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Remove PIPE_BUF Linux-specific code
Fixes BZ #12723 The variable pipe buffer size does nothing to the value of PIPE_BUF, since the number of bytes that are atomically written is still PIPE_BUF on Linux.
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@ -39,8 +39,6 @@ long int
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__pathconf (const char *file, int name)
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{
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struct statfs fsbuf;
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int fd;
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int flags;
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switch (name)
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{
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@ -56,21 +54,6 @@ __pathconf (const char *file, int name)
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case _PC_CHOWN_RESTRICTED:
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return __statfs_chown_restricted (__statfs (file, &fsbuf), &fsbuf);
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case _PC_PIPE_BUF:
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flags = O_RDONLY|O_NONBLOCK|O_NOCTTY;
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#ifdef O_CLOEXEC
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flags |= O_CLOEXEC;
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#endif
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fd = open_not_cancel_2 (file, flags);
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if (fd >= 0)
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{
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long int r = __fcntl (fd, F_GETPIPE_SZ);
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close_not_cancel_no_status (fd);
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if (r > 0)
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return r;
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}
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/* FALLTHROUGH */
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default:
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return posix_pathconf (file, name);
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}
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