Re: syncfs returns int (or long?)

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Hello SImone,

On Sun, Feb 12, 2012 at 4:49 AM, Simone Piccardi <piccardi@xxxxxxxxxxx> wrote:
> In man 2 syncfs (version 2011-09-07, also in the website) it is declared as:
>
> void syncfs(int fd);
>
> but then is said:
>
> RETURN VALUE
>       syncfs() returns 0 on success; on error, it returns -1 and
>       sets  errno to indicate the error.
>
> so it cannot be void. I get
>
> piccardi@monk:/usr/src/linux-source-3.1$ grep -r syncfs include/*
> include/asm-generic/unistd.h:#define __NR_syncfs 267
> include/asm-generic/unistd.h:__SYSCALL(__NR_syncfs, sys_syncfs)
> include/linux/syscalls.h:asmlinkage long sys_syncfs(int fd);
>
> So it seems to be at least long.

Thanks for the report! In glibc, the prototype is "int", so for
man-pages-3.36 I've changed it to "int".

Thanks,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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