src/OS/os.h-cygwin

   1 /* $Cambridge: exim/src/OS/os.h-cygwin,v 1.2 2005/05/24 08:15:01 tom Exp $ */
   2
   3 /* Exim: OS-specific C header file for Cygwin */
   4
   5 /* This code was supplied by Pierre A. Humblet <Pierre.Humblet@ieee.org> */
   6
   7 /* Define the OS_INIT macro that we insert in exim.c:main()
   8    to set the root and exim uid depending on the system */
   9 /* We use a special routine to initialize */
  10 void cygwin_init(int, char **, void *, void *, void *, void *);
  11 #define OS_INIT\
  12   cygwin_init(argc, (char **) argv, &root_uid, &exim_uid, &exim_gid, &config_uid);
  13
  14 /* We need a special mkdir that
  15    allows names starting with // */
  16 #include <sys/stat.h> /* Do not redefine mkdir in sys/stat.h */
  17 int cygwin_mkdir( const char *_path, mode_t __mode );
  18 #define mkdir cygwin_mkdir /* redefine mkdir elsewhere */
  19
  20 /* Redefine the set*id calls to run when faking root */
  21 #include <unistd.h>   /* Do not redefine in unitsd.h */
  22 int cygwin_setuid(uid_t uid );
  23 int cygwin_setgid(gid_t gid );
  24 #define setuid cygwin_setuid
  25 #define setgid cygwin_setgid
  26
  27 extern unsigned int cygwin_WinVersion;
  28
  29 #define BASE_62 36  /* Windows aliases lower and upper cases in filenames.
  30            Consider reducing MAX_LOCALHOST_NUMBER */
  31 #define CRYPT_H
  32 #define HAVE_MMAP
  33 #define HAVE_SYS_VFS_H
  34 #define NO_IP_VAR_H
  35 #define NO_IP_OPTIONS
  36 #define F_FREESP     O_TRUNC
  37 /* Defining LOAD_AVG_NEEDS_ROOT causes an initial
  38    call to os_getloadavg. In our case this is beneficial
  39    because it initializes the counts */
  40 #define LOAD_AVG_NEEDS_ROOT
  41
  42 typedef struct flock flock_t;
  43
  44 /* Macro to define variable length SID structures */
  45 #define SID(n, name, sid...) \
  46 struct  { \
  47   BYTE  Revision; \
  48   BYTE  SubAuthorityCount; \
  49   SID_IDENTIFIER_AUTHORITY IdentifierAuthority; \
  50   DWORD SubAuthority[n]; \
  51 } name = { SID_REVISION, n, {SECURITY_NT_AUTHORITY}, {sid}}
  52
  53 /* End */