1*c9945492SAndroid Build Coastguard Worker #include <sys/sem.h>
2*c9945492SAndroid Build Coastguard Worker #include <limits.h>
3*c9945492SAndroid Build Coastguard Worker #include <errno.h>
4*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
5*c9945492SAndroid Build Coastguard Worker #include "ipc.h"
6*c9945492SAndroid Build Coastguard Worker
semget(key_t key,int n,int fl)7*c9945492SAndroid Build Coastguard Worker int semget(key_t key, int n, int fl)
8*c9945492SAndroid Build Coastguard Worker {
9*c9945492SAndroid Build Coastguard Worker /* The kernel uses the wrong type for the sem_nsems member
10*c9945492SAndroid Build Coastguard Worker * of struct semid_ds, and thus might not check that the
11*c9945492SAndroid Build Coastguard Worker * n fits in the correct (per POSIX) userspace type, so
12*c9945492SAndroid Build Coastguard Worker * we have to check here. */
13*c9945492SAndroid Build Coastguard Worker if (n > USHRT_MAX) return __syscall_ret(-EINVAL);
14*c9945492SAndroid Build Coastguard Worker #ifndef SYS_ipc
15*c9945492SAndroid Build Coastguard Worker return syscall(SYS_semget, key, n, fl);
16*c9945492SAndroid Build Coastguard Worker #else
17*c9945492SAndroid Build Coastguard Worker return syscall(SYS_ipc, IPCOP_semget, key, n, fl);
18*c9945492SAndroid Build Coastguard Worker #endif
19*c9945492SAndroid Build Coastguard Worker }
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