8 files changed, 12 insertions, 8 deletions
diff --git a/src/unistd/setegid.c b/src/unistd/setegid.c
index 85348842..e6da2573 100644
--- a/src/unistd/setegid.c
+++ b/src/unistd/setegid.c
@@ -1,6 +1,8 @@
 #include <unistd.h>
+#include "libc.h"
+#include "syscall.h"
 
 int setegid(gid_t egid)
 {
-	return setregid(-1, egid);
+	return __setxid(SYS_setresgid, -1, egid, -1);
 }
diff --git a/src/unistd/seteuid.c b/src/unistd/seteuid.c
index 0aaa86e0..ef8b9df4 100644
--- a/src/unistd/seteuid.c
+++ b/src/unistd/seteuid.c
@@ -1,6 +1,8 @@
 #include <unistd.h>
+#include "syscall.h"
+#include "libc.h"
 
 int seteuid(uid_t euid)
 {
-	return setreuid(-1, euid);
+	return __setxid(SYS_setresuid, -1, euid, -1);
 }
diff --git a/src/unistd/setgid.c b/src/unistd/setgid.c
index 87b2717e..bae4616a 100644
--- a/src/unistd/setgid.c
+++ b/src/unistd/setgid.c
@@ -4,5 +4,5 @@
 
 int setgid(gid_t gid)
 {
-	return __rsyscall(SYS_setgid, gid, 0, 0, 0, 0, 0);
+	return __setxid(SYS_setgid, gid, 0, 0);
 }
diff --git a/src/unistd/setregid.c b/src/unistd/setregid.c
index 665b5556..f5a8972a 100644
--- a/src/unistd/setregid.c
+++ b/src/unistd/setregid.c
@@ -4,5 +4,5 @@
 
 int setregid(gid_t rgid, gid_t egid)
 {
-	return __rsyscall(SYS_setregid, rgid, egid, 0, 0, 0, 0);
+	return __setxid(SYS_setregid, rgid, egid, 0);
 }
diff --git a/src/unistd/setresgid.c b/src/unistd/setresgid.c
index 9b9fe50b..b9af540a 100644
--- a/src/unistd/setresgid.c
+++ b/src/unistd/setresgid.c
@@ -5,5 +5,5 @@
 
 int setresgid(gid_t rgid, gid_t egid, gid_t sgid)
 {
-	return __rsyscall(SYS_setresgid, rgid, egid, sgid, 0, 0, 0);
+	return __setxid(SYS_setresgid, rgid, egid, sgid);
 }
diff --git a/src/unistd/setresuid.c b/src/unistd/setresuid.c
index 497f7592..83692b4c 100644
--- a/src/unistd/setresuid.c
+++ b/src/unistd/setresuid.c
@@ -5,5 +5,5 @@
 
 int setresuid(uid_t ruid, uid_t euid, uid_t suid)
 {
-	return __rsyscall(SYS_setresuid, ruid, euid, suid, 0, 0, 0);
+	return __setxid(SYS_setresuid, ruid, euid, suid);
 }
diff --git a/src/unistd/setreuid.c b/src/unistd/setreuid.c
index 93d68c03..3fcc59e2 100644
--- a/src/unistd/setreuid.c
+++ b/src/unistd/setreuid.c
@@ -4,5 +4,5 @@
 
 int setreuid(uid_t ruid, uid_t euid)
 {
-	return __rsyscall(SYS_setreuid, ruid, euid, 0, 0, 0, 0);
+	return __setxid(SYS_setreuid, ruid, euid, 0);
 }
diff --git a/src/unistd/setuid.c b/src/unistd/setuid.c
index e778c7f3..602ecbbf 100644
--- a/src/unistd/setuid.c
+++ b/src/unistd/setuid.c
@@ -4,5 +4,5 @@
 
 int setuid(uid_t uid)
 {
-	return __rsyscall(SYS_setuid, uid, 0, 0, 0, 0, 0);
+	return __setxid(SYS_setuid, uid, 0, 0);
 }