Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
sembuf.h
Go to the documentation of this file.
1 #ifndef _S390_SEMBUF_H
2 #define _S390_SEMBUF_H
3 
4 /*
5  * The semid64_ds structure for S/390 architecture.
6  * Note extra padding because this structure is passed back and forth
7  * between kernel and user space.
8  *
9  * Pad space is left for:
10  * - 64-bit time_t to solve y2038 problem (for !__s390x__)
11  * - 2 miscellaneous 32-bit values
12  */
13 
14 struct semid64_ds {
15  struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
16  __kernel_time_t sem_otime; /* last semop time */
17 #ifndef __s390x__
18  unsigned long __unused1;
19 #endif /* ! __s390x__ */
20  __kernel_time_t sem_ctime; /* last change time */
21 #ifndef __s390x__
22  unsigned long __unused2;
23 #endif /* ! __s390x__ */
24  unsigned long sem_nsems; /* no. of semaphores in array */
25  unsigned long __unused3;
26  unsigned long __unused4;
27 };
28 
29 #endif /* _S390_SEMBUF_H */