[PULL 13/51] bsd-user: Implement getrusage(2).

[Warner Losh]

From: Stacey Son <s...@freebsd.org>

Signed-off-by: Stacey Son <s...@freebsd.org>
Signed-off-by: Karim Taha <kariem.taha...@gmail.com>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Warner Losh <i...@bsdimp.com>
Message-Id: <20230925182425.3163-14-kariem.taha...@gmail.com>
---
 bsd-user/bsd-proc.h           | 13 +++++++++++++
 bsd-user/freebsd/os-syscall.c |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h
index cb7c69acb0c..133c1b0eaf8 100644
--- a/bsd-user/bsd-proc.h
+++ b/bsd-user/bsd-proc.h
@@ -124,4 +124,17 @@ static inline abi_long do_bsd_getlogin(abi_long arg1, 
abi_long arg2)
     return ret;
 }
 
+/* getrusage(2) */
+static inline abi_long do_bsd_getrusage(abi_long who, abi_ulong target_addr)
+{
+    abi_long ret;
+    struct rusage rusage;
+
+    ret = get_errno(getrusage(who, &rusage));
+    if (!is_error(ret)) {
+        host_to_target_rusage(target_addr, &rusage);
+    }
+    return ret;
+}
+
 #endif /* !BSD_PROC_H_ */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 44cbf52f087..5d8693ed550 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -243,6 +243,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num, 
abi_long arg1,
         ret = do_bsd_getlogin(arg1, arg2);
         break;
 
+    case TARGET_FREEBSD_NR_getrusage: /* getrusage(2) */
+        ret = do_bsd_getrusage(arg1, arg2);
+        break;
+
 
         /*
          * File system calls.
-- 
2.41.0