#include #include #include #include "syscall.h" #include "ipc.h" int semget(key_t key, int n, int fl) { /* The kernel uses the wrong type for the sem_nsems member * of struct semid_ds, and thus might not check that the * n fits in the correct (per POSIX) userspace type, so * we have to check here. */ if (n > USHRT_MAX) return __syscall_ret(-EINVAL); #ifdef SYS_semget return syscall(SYS_semget, key, n, fl); #else return syscall(SYS_ipc, IPCOP_semget, key, n, fl); #endif }