| 1 | /* $NetBSD: sem.h,v 1.6 2009/01/19 19:39:41 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * SVID compatible sem.h file |
| 5 | * |
| 6 | * Author: Daniel Boulet |
| 7 | */ |
| 8 | |
| 9 | #ifndef _COMPAT_SYS_SEM_H_ |
| 10 | #define _COMPAT_SYS_SEM_H_ |
| 11 | |
| 12 | #include <compat/sys/ipc.h> |
| 13 | |
| 14 | struct semid_ds14 { |
| 15 | struct ipc_perm14 sem_perm; /* operation permission struct */ |
| 16 | struct __sem *sem_base; /* pointer to first semaphore in set */ |
| 17 | unsigned short sem_nsems; /* number of sems in set */ |
| 18 | int32_t sem_otime; /* last operation time */ |
| 19 | long sem_pad1; /* SVABI/386 says I need this here */ |
| 20 | int32_t sem_ctime; /* last change time */ |
| 21 | /* Times measured in secs since */ |
| 22 | /* 00:00:00 GMT, Jan. 1, 1970 */ |
| 23 | long sem_pad2; /* SVABI/386 says I need this here */ |
| 24 | long sem_pad3[4]; /* SVABI/386 says I need this here */ |
| 25 | }; |
| 26 | |
| 27 | struct semid_ds13 { |
| 28 | struct ipc_perm sem_perm; /* operation permission structure */ |
| 29 | unsigned short sem_nsems; /* number of semaphores in set */ |
| 30 | int32_t sem_otime; /* last semop() time */ |
| 31 | int32_t sem_ctime; /* last time changed by semctl() */ |
| 32 | |
| 33 | /* |
| 34 | * These members are private and used only in the internal |
| 35 | * implementation of this interface. |
| 36 | */ |
| 37 | struct __sem *_sem_base; /* pointer to first semaphore in set */ |
| 38 | }; |
| 39 | |
| 40 | /* Warning: 64-bit structure padding is needed here */ |
| 41 | struct semid_ds_sysctl50 { |
| 42 | struct ipc_perm_sysctl sem_perm; |
| 43 | int16_t sem_nsems; |
| 44 | int16_t pad2; |
| 45 | int32_t pad3; |
| 46 | int32_t sem_otime; |
| 47 | int32_t sem_ctime; |
| 48 | }; |
| 49 | |
| 50 | struct sem_sysctl_info50 { |
| 51 | struct seminfo seminfo; |
| 52 | struct semid_ds_sysctl50 semids[1]; |
| 53 | }; |
| 54 | |
| 55 | __BEGIN_DECLS |
| 56 | static __inline void __semid_ds14_to_native(const struct semid_ds14 *, struct semid_ds *); |
| 57 | static __inline void __native_to_semid_ds14(const struct semid_ds *, struct semid_ds14 *); |
| 58 | static __inline void __semid_ds13_to_native(const struct semid_ds13 *, struct semid_ds *); |
| 59 | static __inline void __native_to_semid_ds13(const struct semid_ds *, struct semid_ds13 *); |
| 60 | |
| 61 | static __inline void |
| 62 | __semid_ds13_to_native(const struct semid_ds13 *osembuf, struct semid_ds *sembuf) |
| 63 | { |
| 64 | |
| 65 | sembuf->sem_perm = osembuf->sem_perm; |
| 66 | |
| 67 | #define CVT(x) sembuf->x = osembuf->x |
| 68 | CVT(sem_nsems); |
| 69 | CVT(sem_otime); |
| 70 | CVT(sem_ctime); |
| 71 | #undef CVT |
| 72 | } |
| 73 | |
| 74 | static __inline void |
| 75 | __native_to_semid_ds13(const struct semid_ds *sembuf, struct semid_ds13 *osembuf) |
| 76 | { |
| 77 | |
| 78 | osembuf->sem_perm = sembuf->sem_perm; |
| 79 | |
| 80 | #define CVT(x) osembuf->x = sembuf->x |
| 81 | #define CVTI(x) osembuf->x = (int)sembuf->x |
| 82 | CVT(sem_nsems); |
| 83 | CVTI(sem_otime); |
| 84 | CVTI(sem_ctime); |
| 85 | #undef CVT |
| 86 | #undef CVTI |
| 87 | } |
| 88 | |
| 89 | static __inline void |
| 90 | __semid_ds14_to_native(const struct semid_ds14 *osembuf, struct semid_ds *sembuf) |
| 91 | { |
| 92 | |
| 93 | __ipc_perm14_to_native(&osembuf->sem_perm, &sembuf->sem_perm); |
| 94 | |
| 95 | #define CVT(x) sembuf->x = osembuf->x |
| 96 | CVT(sem_nsems); |
| 97 | CVT(sem_otime); |
| 98 | CVT(sem_ctime); |
| 99 | #undef CVT |
| 100 | } |
| 101 | |
| 102 | static __inline void |
| 103 | __native_to_semid_ds14(const struct semid_ds *sembuf, struct semid_ds14 *osembuf) |
| 104 | { |
| 105 | |
| 106 | __native_to_ipc_perm14(&sembuf->sem_perm, &osembuf->sem_perm); |
| 107 | |
| 108 | #define CVT(x) osembuf->x = sembuf->x |
| 109 | #define CVTI(x) osembuf->x = (int)sembuf->x |
| 110 | CVT(sem_nsems); |
| 111 | CVTI(sem_otime); |
| 112 | CVTI(sem_ctime); |
| 113 | #undef CVT |
| 114 | #undef CVTI |
| 115 | } |
| 116 | |
| 117 | int semctl(int, int, int, ...); |
| 118 | int __semctl(int, int, int, union __semun *); |
| 119 | int __semctl13(int, int, int, ...); |
| 120 | int __semctl14(int, int, int, ...); |
| 121 | int __semctl50(int, int, int, ...); |
| 122 | int ____semctl50(int, int, int, ...); |
| 123 | __END_DECLS |
| 124 | |
| 125 | #endif /* !_COMPAT_SYS_SEM_H_ */ |
| 126 | |