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/** |
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* D header file for POSIX. |
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* |
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* Copyright: Public Domain |
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* License: Public Domain |
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* Authors: Sean Kelly |
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* Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition |
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*/ |
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module tango.stdc.posix.sys.shm; |
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private import tango.stdc.posix.config; |
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public import tango.stdc.posix.sys.types; // for pid_t, time_t, key_t, size_t |
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public import tango.stdc.posix.sys.ipc; |
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extern (C): |
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// |
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// XOpen (XSI) |
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// |
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/* |
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SHM_RDONLY |
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SHM_RND |
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|
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SHMLBA |
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|
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shmatt_t |
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|
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struct shmid_ds |
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{ |
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ipc_perm shm_perm; |
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size_t shm_segsz; |
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pid_t shm_lpid; |
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pid_t shm_cpid; |
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shmatt_t shm_nattch; |
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time_t shm_atime; |
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time_t shm_dtime; |
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time_t shm_ctime; |
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} |
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|
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void* shmat(int, in void*, int); |
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int shmctl(int, int, shmid_ds*); |
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int shmdt(in void*); |
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int shmget(key_t, size_t, int); |
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*/ |
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|
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version( linux ) |
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{ |
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const SHM_RDONLY = 010000; |
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const SHM_RND = 020000; |
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|
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int __getpagesize(); |
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alias __getpagesize SHMLBA; |
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|
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alias c_ulong shmatt_t; |
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|
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struct shmid_ds |
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{ |
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ipc_perm shm_perm; |
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size_t shm_segsz; |
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time_t shm_atime; |
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c_ulong __unused1; |
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time_t shm_dtime; |
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c_ulong __unused2; |
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time_t shm_ctime; |
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c_ulong __unused3; |
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pid_t shm_cpid; |
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pid_t shm_lpid; |
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shmatt_t shm_nattch; |
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c_ulong __unused4; |
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c_ulong __unused5; |
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} |
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|
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void* shmat(int, in void*, int); |
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int shmctl(int, int, shmid_ds*); |
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int shmdt(in void*); |
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int shmget(key_t, size_t, int); |
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} |
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else version( freebsd ) |
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{ |
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const SHM_RDONLY = 010000; |
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const SHM_RND = 020000; |
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const SHMLBA = 1 << 12; // PAGE_SIZE = (1<<PAGE_SHIFT) |
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|
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alias c_ulong shmatt_t; |
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|
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struct shmid_ds |
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{ |
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ipc_perm shm_perm; |
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size_t shm_segsz; |
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time_t shm_atime; |
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c_ulong __unused1; |
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time_t shm_dtime; |
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c_ulong __unused2; |
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time_t shm_ctime; |
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c_ulong __unused3; |
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pid_t shm_cpid; |
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pid_t shm_lpid; |
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shmatt_t shm_nattch; |
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c_ulong __unused4; |
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c_ulong __unused5; |
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} |
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void* shmat(int, in void*, int); |
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int shmctl(int, int, shmid_ds*); |
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int shmdt(in void*); |
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int shmget(key_t, size_t, int); |
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} |
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else version( darwin ) |
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{ |
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} |
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else version( solaris ) |
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{ |
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private const _SC_PAGESIZE = 11; // from <sys/unistd.h> |
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private c_long _sysconf(int); |
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const SHM_RDONLY = 010000; |
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const SHM_RND = 020000; |
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const SHM_SHARE_MMU = 040000; |
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const SHM_PAGEABLE = 0100000; /* pageable ISM */ |
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extern(D) c_long SHMLBA(){ return _sysconf(_SC_PAGESIZE); }; |
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alias c_ulong shmatt_t; |
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|
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struct shmid_ds |
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{ |
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ipc_perm shm_perm; /* operation permission struct */ |
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size_t shm_segsz; /* size of segment in bytes */ |
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void* shm_amp; /* segment anon_map pointer */ |
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ushort shm_lkcnt; /* number of times it is being locked */ |
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pid_t shm_lpid; /* pid of last shmop */ |
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pid_t shm_cpid; /* pid of creator */ |
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shmatt_t shm_nattch; /* number of attaches */ |
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ulong shm_cnattch;/* number of ISM attaches */ |
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version(X86_64) { |
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time_t shm_atime; /* last shmat time */ |
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time_t shm_dtime; /* last shmdt time */ |
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time_t shm_ctime; /* last change time */ |
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long[4] shm_pad4; /* reserve area */ |
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} else { |
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time_t shm_atime; /* last shmat time */ |
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int shm_pad1; /* reserved for time_t expansion */ |
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time_t shm_dtime; /* last shmdt time */ |
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int shm_pad2; /* reserved for time_t expansion */ |
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time_t shm_ctime; /* last change time */ |
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int shm_pad3; /* reserved for time_t expansion */ |
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int[4] shm_pad4; /* reserve area */ |
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} |
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} |
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|
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void* shmat(int, in void*, int); |
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int shmctl(int, int, shmid_ds*); |
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int shmdt(in void*); |
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int shmget(key_t, size_t, int); |
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} |
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