[project @ 2005-01-28 13:36:25 by simonmar]

[ghc-base.git] / include / HsBase.h

diff --git a/include/HsBase.h b/include/HsBase.h
index 61faaf8..e8b7ae3 100644 (file)
--- a/include/HsBase.h
+++ b/include/HsBase.h
@@ -1,6 +1,6 @@
 /* -----------------------------------------------------------------------------
  *
- * (c) The University of Glasgow 2001-2002
+ * (c) The University of Glasgow 2001-2004
  *
  * Definitions for package `base' which are visible in Haskell land.
  *
@@ -10,6 +10,16 @@
 #define __HSBASE_H__
 
 #include "ghcconfig.h"
+
+#include "HsBaseConfig.h"
+
+/* ultra-evil... */
+#undef PACKAGE_BUGREPORT
+#undef PACKAGE_NAME
+#undef PACKAGE_STRING
+#undef PACKAGE_TARNAME
+#undef PACKAGE_VERSION
+
 #include "HsFFI.h"
 
 #include <stdio.h>
@@ -76,7 +86,7 @@
 #if HAVE_SYS_TIMES_H
 #include <sys/times.h>
 #endif
-#if HAVE_WINSOCK_H && defined(mingw32_TARGET_OS)
+#if HAVE_WINSOCK_H && defined(mingw32_HOST_OS)
 #include <winsock.h>
 #endif
 #if HAVE_LIMITS_H
@@ -86,13 +96,13 @@
 #include <wctype.h>
 #endif
 
-#if !defined(mingw32_TARGET_OS) && !defined(irix_TARGET_OS)
+#if !defined(mingw32_HOST_OS) && !defined(irix_HOST_OS)
 # if HAVE_SYS_RESOURCE_H
 #  include <sys/resource.h>
 # endif
 #endif
 
-#ifdef hpux_TARGET_OS
+#ifdef hpux_HOST_OS
 #include <sys/syscall.h>
 #define getrusage(a, b)  syscall(SYS_GETRUSAGE, a, b)
 #define HAVE_GETRUSAGE
@@ -108,21 +118,18 @@
 #include "lockFile.h"
 #include "dirUtils.h"
 
-#if defined(mingw32_TARGET_OS)
+#include "runProcess.h"
+
+#if defined(mingw32_HOST_OS)
 #include <io.h>
 #include <fcntl.h>
 #include "timeUtils.h"
 #include <shlobj.h>
+#include <share.h>
 #endif
 
-/* in system.c */
-HsInt systemCmd(HsAddr cmd);
-
-/* in rawSystem.c */
-#if defined(mingw32_TARGET_OS)
-HsInt rawSystem(HsAddr cmd);
-#else
-HsInt rawSystem(HsAddr cmd, HsAddr args);
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
 #endif
 
 /* in inputReady.c */
@@ -134,6 +141,12 @@ void writeErrString__(HsAddr msg, HsInt len);
 /* in Signals.c */
 extern HsInt nocldstop;
 
+#if !defined(mingw32_HOST_OS)
+/* in execvpe.c */
+extern int execvpe(char *name, char *const argv[], char **envp);
+extern void pPrPr_disableITimers (void);
+#endif
+
 /* -----------------------------------------------------------------------------
    64-bit operations, defined in longlong.c
    -------------------------------------------------------------------------- */
@@ -220,7 +233,7 @@ INLINE int __hscore_s_issock(m) { return S_ISSOCK(m); }
 #endif
 #endif
 
-#if !defined(mingw32_TARGET_OS) && !defined(_MSC_VER)
+#if !defined(mingw32_HOST_OS) && !defined(_MSC_VER)
 INLINE int
 __hscore_sigemptyset( sigset_t *set )
 { return sigemptyset(set); }
@@ -253,7 +266,7 @@ __hscore_memcpy_src_off( char *dst, char *src, int src_off, size_t sz )
 INLINE HsBool
 __hscore_supportsTextMode()
 {
-#if defined(mingw32_TARGET_OS)
+#if defined(mingw32_HOST_OS)
   return HS_BOOL_FALSE;
 #else
   return HS_BOOL_TRUE;
@@ -384,10 +397,22 @@ __hscore_seek_end( void )
   return SEEK_END;
 }
 
+INLINE int
+__hscore_ftruncate( int fd, off_t where )
+{
+#if defined(HAVE_FTRUNCATE)
+  return ftruncate(fd,where);
+#elif defined(HAVE__CHSIZE)
+  return _chsize(fd,where);
+#else
+#error at least ftruncate or _chsize functions are required to build
+#endif
+}
+
 INLINE HsInt
 __hscore_setmode( HsInt fd, HsBool toBin )
 {
-#if defined(mingw32_TARGET_OS) || defined(_MSC_VER)
+#if defined(mingw32_HOST_OS) || defined(_MSC_VER)
   return setmode(fd,(toBin == HS_BOOL_TRUE) ? _O_BINARY : _O_TEXT);
 #else
   return 0;
@@ -407,7 +432,7 @@ __hscore_PrelHandle_read( HsInt fd, HsAddr ptr, HsInt off, int sz )
 
 }
 
-#if defined(mingw32_TARGET_OS) || defined(_MSC_VER)
+#if defined(mingw32_HOST_OS) || defined(_MSC_VER)
 INLINE HsInt
 __hscore_PrelHandle_send( HsInt fd, HsAddr ptr, HsInt off, int sz )
 {
@@ -421,7 +446,7 @@ __hscore_PrelHandle_recv( HsInt fd, HsAddr ptr, HsInt off, int sz )
 }
 #endif
 
-#if defined(mingw32_TARGET_OS) || defined(_MSC_VER)
+#if defined(mingw32_HOST_OS) || defined(_MSC_VER)
 INLINE long *
 __hscore_Time_ghcTimezone( void ) { return &_timezone; }
 
@@ -432,7 +457,7 @@ __hscore_Time_ghcTzname( void ) { return _tzname; }
 INLINE HsInt
 __hscore_mkdir( HsAddr pathName, HsInt mode )
 {
-#if defined(mingw32_TARGET_OS) || defined(_MSC_VER)
+#if defined(mingw32_HOST_OS) || defined(_MSC_VER)
   return mkdir(pathName);
 #else
   return mkdir(pathName,mode);
@@ -482,11 +507,7 @@ INLINE mode_t __hscore_S_IXUSR() { return S_IXUSR; }
 INLINE HsAddr
 __hscore_d_name( struct dirent* d )
 {
-#if defined(STRUCT_DIRENT_FLAT_LAYOUT)
-  return (HsAddr)(&d->d_name);
-#else
   return (HsAddr)(d->d_name);
-#endif
 }
 
 INLINE HsInt
@@ -528,7 +549,7 @@ __hscore_ptr_c_cc( struct termios* ts )
 INLINE HsInt
 __hscore_sizeof_termios( void )
 {
-#ifndef mingw32_TARGET_OS
+#ifndef mingw32_HOST_OS
   return sizeof(struct termios);
 #else
   return 0;
@@ -536,7 +557,7 @@ __hscore_sizeof_termios( void )
 }
 #endif
 
-#if !defined(mingw32_TARGET_OS) && !defined(_MSC_VER)
+#if !defined(mingw32_HOST_OS) && !defined(_MSC_VER)
 INLINE HsInt
 __hscore_sizeof_sigset_t( void )
 {
@@ -647,7 +668,7 @@ extern void __hscore_set_saved_termios(int fd, void* ts);
 
 INLINE int __hscore_hs_fileno (FILE *f) { return fileno (f); }
 
-#if !defined(mingw32_TARGET_OS) && !defined(_MSC_VER)
+#if !defined(mingw32_HOST_OS) && !defined(_MSC_VER)
 INLINE int __hsposix_SIGABRT()   { return SIGABRT; }
 INLINE int __hsposix_SIGALRM()   { return SIGALRM; }
 INLINE int __hsposix_SIGBUS()    { return SIGBUS; }
@@ -668,7 +689,7 @@ INLINE int __hsposix_SIGTTIN()   { return SIGTTIN; }
 INLINE int __hsposix_SIGTTOU()   { return SIGTTOU; }
 INLINE int __hsposix_SIGUSR1()   { return SIGUSR1; }
 INLINE int __hsposix_SIGUSR2()   { return SIGUSR2; }
-#if HAVE_SIGPOLL
+#ifdef SIGPOLL
 INLINE int __hsposix_SIGPOLL()   { return SIGPOLL; }
 #endif
 INLINE int __hsposix_SIGPROF()   { return SIGPROF; }
@@ -682,16 +703,24 @@ INLINE int __hsposix_SIGXFSZ()   { return SIGXFSZ; }
 INLINE int __hsposix_SIG_BLOCK()   { return SIG_BLOCK; }
 INLINE int __hsposix_SIG_UNBLOCK() { return SIG_UNBLOCK; }
 INLINE int __hsposix_SIG_SETMASK() { return SIG_SETMASK; }
-#endif /* mingw32_TARGET_OS */
+
+#endif /* mingw32_HOST_OS */
+
+INLINE int __hscore_open(char *file, int how, mode_t mode) {
+#ifdef mingw32_HOST_OS
+       if ((how & O_WRONLY) || (how & O_RDWR) || (how & O_APPEND))
+         return _sopen(file,how,_SH_DENYRW,mode);
+       else
+         return _sopen(file,how,_SH_DENYWR,mode);
+#else
+       return open(file,how,mode);
+#endif
+}
 
 // These are wrapped because on some OSs (eg. Linux) they are
 // macros which redirect to the 64-bit-off_t versions when large file
 // support is enabled.
 //
-INLINE int __hscore_open(char *file, int how, mode_t mode) {
-       return (open(file,how,mode));
-}
-
 INLINE off_t __hscore_lseek(int fd, off_t off, int whence) {
        return (lseek(fd,off,whence));
 }
@@ -704,7 +733,41 @@ INLINE int __hscore_fstat(int fd, struct stat *buf) {
        return (fstat(fd,buf));
 }
 
-#if defined(mingw32_TARGET_OS)
+// select-related stuff
+
+#if !defined(mingw32_HOST_OS)
+INLINE void hsFD_CLR(int fd, fd_set *fds) { FD_CLR(fd, fds); }
+INLINE int  hsFD_ISSET(int fd, fd_set *fds) { return FD_ISSET(fd, fds); }
+INLINE void hsFD_SET(int fd, fd_set *fds) { FD_SET(fd, fds); }
+INLINE int  sizeof_fd_set(void) { return sizeof(fd_set); }
+extern void hsFD_ZERO(fd_set *fds);
+#endif
+
+// gettimeofday()-related
+
+#if !defined(mingw32_HOST_OS)
+#define TICK_FREQ  50
+
+INLINE HsInt sizeofTimeVal(void) { return sizeof(struct timeval); }
+
+INLINE HsInt getTicksOfDay(void)
+{
+    struct timeval tv;
+    gettimeofday(&tv, (struct timezone *) NULL);
+    return (tv.tv_sec * TICK_FREQ +
+           tv.tv_usec * TICK_FREQ / 1000000);
+}
+
+INLINE void setTimevalTicks(struct timeval *p, HsInt ticks)
+{
+    p->tv_sec  = ticks / TICK_FREQ;
+    p->tv_usec = (ticks % TICK_FREQ) * (1000000 / TICK_FREQ);
+}
+#endif // !defined(mingw32_HOST_OS)
+
+// Directory-related
+
+#if defined(mingw32_HOST_OS)
 
 /* Make sure we've got the reqd CSIDL_ constants in scope;
  * w32api header files are lagging a bit in defining the full set.
@@ -728,5 +791,10 @@ INLINE int __hscore_CSIDL_WINDOWS()  { return CSIDL_WINDOWS;  }
 INLINE int __hscore_CSIDL_PERSONAL() { return CSIDL_PERSONAL; }
 #endif
 
+/* ToDo: write a feature test that doesn't assume 'environ' to
+ *    be in scope at link-time. */
+extern char** environ;
+INLINE char **__hscore_environ() { return environ; }
+
 #endif /* __HSBASE_H__ */