fix type of semctl variadic argument

[musl] / src / ipc / semctl.c

diff --git a/src/ipc/semctl.c b/src/ipc/semctl.c
index 274e2cf..49927e2 100644 (file)
--- a/src/ipc/semctl.c
+++ b/src/ipc/semctl.c
@@ -3,16 +3,22 @@
 #include "syscall.h"
 #include "ipc.h"
 
+struct semun {
+       int val;
+       struct semid_ds *buf;
+       unsigned short *array;
+};
+
 int semctl(int id, int num, int cmd, ...)
 {
-       long arg;
+       struct semun arg;
        va_list ap;
        va_start(ap, cmd);
-       arg = va_arg(ap, long);
+       arg = va_arg(ap, struct semun);
        va_end(ap);
 #ifdef SYS_semctl
-       return syscall(SYS_semctl, id, num, cmd | IPC_64, arg);
+       return syscall(SYS_semctl, id, num, cmd | IPC_64, arg.buf);
 #else
-       return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg);
+       return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | IPC_64, &arg.buf);
 #endif
 }