src/api/sys_shm.c

   1 #include <sys/shm.h>
   2 #define T(t) (t*)0;
   3 #define F(t,n) {t *y = &x.n;}
   4 #define C(n) switch(n){case n:;}
   5 static void f()
   6 {
   7 T(shmatt_t)
   8 T(pid_t)
   9 T(size_t)
  10 T(time_t)
  11 C(SHM_RDONLY)
  12 C(SHM_RND)
  13 C(SHMLBA)
  14 {
  15 struct shmid_ds x;
  16 F(struct ipc_perm, shm_perm)
  17 F(size_t,shm_segsz)
  18 F(pid_t, shm_lpid)
  19 F(pid_t, shm_cpid)
  20 F(shmatt_t,shm_nattch)
  21 F(time_t,shm_atime)
  22 F(time_t,shm_dtime)
  23 F(time_t,shm_ctime)
  24 }
  25 {void*(*p)(int,const void*,int) = shmat;}
  26 {int(*p)(int,int,struct shmid_ds*) = shmctl;}
  27 {int(*p)(const void*) = shmdt;}
  28 {int(*p)(key_t,size_t,int) = shmget;}
  29
  30 T(uid_t)
  31 T(gid_t)
  32 T(mode_t)
  33 T(key_t)
  34 {
  35 struct ipc_perm x;
  36 F(uid_t,uid)
  37 F(gid_t,gid)
  38 F(uid_t,cuid)
  39 F(gid_t,cgid)
  40 F(mode_t, mode)
  41 }
  42 C(IPC_CREAT)
  43 C(IPC_EXCL)
  44 C(IPC_NOWAIT)
  45 C(IPC_PRIVATE)
  46 C(IPC_RMID)
  47 C(IPC_SET)
  48 C(IPC_STAT)
  49 {key_t(*p)(const char*,int) = ftok;}
  50 }