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28 lines
533 B
C
28 lines
533 B
C
#ifndef _IPC_SEM_H
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#define _IPC_SEM_H
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#include <ipc/ipc.h>
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#define MAX_SEM_SETS 16
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#define MAX_SEMS_PER_SET 16
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struct sembuf {
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unsigned short sem_num;
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short sem_op;
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short sem_flg;
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};
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typedef struct semid_ds {
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int semid;
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key_t key;
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uint32_t nsems;
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int values[MAX_SEMS_PER_SET];
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bool in_use;
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} semid_ds_t;
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int semget(key_t key, int nsems, int semflg);
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int semop(int semid, struct sembuf* sops, size_t nsops);
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int semctl(int semid, int semnum, int cmd, ...);
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#endif // _IPC_SEM_H
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