diff options
Diffstat (limited to 'dirent')
| -rw-r--r-- | dirent/Versions | 3 | ||||
| -rw-r--r-- | dirent/dirent.h | 10 | ||||
| -rw-r--r-- | dirent/tst-fdopendir.c | 124 |
3 files changed, 136 insertions, 1 deletions
diff --git a/dirent/Versions b/dirent/Versions index 9d96caeb36..41c1584426 100644 --- a/dirent/Versions +++ b/dirent/Versions @@ -41,4 +41,7 @@ libc { # g* getdirentries64; } + GLIBC_2.4 { + fdopendir; + } } diff --git a/dirent/dirent.h b/dirent/dirent.h index a5e8a004e2..ed4147dbca 100644 --- a/dirent/dirent.h +++ b/dirent/dirent.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2000, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1991-2000, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -134,6 +134,14 @@ typedef struct __dirstream DIR; marked with __THROW. */ extern DIR *opendir (__const char *__name) __nonnull ((1)); +#ifdef __USE_GNU +/* Same as opendir, but open the stream on the file descriptor FD. + + This function is a possible cancellation point and therefore not + marked with __THROW. */ +extern DIR *fdopendir (int __fd); +#endif + /* Close the directory stream DIRP. Return 0 if successful, -1 if not. diff --git a/dirent/tst-fdopendir.c b/dirent/tst-fdopendir.c new file mode 100644 index 0000000000..3cf315d85c --- /dev/null +++ b/dirent/tst-fdopendir.c @@ -0,0 +1,124 @@ +#include <stdio.h> +#include <fcntl.h> +#include <stdlib.h> +#include <unistd.h> +#include <dirent.h> +#include <stdbool.h> +#include <string.h> + + +static int +do_test (void) +{ + char fname[] = "/tmp/jXXXXXX"; + int fd = mkstemp (fname); + if (fd == -1) + { + puts ("mkstemp failed"); + return 1; + } + + write (fd, "hello", 5); + close (fd); + + struct stat64 st; + if (stat64 (fname, &st) == -1) + { + puts ("first stat failed"); + return 0; + } + + /* Make sure there is enough time between the creation and the access. */ + sleep (2); + + fd = open (fname, O_RDONLY | O_NOATIME); + if (fd == -1) + { + puts ("first open failed"); + return 1; + } + + char buf[5]; + read(fd, buf, sizeof (buf)); + close(fd); + + struct stat64 st2; + if (stat64 (fname, &st2) == -1) + { + puts ("second stat failed"); + return 0; + } + + bool no_noatime = false; +#ifdef _STATBUF_ST_NSEC + if (st.st_atim.tv_sec != st2.st_atim.tv_sec + || st.st_atim.tv_nsec != st2.st_atim.tv_nsec) +#else + if (st.st_atime != st2.st_atime) +#endif + { + puts ("file atime changed"); + no_noatime = true; + } + + unlink(fname); + + strcpy(fname, "/tmp/dXXXXXX"); + char *d = mkdtemp (fname); + if (d == NULL) + { + puts ("mkdtemp failed"); + return 1; + } + + if (stat64 (d, &st) == -1) + { + puts ("third stat failed"); + return 0; + } + sleep (2); + + fd = open64 (d, O_RDONLY|O_NDELAY|O_DIRECTORY|O_NOATIME); + if (fd == -1) + { + puts ("second open failed"); + return 1; + } + DIR *dir = fdopendir (fd); + if (dir == NULL) + { + puts ("fdopendir failed"); + return 1; + } + + struct dirent *de; + while ((de = readdir (dir)) != NULL) + ; + + closedir (dir); + + if (stat64 (d, &st2) == -1) + { + puts ("fourth stat failed"); + return 0; + } +#ifdef _STATBUF_ST_NSEC + if (!no_noatime + && (st.st_atim.tv_sec != st2.st_atim.tv_sec + || st.st_atim.tv_nsec != st2.st_atim.tv_nsec)) +#else + if (!no_noatime && st.st_atime != st2.st_atime) +#endif + { + puts ("directory atime changed"); + return 1; + } + + rmdir(fname); + + return 0; +} + +#define TIMEOUT 6 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |