1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
|
/* COVERAGE: name_to_handle_at open_by_handle_at */
#define _GNU_SOURCE
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/syscall.h>
int main()
{
// glibc added support for name_to_handle_at() and open_by_handle_at()
// in glibc 2.14.
#if __GLIBC_PREREQ(2, 14)
struct file_handle *fhp;
int fd;
int mount_id;
fd = creat("foobar", S_IREAD|S_IWRITE);
close(fd);
/* Allocate an initial file_handle structure. */
fhp = malloc(sizeof(*fhp));
/* Make an initial call to name_to_handle_at() to discover
* the real size required for the file_handle structure. */
fhp->handle_bytes = 0;
name_to_handle_at(AT_FDCWD, "foobar", fhp, &mount_id, 0);
//staptest// name_to_handle_at (AT_FDCWD, "foobar", XXXX, XXXX, 0x0) = NNNN
/* Reallocate the file_handle structure with the correct size. */
fhp = realloc(fhp, sizeof(*fhp) + fhp->handle_bytes);
/* Get a file handle. */
name_to_handle_at(AT_FDCWD, "foobar", fhp, &mount_id, 0);
//staptest// name_to_handle_at (AT_FDCWD, "foobar", XXXX, XXXX, 0x0) = NNNN
/* Now that we have a file handle, open up the file using the handle. */
fd = open_by_handle_at(AT_FDCWD, fhp, O_RDONLY);
//staptest// open_by_handle_at (AT_FDCWD, XXXX, O_RDONLY) = NNNN
close(fd);
//staptest// close (NNNN) = NNNN
/* Limit testing. */
name_to_handle_at(-1, "foobar", fhp, &mount_id, AT_EMPTY_PATH);
//staptest// name_to_handle_at (-1, "foobar", XXXX, XXXX, AT_EMPTY_PATH) = NNNN
name_to_handle_at(AT_FDCWD, (char *)-1, fhp, &mount_id, AT_SYMLINK_FOLLOW);
#ifdef __s390__
//staptest// name_to_handle_at (AT_FDCWD, 0x[7]?[f]+, XXXX, XXXX, AT_SYMLINK_FOLLOW) = NNNN
#else
//staptest// name_to_handle_at (AT_FDCWD, 0x[f]+, XXXX, XXXX, AT_SYMLINK_FOLLOW) = NNNN
#endif
name_to_handle_at(AT_FDCWD, "foobar", (struct file_handle *)-1, &mount_id, 0);
#ifdef __s390__
//staptest// name_to_handle_at (AT_FDCWD, "foobar", 0x[7]?[f]+, XXXX, 0x0) = NNNN
#else
//staptest// name_to_handle_at (AT_FDCWD, "foobar", 0x[f]+, XXXX, 0x0) = NNNN
#endif
name_to_handle_at(AT_FDCWD, "foobar", fhp, (int *)-1, 0);
#ifdef __s390__
//staptest// name_to_handle_at (AT_FDCWD, "foobar", XXXX, 0x[7]?[f]+, 0x0) = NNNN
#else
//staptest// name_to_handle_at (AT_FDCWD, "foobar", XXXX, 0x[f]+, 0x0) = NNNN
#endif
name_to_handle_at(AT_FDCWD, "foobar", fhp, &mount_id, -1);
//staptest// name_to_handle_at (AT_FDCWD, "foobar", XXXX, XXXX, AT_[^ ]+|XXXX) = NNNN
fd = open_by_handle_at(-1, fhp, O_RDONLY);
//staptest// open_by_handle_at (-1, XXXX, O_RDONLY) = NNNN
fd = open_by_handle_at(AT_FDCWD, (struct file_handle *)-1, O_RDONLY);
//staptest// open_by_handle_at (AT_FDCWD, 0x[f]+, O_RDONLY) = NNNN
fd = open_by_handle_at(AT_FDCWD, fhp, -1);
//staptest// open_by_handle_at (AT_FDCWD, XXXX, O_[^ ]+|XXXX) = NNNN
#endif
return 0;
}
|