diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/pathconf.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/pathconf.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/pathconf.c b/sysdeps/unix/sysv/linux/pathconf.c index ae597fb5ba..375d672925 100644 --- a/sysdeps/unix/sysv/linux/pathconf.c +++ b/sysdeps/unix/sysv/linux/pathconf.c @@ -1,5 +1,5 @@ /* Get file-specific information about a file. Linux version. - Copyright (C) 1991,1995,1996,1998-2003,2008,2010 Free Software Foundation, Inc. + Copyright (C) 1991,1995,1996,1998-2003,2008,2010,2011 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 @@ -36,6 +36,7 @@ long int __pathconf (const char *file, int name) { struct statfs fsbuf; + int fd; switch (name) { @@ -51,6 +52,17 @@ __pathconf (const char *file, int name) case _PC_CHOWN_RESTRICTED: return __statfs_chown_restricted (__statfs (file, &fsbuf), &fsbuf); + case _PC_PIPE_BUF: + fd = open_not_cancel_2 (file, O_RDONLY|O_NONBLOCK); + if (fd >= 0) + { + long int r = __fcntl (fd, F_GETPIPE_SZ); + close_not_cancel_no_status (fd); + if (r > 0) + return r; + } + /* FALLTHROUGH */ + default: return posix_pathconf (file, name); } |