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| author | Ulrich Drepper <drepper@redhat.com> | 2001-04-23 09:04:59 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2001-04-23 09:04:59 +0000 |
| commit | 92c2e46b9663794c4585bf65f5e53d61638227aa (patch) | |
| tree | a6bea2e4391c76ebb04f68dc4d1b2380bb1cbac6 /sysdeps/posix/pathconf.c | |
| parent | 77e4dc62b0b8aab2ed44866aee00b4063ffb8ce8 (diff) | |
| download | glibc-92c2e46b9663794c4585bf65f5e53d61638227aa.tar.gz glibc-92c2e46b9663794c4585bf65f5e53d61638227aa.tar.xz glibc-92c2e46b9663794c4585bf65f5e53d61638227aa.zip | |
(__pathconf): For _PC_ASYNC_IO test whether named file is a regular file or a block device.
Diffstat (limited to 'sysdeps/posix/pathconf.c')
| -rw-r--r-- | sysdeps/posix/pathconf.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sysdeps/posix/pathconf.c b/sysdeps/posix/pathconf.c index 4ce5c0d1d7..63a3a9c511 100644 --- a/sysdeps/posix/pathconf.c +++ b/sysdeps/posix/pathconf.c @@ -21,6 +21,7 @@ #include <unistd.h> #include <limits.h> #include <fcntl.h> +#include <sys/stat.h> #include <sys/statfs.h> #include <sys/statvfs.h> @@ -138,7 +139,16 @@ __pathconf (const char *path, int name) case _PC_ASYNC_IO: #ifdef _POSIX_ASYNC_IO - return _POSIX_ASYNC_IO; + { + /* AIO is only allowed on regular files and block devices. */ + struct stat64 st; + + if (__xstat64 (_STAT_VER, path, &st) < 0 + || (! S_ISREG (st.st_mode) && ! S_ISBLK (st.st_mode))) + return -1; + else + return 1; + } #else return -1; #endif |