git: be1e4a0bdf45 - main - linux(4): Return ENOSYS for unsupported P_PIDFD waitid idtype.

[Dmitry Chagin]

The branch main has been updated by dchagin:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=be1e4a0bdf45da4bbdce996d2146eba3e32b3766
commit be1e4a0bdf45da4bbdce996d2146eba3e32b3766
Author:     Dmitry Chagin <dcha...@freebsd.org>
AuthorDate: 2022-03-31 17:42:42 +0000
Commit:     Dmitry Chagin <dcha...@freebsd.org>
CommitDate: 2022-03-31 17:42:42 +0000

    linux(4): Return ENOSYS for unsupported P_PIDFD waitid idtype.
    
    Reviewed by:            emaste
    Differential revision:  https://reviews.freebsd.org/D31559
    MFC after:              2 weeks
---
 sys/compat/linux/linux_misc.c | 3 +++
 sys/compat/linux/linux_misc.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 6eae0fc01694..260eef258ddb 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -1122,6 +1122,9 @@ linux_waitid(struct thread *td, struct linux_waitid_args 
*args)
                        return (EINVAL);
                idtype = P_PGID;
                break;
+       case LINUX_P_PIDFD:
+               LINUX_RATELIMIT_MSG("unsupported waitid P_PIDFD idtype");
+               return (ENOSYS);
        default:
                return (EINVAL);
        }
diff --git a/sys/compat/linux/linux_misc.h b/sys/compat/linux/linux_misc.h
index 9a7cf89466a2..a2dd5eb9f82b 100644
--- a/sys/compat/linux/linux_misc.h
+++ b/sys/compat/linux/linux_misc.h
@@ -136,6 +136,7 @@ extern int stclohz;
 #define        LINUX_P_ALL             0
 #define        LINUX_P_PID             1
 #define        LINUX_P_PGID            2
+#define        LINUX_P_PIDFD           3
 
 #define        LINUX_RLIMIT_LOCKS      10
 #define        LINUX_RLIMIT_SIGPENDING 11