linux-user: fill ppid field in /proc/self/stat

[PATCH] linux-user: fill ppid field in /proc/self/stat

Posted by Andreas Schwab 2 years, 10 months ago

Signed-off-by: Andreas Schwab <schwab@suse.de>
---
 linux-user/syscall.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 974dd46c9a..dababe463c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7940,6 +7940,9 @@ static int open_self_stat(void *cpu_env, int fd)
             gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
             bin = bin ? bin + 1 : ts->bprm->argv[0];
             g_string_printf(buf, "(%.15s) ", bin);
+        } else if (i == 3) {
+            /* ppid */
+            g_string_printf(buf, FMT_pid " ", getppid());
         } else if (i == 27) {
             /* stack bottom */
             g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
-- 
2.31.1

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

Re: [PATCH] linux-user: fill ppid field in /proc/self/stat

Posted by Laurent Vivier 2 years, 9 months ago

Le 21/06/2021 à 11:32, Andreas Schwab a écrit :
> Signed-off-by: Andreas Schwab <schwab@suse.de>
> ---
>  linux-user/syscall.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 974dd46c9a..dababe463c 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -7940,6 +7940,9 @@ static int open_self_stat(void *cpu_env, int fd)
>              gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
>              bin = bin ? bin + 1 : ts->bprm->argv[0];
>              g_string_printf(buf, "(%.15s) ", bin);
> +        } else if (i == 3) {
> +            /* ppid */
> +            g_string_printf(buf, FMT_pid " ", getppid());
>          } else if (i == 27) {
>              /* stack bottom */
>              g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
> 

Reviewed-by: Laurent Vivier <laurent@vivier.eu>

Re: [PATCH] linux-user: fill ppid field in /proc/self/stat

Posted by Laurent Vivier 2 years, 9 months ago

Le 21/06/2021 à 11:32, Andreas Schwab a écrit :
> Signed-off-by: Andreas Schwab <schwab@suse.de>
> ---
>  linux-user/syscall.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 974dd46c9a..dababe463c 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -7940,6 +7940,9 @@ static int open_self_stat(void *cpu_env, int fd)
>              gchar *bin = g_strrstr(ts->bprm->argv[0], "/");
>              bin = bin ? bin + 1 : ts->bprm->argv[0];
>              g_string_printf(buf, "(%.15s) ", bin);
> +        } else if (i == 3) {
> +            /* ppid */
> +            g_string_printf(buf, FMT_pid " ", getppid());
>          } else if (i == 27) {
>              /* stack bottom */
>              g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack);
> 

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

Thanks,
Laurent