[v1] linux-user: Extract target errno related functions to 'target_errno.h'

[PATCH 03/12] linux-user/mips: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN

Posted by Philippe Mathieu-Daudé 4 years, 7 months ago

Linux kernel defines EWOULDBLOCK as EAGAIN (since before v2.6.12-rc2).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 linux-user/mips/target_syscall.h   | 2 ++
 linux-user/mips64/target_syscall.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/linux-user/mips/target_syscall.h b/linux-user/mips/target_syscall.h
index dd6fd7af8ea..3e558fdb4b4 100644
--- a/linux-user/mips/target_syscall.h
+++ b/linux-user/mips/target_syscall.h
@@ -21,6 +21,8 @@ struct target_pt_regs {
 };
 
 /* Target errno definitions taken from asm-mips/errno.h */
+#undef TARGET_EWOULDBLOCK
+#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
 #undef TARGET_ENOMSG
 #define TARGET_ENOMSG          35      /* Identifier removed */
 #undef TARGET_EIDRM
diff --git a/linux-user/mips64/target_syscall.h b/linux-user/mips64/target_syscall.h
index 8594955eec2..c54374c5a29 100644
--- a/linux-user/mips64/target_syscall.h
+++ b/linux-user/mips64/target_syscall.h
@@ -18,6 +18,8 @@ struct target_pt_regs {
 };
 
 /* Target errno definitions taken from asm-mips/errno.h */
+#undef TARGET_EWOULDBLOCK
+#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
 #undef TARGET_ENOMSG
 #define TARGET_ENOMSG          35      /* Identifier removed */
 #undef TARGET_EIDRM
-- 
2.31.1

Re: [PATCH 03/12] linux-user/mips: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN

Posted by Richard Henderson 4 years, 7 months ago

On 7/4/21 11:37 AM, Philippe Mathieu-Daudé wrote:
> Linux kernel defines EWOULDBLOCK as EAGAIN (since before v2.6.12-rc2).
> 
> Signed-off-by: Philippe Mathieu-Daudé<f4bug@amsat.org>
> ---
>   linux-user/mips/target_syscall.h   | 2 ++
>   linux-user/mips64/target_syscall.h | 2 ++
>   2 files changed, 4 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~

Re: [PATCH 03/12] linux-user/mips: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN

Posted by Laurent Vivier 4 years, 7 months ago

Le 04/07/2021 à 20:37, Philippe Mathieu-Daudé a écrit :
> Linux kernel defines EWOULDBLOCK as EAGAIN (since before v2.6.12-rc2).
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  linux-user/mips/target_syscall.h   | 2 ++
>  linux-user/mips64/target_syscall.h | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/linux-user/mips/target_syscall.h b/linux-user/mips/target_syscall.h
> index dd6fd7af8ea..3e558fdb4b4 100644
> --- a/linux-user/mips/target_syscall.h
> +++ b/linux-user/mips/target_syscall.h
> @@ -21,6 +21,8 @@ struct target_pt_regs {
>  };
>  
>  /* Target errno definitions taken from asm-mips/errno.h */
> +#undef TARGET_EWOULDBLOCK
> +#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
>  #undef TARGET_ENOMSG
>  #define TARGET_ENOMSG          35      /* Identifier removed */
>  #undef TARGET_EIDRM
> diff --git a/linux-user/mips64/target_syscall.h b/linux-user/mips64/target_syscall.h
> index 8594955eec2..c54374c5a29 100644
> --- a/linux-user/mips64/target_syscall.h
> +++ b/linux-user/mips64/target_syscall.h
> @@ -18,6 +18,8 @@ struct target_pt_regs {
>  };
>  
>  /* Target errno definitions taken from asm-mips/errno.h */
> +#undef TARGET_EWOULDBLOCK
> +#define TARGET_EWOULDBLOCK     TARGET_EAGAIN /* Operation would block */
>  #undef TARGET_ENOMSG
>  #define TARGET_ENOMSG          35      /* Identifier removed */
>  #undef TARGET_EIDRM
> 

Applied to my linux-user-for-6.1 branch.

Thanks,
Laurent