| #include <sys/sem.h> | |
| #include <limits.h> | |
| #include <errno.h> | |
| #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 | |
| } |