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postgresql/src/include/port/win32.h

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/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.61 2006/10/03 20:33:20 tgl Exp $ */
#if defined(_MSC_VER) || defined(__BORLANDC__)
#define WIN32_ONLY_COMPILER
#endif
/* undefine and redefine after #include */
#undef mkdir
#undef ERROR
#define _WINSOCKAPI_
#include <windows.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#undef small
#include <process.h>
#include <signal.h>
#include <errno.h>
#include <direct.h>
#include <sys/utime.h> /* for non-unicode version */
#undef near
/* Must be here to avoid conflicting with prototype in windows.h */
#define mkdir(a,b) mkdir(a)
#define HAVE_FSYNC_WRITETHROUGH
#define HAVE_FSYNC_WRITETHROUGH_ONLY
#define ftruncate(a,b) chsize(a,b)
/*
* Even though we don't support 'fsync' as a wal_sync_method,
* we do fsync() a few other places where _commit() is just fine.
*/
#define fsync(fd) _commit(fd)
#define USES_WINSOCK
/* defines for dynamic linking on Win32 platform */
#if defined(WIN32) || defined(__CYGWIN__)
#if __GNUC__ && ! defined (__declspec)
#error You need egcs 1.1 or newer for compiling!
#endif
#ifdef BUILDING_DLL
#define DLLIMPORT __declspec (dllexport)
#else /* not BUILDING_DLL */
#define DLLIMPORT __declspec (dllimport)
#endif
#else /* not CYGWIN, not MSVC, not MingW */
#define DLLIMPORT
#endif
/*
* IPC defines
*/
#undef HAVE_UNION_SEMUN
#define HAVE_UNION_SEMUN 1
#define IPC_RMID 256
#define IPC_CREAT 512
#define IPC_EXCL 1024
#define IPC_PRIVATE 234564
#define IPC_NOWAIT 2048
#define IPC_STAT 4096
#define EACCESS 2048
#define EIDRM 4096
#define SETALL 8192
#define GETNCNT 16384
#define GETVAL 65536
#define SETVAL 131072
#define GETPID 262144
/*
* Shared memory
*/
struct shmid_ds
{
int dummy;
int shm_nattch;
};
int shmdt(const void *shmaddr);
void *shmat(int memId, void *shmaddr, int flag);
int shmctl(int shmid, int flag, struct shmid_ds * dummy);
int shmget(int memKey, int size, int flag);
/*
* Semaphores
*/
union semun
{
int val;
struct semid_ds *buf;
unsigned short *array;
};
struct sembuf
{
int sem_flg;
int sem_op;
int sem_num;
};
int semctl(int semId, int semNum, int flag, union semun);
int semget(int semKey, int semNum, int flags);
int semop(int semId, struct sembuf * sops, int flag);
/*
* Signal stuff
* WIN32 doesn't have wait(), so the return value for children
* is simply the return value specified by the child, without
* any additional information on whether the child terminated
* on its own or via a signal. These macros are also used
* to interpret the return value of system().
*/
#define WEXITSTATUS(w) (w)
#define WIFEXITED(w) (true)
#define WIFSIGNALED(w) (false)
#define WTERMSIG(w) (0)
#define sigmask(sig) ( 1 << ((sig)-1) )
/* Signal function return values */
#undef SIG_DFL
#undef SIG_ERR
#undef SIG_IGN
#define SIG_DFL ((pqsigfunc)0)
#define SIG_ERR ((pqsigfunc)-1)
#define SIG_IGN ((pqsigfunc)1)
/* Some extra signals */
#define SIGHUP 1
#define SIGQUIT 3
#define SIGTRAP 5
#define SIGABRT 22 /* Set to match W32 value -- not UNIX value */
#define SIGKILL 9
#define SIGPIPE 13
#define SIGALRM 14
#define SIGSTOP 17
#define SIGTSTP 18
#define SIGCONT 19
#define SIGCHLD 20
#define SIGTTIN 21
#define SIGTTOU 22 /* Same as SIGABRT -- no problem, I hope */
#define SIGWINCH 28
#define SIGUSR1 30
#define SIGUSR2 31
struct timezone
{
int tz_minuteswest; /* Minutes west of GMT. */
int tz_dsttime; /* Nonzero if DST is ever in effect. */
};
/* for setitimer in backend/port/win32/timer.c */
#define ITIMER_REAL 0
struct itimerval
{
struct timeval it_interval;
struct timeval it_value;
};
int setitimer(int which, const struct itimerval *value, struct itimerval *ovalue);
/*
* Supplement to <sys/types.h>.
*
* Perl already has typedefs for uid_t and gid_t.
*/
#ifndef PLPERL_HAVE_UID_GID
typedef int uid_t;
typedef int gid_t;
#endif
typedef long key_t;
#ifdef WIN32_ONLY_COMPILER
typedef int pid_t;
#endif
/*
* Supplement to <sys/stat.h>.
*/
#define lstat(path, sb) stat((path), (sb))
/*
* Supplement to <fcntl.h>.
* This is the same value as _O_NOINHERIT in the MS header file. This is
* to ensure that we don't collide with a future definition. It means
* we cannot use _O_NOINHERIT ourselves.
*/
#define O_DSYNC 0x0080
/*
* Supplement to <errno.h>.
*/
#undef EAGAIN
#undef EINTR
#define EINTR WSAEINTR
#define EAGAIN WSAEWOULDBLOCK
#define EMSGSIZE WSAEMSGSIZE
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#define EWOULDBLOCK WSAEWOULDBLOCK
#define ECONNRESET WSAECONNRESET
#define EINPROGRESS WSAEINPROGRESS
#define ENOBUFS WSAENOBUFS
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#define ECONNREFUSED WSAECONNREFUSED
#define EBADFD WSAENOTSOCK
#define EOPNOTSUPP WSAEOPNOTSUPP
/* In backend/port/win32/signal.c */
extern DLLIMPORT volatile int pg_signal_queue;
extern DLLIMPORT int pg_signal_mask;
extern HANDLE pgwin32_signal_event;
extern HANDLE pgwin32_initial_signal_pipe;
#define UNBLOCKED_SIGNAL_QUEUE() (pg_signal_queue & ~pg_signal_mask)
void pgwin32_signal_initialize(void);
HANDLE pgwin32_create_signal_listener(pid_t pid);
void pgwin32_dispatch_queued_signals(void);
void pg_queue_signal(int signum);
/* In backend/port/win32/socket.c */
#ifndef FRONTEND
#define socket(af, type, protocol) pgwin32_socket(af, type, protocol)
#define accept(s, addr, addrlen) pgwin32_accept(s, addr, addrlen)
#define connect(s, name, namelen) pgwin32_connect(s, name, namelen)
#define select(n, r, w, e, timeout) pgwin32_select(n, r, w, e, timeout)
#define recv(s, buf, len, flags) pgwin32_recv(s, buf, len, flags)
#define send(s, buf, len, flags) pgwin32_send(s, buf, len, flags)
SOCKET pgwin32_socket(int af, int type, int protocol);
SOCKET pgwin32_accept(SOCKET s, struct sockaddr * addr, int *addrlen);
int pgwin32_connect(SOCKET s, const struct sockaddr * name, int namelen);
int pgwin32_select(int nfds, fd_set *readfs, fd_set *writefds, fd_set *exceptfds, const struct timeval * timeout);
int pgwin32_recv(SOCKET s, char *buf, int len, int flags);
int pgwin32_send(SOCKET s, char *buf, int len, int flags);
const char *pgwin32_socket_strerror(int err);
int pgwin32_waitforsinglesocket(SOCKET s, int what);
/* in backend/port/win32/security.c */
extern int pgwin32_is_admin(void);
extern int pgwin32_is_service(void);
#endif
/* in port/win32error.c */
extern void _dosmaperr(unsigned long);
/* Things that exist in MingW headers, but need to be added to MSVC */
#ifdef WIN32_ONLY_COMPILER
typedef long ssize_t;
typedef unsigned short mode_t;
/*
* Certain "standard edition" versions of MSVC throw a warning
* that later generates an error for "inline" statements, but
* __inline seems to work. e.g. Microsoft Visual C++ .NET
* Version 7.1.3088
*/
#define inline __inline
#define __inline__ __inline
#define _S_IRWXU (_S_IREAD | _S_IWRITE | _S_IEXEC)
#define _S_IXUSR _S_IEXEC
#define _S_IWUSR _S_IWRITE
#define _S_IRUSR _S_IREAD
#define S_IRUSR _S_IRUSR
#define S_IWUSR _S_IWUSR
#define S_IXUSR _S_IXUSR
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define F_OK 0
#define W_OK 2
#define R_OK 4
#define isinf(x) ((_fpclass(x) == _FPCLASS_PINF) || (_fpclass(x) == _FPCLASS_NINF))
#define isnan(x) _isnan(x)
#define finite(x) _finite(x)
/* Pulled from Makefile.port in mingw */
#define DLSUFFIX ".dll"
#endif
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