winsup/cygserver/bsd_helper.h

   1 /* bsd_helper.h: Helps integrating BSD kernel code
   2
   3    Copyright 2003 Red Hat, Inc.
   4
   5 This file is part of Cygwin.
   6
   7 This software is a copyrighted work licensed under the terms of the
   8 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   9 details. */
  10 #ifndef _BSD_HELPER_H
  11 #define _BSD_HELPER_H
  12
  13 #include <sys/types.h>
  14 #include <sys/syslog.h>
  15
  16 enum tun_bool_t {
  17   TUN_UNDEF = 0,
  18   TUN_FALSE = 1,
  19   TUN_TRUE  = 2
  20 };
  21
  22 #define TUNABLE_INT_FETCH(a,b)  tunable_int_fetch((a),(b))
  23 #define TUNABLE_BOOL_FETCH(a,b) tunable_bool_fetch((a),(b))
  24
  25 #define sys_malloc(a,b,c) (malloc(a)?:(panic("malloc failed in %s, line %d"),(void*)NULL))
  26 #define sys_free(a,b) free(a)
  27
  28 #define jail_sysvipc_allowed true
  29 #define jailed(a) false
  30
  31 extern const char *__progname;
  32
  33 /* Global vars, determining whether the IPC stuff should be started or not. */
  34 extern tun_bool_t support_sharedmem;
  35 extern tun_bool_t support_msgqueues;
  36 extern tun_bool_t support_semaphores;
  37
  38 extern SECURITY_ATTRIBUTES sec_all_nih;
  39
  40 void securityinit (void);
  41
  42 int win_copyin (struct thread *, const void *, void *, size_t);
  43 int win_copyout (struct thread *, const void *, void *, size_t);
  44 #define copyin(a,b,c) win_copyin((td),(a),(b),(c))
  45 #define copyout(a,b,c) win_copyout((td),(a),(b),(c))
  46
  47 int ipcperm (struct thread *, struct ipc_perm *, unsigned int);
  48 int suser (struct thread *);
  49 bool adjust_identity_info (struct proc *p);
  50
  51 struct vmspace *ipc_p_vmspace (struct proc *);
  52 int ipcexit_creat_hookthread(struct thread *);
  53 void ipcinit (void);
  54 int ipcunload (void);
  55
  56 vm_object_t _vm_pager_allocate (int, int);
  57 #define vm_pager_allocate(a,b,s,c,d) _vm_pager_allocate((s),(mode))
  58 vm_object_t vm_object_duplicate (struct thread *td, vm_object_t object);
  59 void vm_object_deallocate (vm_object_t object);
  60
  61 void tunable_param_init (const char *, bool);
  62 void tunable_int_fetch (const char *, long *);
  63 void tunable_bool_fetch (const char *, tun_bool_t *);
  64
  65 #endif /* _BSD_HELPER_H */