mirror of git://git.musl-libc.org/musl
70 lines
1.1 KiB
C
70 lines
1.1 KiB
C
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#ifndef _SYS_SEM_H
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#define _SYS_SEM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define __NEED_size_t
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#include <bits/alltypes.h>
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#include <sys/ipc.h>
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#define SEM_UNDO 0x1000
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#define GETPID 11
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#define GETVAL 12
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#define GETALL 13
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#define GETNCNT 14
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#define GETZCNT 15
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#define SETVAL 16
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#define SETALL 17
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struct semid_ds {
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struct ipc_perm sem_perm;
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long sem_otime;
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unsigned long __unused1;
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long sem_ctime;
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unsigned long __unused2;
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unsigned long sem_nsems;
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unsigned long __unused3;
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unsigned long __unused4;
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};
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#define _SEM_SEMUN_UNDEFINED 1
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#define SEM_STAT 18
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#define SEM_INFO 19
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struct seminfo {
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int semmap;
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int semmni;
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int semmns;
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int semmnu;
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int semmsl;
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int semopm;
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int semume;
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int semusz;
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int semvmx;
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int semaem;
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};
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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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int semctl(int, int, int, ...);
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int semget(key_t, int, int);
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int semop(int, struct sembuf *, size_t);
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#ifdef _GNU_SOURCE
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#define __NEED_struct_timespec
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#include <bits/alltypes.h>
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int semtimedop(int, struct sembuf *, size_t, const struct timespec *);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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