49e35..0000000000 --- a/posix/tst-mmap.c +++ /dev/null @@ -1,200 +0,0 @@ -#include <assert.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/mman.h> - - -static int -do_test (void) -{ - int result = 0; - FILE *fp; - size_t c; - char buf[1000]; - int fd; - unsigned char *ptr; - size_t ps = sysconf (_SC_PAGESIZE); - void *mem; - - /* Create a file and put some data in it. */ - fp = tmpfile (); - if (fp == NULL) - { - printf ("Cannot create temporary file: %m\n"); - return 1; - } - fd = fileno (fp); - - for (c = 0; c < sizeof (buf); ++c) - buf[c] = '0' + (c % 10); - - for (c = 0; c < (ps * 4) / sizeof (buf); ++c) - if (fwrite (buf, 1, sizeof (buf), fp) != sizeof (buf)) - { - printf ("`fwrite' failed: %m\n"); - return 1; - } - fflush (fp); - assert (ps + 1000 < c * sizeof (buf)); - - /* First try something which is not allowed: map at an offset which is - not modulo the pagesize. */ - ptr = mmap (NULL, 1000, PROT_READ, MAP_SHARED, fd, ps - 1); - if (ptr != MAP_FAILED) - { - puts ("mapping at offset with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at offset with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* Try the same for mmap64. */ - ptr = mmap64 (NULL, 1000, PROT_READ, MAP_SHARED, fd, ps - 1); - if (ptr != MAP_FAILED) - { - puts ("mapping at offset with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at offset with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* And the same for private mapping. */ - ptr = mmap (NULL, 1000, PROT_READ, MAP_PRIVATE, fd, ps - 1); - if (ptr != MAP_FAILED) - { - puts ("mapping at offset with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at offset with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* Try the same for mmap64. */ - ptr = mmap64 (NULL, 1000, PROT_READ, MAP_PRIVATE, fd, ps - 1); - if (ptr != MAP_FAILED) - { - puts ("mapping at offset with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at offset with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* Get a valid address. */ - mem = malloc (2 * ps); - if (mem != NULL) - { - /* Now we map at an address which is not mod pagesize. */ - ptr = mmap (mem + 1, 1000, PROT_READ, MAP_SHARED | MAP_FIXED, fd, ps); - if (ptr != MAP_FAILED) - { - puts ("mapping at address with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at address with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* Try the same for mmap64. */ - ptr = mmap64 (mem + 1, 1000, PROT_READ, MAP_SHARED | MAP_FIXED, fd, ps); - if (ptr != MAP_FAILED) - { - puts ("mapping at address with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at address with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* And again for MAP_PRIVATE. */ - ptr = mmap (mem + 1, 1000, PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, ps); - if (ptr != MAP_FAILED) - { - puts ("mapping at address with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at address with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - /* Try the same for mmap64. */ - ptr = mmap64 (mem + 1, 1000, PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, ps); - if (ptr != MAP_FAILED) - { - puts ("mapping at address with mod pagesize != 0 succeeded!"); - result = 1; - } - else if (errno != EINVAL && errno != ENOSYS) - { - puts ("wrong error value for mapping at address with mod pagesize != 0: %m (should be EINVAL)"); - result = 1; - } - - free (mem); - } - - /* Now map the memory and see whether the content of the mapped area - is correct. */ - ptr = mmap (NULL, 1000, PROT_READ, MAP_SHARED, fd, ps); - if (ptr == MAP_FAILED) - { - if (errno != ENOSYS) - { - printf ("cannot mmap file: %m\n"); - result = 1; - } - } - else - { - for (c = ps; c < ps + 1000; ++c) - if (ptr[c - ps] != '0' + (c % 10)) - { - printf ("wrong data mapped at offset %zd\n", c); - result = 1; - } - } - - /* And for mmap64. */ - ptr = mmap64 (NULL, 1000, PROT_READ, MAP_SHARED, fd, ps); - if (ptr == MAP_FAILED) - { - if (errno != ENOSYS) - { - printf ("cannot mmap file: %m\n"); - result = 1; - } - } - else - { - for (c = ps; c < ps + 1000; ++c) - if (ptr[c - ps] != '0' + (c % 10)) - { - printf ("wrong data mapped at offset %zd\n", c); - result = 1; - } - } - - /* That's it. */ - return result; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |