* [PATCH] Linux: Forward declaration of struct iovec for process_madvise
@ 2022-06-29 10:37 Florian Weimer
2022-06-29 11:40 ` Adhemerval Zanella
0 siblings, 1 reply; 2+ messages in thread
From: Florian Weimer @ 2022-06-29 10:37 UTC (permalink / raw)
To: libc-alpha; +Cc: Adhemerval Zanella, Timm Bäder
This maintains compatibility between <sys/mman.h> and <linux/uio.h>.
Before that, the addition of process_madvise made those two header
files incompatible. This has been observed resulting in a build
failure in LLDB's Process/Linux/NativeRegisterContextLinux_s390x.cpp
source file.
Fixes commit d19ee3473d68ca0e794f3a8b7677a0983ae1342e
("linux: Add process_madvise").
Tested on i686-linux-gnu, x86_64-linux-gnu. Built with
build-many-glibs.py.
---
sysdeps/unix/sysv/linux/bits/mman_ext.h | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/bits/mman_ext.h b/sysdeps/unix/sysv/linux/bits/mman_ext.h
index 97234a7adf..5612852e64 100644
--- a/sysdeps/unix/sysv/linux/bits/mman_ext.h
+++ b/sysdeps/unix/sysv/linux/bits/mman_ext.h
@@ -21,11 +21,8 @@
#endif
#ifdef __USE_GNU
-#include <bits/types/struct_iovec.h>
-
-/*
- */
-extern __ssize_t process_madvise (int __pid_fd, const struct iovec* __iov,
+struct iovec;
+extern __ssize_t process_madvise (int __pid_fd, const struct iovec *__iov,
size_t __count, int __advice,
unsigned __flags)
__THROW;
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] Linux: Forward declaration of struct iovec for process_madvise
2022-06-29 10:37 [PATCH] Linux: Forward declaration of struct iovec for process_madvise Florian Weimer
@ 2022-06-29 11:40 ` Adhemerval Zanella
0 siblings, 0 replies; 2+ messages in thread
From: Adhemerval Zanella @ 2022-06-29 11:40 UTC (permalink / raw)
To: Florian Weimer; +Cc: libc-alpha, Timm Bäder
> On 29 Jun 2022, at 07:37, Florian Weimer <fweimer@redhat.com> wrote:
>
> This maintains compatibility between <sys/mman.h> and <linux/uio.h>.
> Before that, the addition of process_madvise made those two header
> files incompatible. This has been observed resulting in a build
> failure in LLDB's Process/Linux/NativeRegisterContextLinux_s390x.cpp
> source file.
>
> Fixes commit d19ee3473d68ca0e794f3a8b7677a0983ae1342e
> ("linux: Add process_madvise").
>
> Tested on i686-linux-gnu, x86_64-linux-gnu. Built with
> build-many-glibs.py.
LGTM, thanks.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
>
> ---
> sysdeps/unix/sysv/linux/bits/mman_ext.h | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/sysdeps/unix/sysv/linux/bits/mman_ext.h b/sysdeps/unix/sysv/linux/bits/mman_ext.h
> index 97234a7adf..5612852e64 100644
> --- a/sysdeps/unix/sysv/linux/bits/mman_ext.h
> +++ b/sysdeps/unix/sysv/linux/bits/mman_ext.h
> @@ -21,11 +21,8 @@
> #endif
>
> #ifdef __USE_GNU
> -#include <bits/types/struct_iovec.h>
> -
> -/*
> - */
> -extern __ssize_t process_madvise (int __pid_fd, const struct iovec* __iov,
> +struct iovec;
> +extern __ssize_t process_madvise (int __pid_fd, const struct iovec *__iov,
> size_t __count, int __advice,
> unsigned __flags)
> __THROW;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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