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[PULL,24/51] bsd-user: Implement setloginclass(2) and getloginclass(2) system calls.

Message ID 20231003233215.95557-25-imp@bsdimp.com
State New
Headers show
Series [PULL,01/51] bsd-user: define TARGET_RFSPAWN for rfork to use vfork(2) semantics, and fix RLIM_INFINITY | expand

Commit Message

Warner Losh Oct. 3, 2023, 11:31 p.m. UTC 
From: Stacey Son <sson@FreeBSD.org>

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-25-kariem.taha2.7@gmail.com>
---
 bsd-user/freebsd/os-proc.h    | 32 ++++++++++++++++++++++++++++++++
 bsd-user/freebsd/os-syscall.c |  8 ++++++++
 2 files changed, 40 insertions(+)
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Patch

diff --git a/bsd-user/freebsd/os-proc.h b/bsd-user/freebsd/os-proc.h
index 04bce755e58..2eaba141dcd 100644
--- a/bsd-user/freebsd/os-proc.h
+++ b/bsd-user/freebsd/os-proc.h
@@ -130,4 +130,36 @@  static inline abi_long do_freebsd_wait6(void *cpu_env, abi_long idtype,
     return ret;
 }
 
+/* setloginclass(2) */
+static inline abi_long do_freebsd_setloginclass(abi_ulong arg1)
+{
+    abi_long ret;
+    void *p;
+
+    p = lock_user_string(arg1);
+    if (p == NULL) {
+        return -TARGET_EFAULT;
+    }
+    ret = get_errno(setloginclass(p));
+    unlock_user(p, arg1, 0);
+
+    return ret;
+}
+
+/* getloginclass(2) */
+static inline abi_long do_freebsd_getloginclass(abi_ulong arg1, abi_ulong arg2)
+{
+    abi_long ret;
+    void *p;
+
+    p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
+    if (p == NULL) {
+        return -TARGET_EFAULT;
+    }
+    ret = get_errno(getloginclass(p, arg2));
+    unlock_user(p, arg1, arg2);
+
+    return ret;
+}
+
 #endif /* BSD_USER_FREEBSD_OS_PROC_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 55e68e48159..d614409e694 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -375,6 +375,14 @@  static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
         ret = do_bsd_ktrace(arg1, arg2, arg3, arg4);
         break;
 
+    case TARGET_FREEBSD_NR_setloginclass: /* setloginclass(2) */
+        ret = do_freebsd_setloginclass(arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_getloginclass: /* getloginclass(2) */
+        ret = do_freebsd_getloginclass(arg1, arg2);
+        break;
+
     case TARGET_FREEBSD_NR_utrace: /* utrace(2) */
         ret = do_bsd_utrace(arg1, arg2);
         break;