bsd-user: Implement several get/set system calls:

getpid(2), getppid(2), getpgrp(2)
setreuid(2), setregid(2)
getuid(2), geteuid(2), getgid(2), getegid(2), getpgid(2)
setuid(2), seteuid(2), setgid(2), setegid(2), setpgid(2)

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-16-kariem.taha2.7@gmail.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h
index 38d1324034..6ff07c0ac3 100644
--- a/bsd-user/bsd-proc.h
+++ b/bsd-user/bsd-proc.h
@@ -196,4 +196,94 @@ static inline abi_long do_bsd_setrlimit(abi_long arg1, abi_ulong arg2)
     return ret;
 }
 
+/* getpid(2) */
+static inline abi_long do_bsd_getpid(void)
+{
+    return get_errno(getpid());
+}
+
+/* getppid(2) */
+static inline abi_long do_bsd_getppid(void)
+{
+    return get_errno(getppid());
+}
+
+/* getuid(2) */
+static inline abi_long do_bsd_getuid(void)
+{
+    return get_errno(getuid());
+}
+
+/* geteuid(2) */
+static inline abi_long do_bsd_geteuid(void)
+{
+    return get_errno(geteuid());
+}
+
+/* getgid(2) */
+static inline abi_long do_bsd_getgid(void)
+{
+    return get_errno(getgid());
+}
+
+/* getegid(2) */
+static inline abi_long do_bsd_getegid(void)
+{
+    return get_errno(getegid());
+}
+
+/* setuid(2) */
+static inline abi_long do_bsd_setuid(abi_long arg1)
+{
+    return get_errno(setuid(arg1));
+}
+
+/* seteuid(2) */
+static inline abi_long do_bsd_seteuid(abi_long arg1)
+{
+    return get_errno(seteuid(arg1));
+}
+
+/* setgid(2) */
+static inline abi_long do_bsd_setgid(abi_long arg1)
+{
+    return get_errno(setgid(arg1));
+}
+
+/* setegid(2) */
+static inline abi_long do_bsd_setegid(abi_long arg1)
+{
+    return get_errno(setegid(arg1));
+}
+
+/* getpgid(2) */
+static inline abi_long do_bsd_getpgid(pid_t pid)
+{
+    return get_errno(getpgid(pid));
+}
+
+/* setpgid(2) */
+static inline abi_long do_bsd_setpgid(int pid, int pgrp)
+{
+    return get_errno(setpgid(pid, pgrp));
+}
+
+/* getpgrp(2) */
+static inline abi_long do_bsd_getpgrp(void)
+{
+    return get_errno(getpgrp());
+}
+
+/* setreuid(2) */
+static inline abi_long do_bsd_setreuid(abi_long arg1, abi_long arg2)
+{
+    return get_errno(setreuid(arg1, arg2));
+}
+
+/* setregid(2) */
+static inline abi_long do_bsd_setregid(abi_long arg1, abi_long arg2)
+{
+    return get_errno(setregid(arg1, arg2));
+}
+
 #endif /* !BSD_PROC_H_ */