1 /* -----------------------------------------------------------------------------
3 * (c) The University of Glasgow 2001-2004
5 * Definitions for package `base' which are visible in Haskell land.
7 * ---------------------------------------------------------------------------*/
12 #include "ghcconfig.h"
14 #include "HsBaseConfig.h"
17 #undef PACKAGE_BUGREPORT
20 #undef PACKAGE_TARNAME
21 #undef PACKAGE_VERSION
30 #include <sys/types.h>
46 /* Ultra-ugly: OpenBSD uses broken macros for sigemptyset and sigfillset (missing casts) */
64 #if HAVE_SYS_UTSNAME_H
65 #include <sys/utsname.h>
69 # include <sys/time.h>
72 # if HAVE_SYS_TIMERS_H
74 # include <sys/timers.h>
81 #include <sys/timeb.h>
87 #include <sys/times.h>
89 #if HAVE_WINSOCK_H && defined(mingw32_HOST_OS)
99 #if !defined(mingw32_HOST_OS) && !defined(irix_HOST_OS)
100 # if HAVE_SYS_RESOURCE_H
101 # include <sys/resource.h>
106 #include <sys/syscall.h>
107 #define getrusage(a, b) syscall(SYS_GETRUSAGE, a, b)
108 #define HAVE_GETRUSAGE
113 #include <sys/wait.h>
118 #include "lockFile.h"
119 #include "dirUtils.h"
121 #include "runProcess.h"
123 #if defined(mingw32_HOST_OS)
126 #include "timeUtils.h"
131 #if HAVE_SYS_SELECT_H
132 #include <sys/select.h>
135 /* in inputReady.c */
136 int inputReady(int fd, int msecs, int isSock);
139 extern HsInt nocldstop;
141 #if !defined(mingw32_HOST_OS)
143 extern int execvpe(char *name, char *const argv[], char **envp);
144 extern void pPrPr_disableITimers (void);
147 /* -----------------------------------------------------------------------------
148 64-bit operations, defined in longlong.c
149 -------------------------------------------------------------------------- */
151 #ifdef SUPPORT_LONG_LONGS
153 StgInt stg_gtWord64 (StgWord64, StgWord64);
154 StgInt stg_geWord64 (StgWord64, StgWord64);
155 StgInt stg_eqWord64 (StgWord64, StgWord64);
156 StgInt stg_neWord64 (StgWord64, StgWord64);
157 StgInt stg_ltWord64 (StgWord64, StgWord64);
158 StgInt stg_leWord64 (StgWord64, StgWord64);
160 StgInt stg_gtInt64 (StgInt64, StgInt64);
161 StgInt stg_geInt64 (StgInt64, StgInt64);
162 StgInt stg_eqInt64 (StgInt64, StgInt64);
163 StgInt stg_neInt64 (StgInt64, StgInt64);
164 StgInt stg_ltInt64 (StgInt64, StgInt64);
165 StgInt stg_leInt64 (StgInt64, StgInt64);
167 StgWord64 stg_remWord64 (StgWord64, StgWord64);
168 StgWord64 stg_quotWord64 (StgWord64, StgWord64);
170 StgInt64 stg_remInt64 (StgInt64, StgInt64);
171 StgInt64 stg_quotInt64 (StgInt64, StgInt64);
172 StgInt64 stg_negateInt64 (StgInt64);
173 StgInt64 stg_plusInt64 (StgInt64, StgInt64);
174 StgInt64 stg_minusInt64 (StgInt64, StgInt64);
175 StgInt64 stg_timesInt64 (StgInt64, StgInt64);
177 StgWord64 stg_and64 (StgWord64, StgWord64);
178 StgWord64 stg_or64 (StgWord64, StgWord64);
179 StgWord64 stg_xor64 (StgWord64, StgWord64);
180 StgWord64 stg_not64 (StgWord64);
182 StgWord64 stg_uncheckedShiftL64 (StgWord64, StgInt);
183 StgWord64 stg_uncheckedShiftRL64 (StgWord64, StgInt);
184 StgInt64 stg_uncheckedIShiftL64 (StgInt64, StgInt);
185 StgInt64 stg_uncheckedIShiftRL64 (StgInt64, StgInt);
186 StgInt64 stg_uncheckedIShiftRA64 (StgInt64, StgInt);
188 StgInt64 stg_intToInt64 (StgInt);
189 StgInt stg_int64ToInt (StgInt64);
190 StgWord64 stg_int64ToWord64 (StgInt64);
192 StgWord64 stg_wordToWord64 (StgWord);
193 StgWord stg_word64ToWord (StgWord64);
194 StgInt64 stg_word64ToInt64 (StgWord64);
196 StgInt64 stg_integerToInt64 (StgInt sa, StgByteArray /* Really: mp_limb_t* */ da);
197 StgWord64 stg_integerToWord64 (StgInt sa, StgByteArray /* Really: mp_limb_t* */ da);
199 #endif /* SUPPORT_LONG_LONGS */
201 /* -----------------------------------------------------------------------------
204 These functions are given as inlines here for when compiling via C,
205 but we also generate static versions into the cbits library for
206 when compiling to native code.
207 -------------------------------------------------------------------------- */
210 # if defined(_MSC_VER)
211 # define INLINE extern __inline
212 # elif defined(__HUGS__)
213 # define INLINE INLINE_ONLY
215 # define INLINE extern inline
219 INLINE int __hscore_get_errno(void) { return errno; }
220 INLINE void __hscore_set_errno(int e) { errno = e; }
222 #if !defined(_MSC_VER)
223 INLINE int __hscore_s_isreg(m) { return S_ISREG(m); }
224 INLINE int __hscore_s_isdir(m) { return S_ISDIR(m); }
225 INLINE int __hscore_s_isfifo(m) { return S_ISFIFO(m); }
226 INLINE int __hscore_s_isblk(m) { return S_ISBLK(m); }
227 INLINE int __hscore_s_ischr(m) { return S_ISCHR(m); }
229 INLINE int __hscore_s_issock(m) { return S_ISSOCK(m); }
233 #if !defined(mingw32_HOST_OS) && !defined(_MSC_VER)
235 __hscore_sigemptyset( sigset_t *set )
236 { return sigemptyset(set); }
239 __hscore_sigfillset( sigset_t *set )
240 { return sigfillset(set); }
243 __hscore_sigaddset( sigset_t * set, int s )
244 { return sigaddset(set,s); }
247 __hscore_sigdelset( sigset_t * set, int s )
248 { return sigdelset(set,s); }
251 __hscore_sigismember( sigset_t * set, int s )
252 { return sigismember(set,s); }
256 __hscore_memcpy_dst_off( char *dst, int dst_off, char *src, size_t sz )
257 { return memcpy(dst+dst_off, src, sz); }
260 __hscore_memcpy_src_off( char *dst, char *src, int src_off, size_t sz )
261 { return memcpy(dst, src+src_off, sz); }
264 __hscore_supportsTextMode()
266 #if defined(mingw32_HOST_OS)
267 return HS_BOOL_FALSE;
288 #if defined(_MSC_VER)
291 return CONST_O_BINARY;
306 __hscore_o_wronly( void )
316 __hscore_o_rdwr( void )
326 __hscore_o_append( void )
336 __hscore_o_creat( void )
346 __hscore_o_excl( void )
356 __hscore_o_trunc( void )
366 __hscore_o_noctty( void )
376 __hscore_o_nonblock( void )
386 __hscore_seek_set( void )
392 __hscore_seek_end( void )
398 __hscore_ftruncate( int fd, off_t where )
400 #if defined(HAVE_FTRUNCATE)
401 return ftruncate(fd,where);
402 #elif defined(HAVE__CHSIZE)
403 return _chsize(fd,where);
405 #error at least ftruncate or _chsize functions are required to build
410 __hscore_setmode( HsInt fd, HsBool toBin )
412 #if defined(mingw32_HOST_OS) || defined(_MSC_VER)
413 return setmode(fd,(toBin == HS_BOOL_TRUE) ? _O_BINARY : _O_TEXT);
420 __hscore_PrelHandle_write( HsInt fd, HsAddr ptr, HsInt off, int sz )
422 return write(fd,(char *)ptr + off, sz);
426 __hscore_PrelHandle_read( HsInt fd, HsAddr ptr, HsInt off, int sz )
428 return read(fd,(char *)ptr + off, sz);
432 #if defined(mingw32_HOST_OS) || defined(_MSC_VER)
434 __hscore_PrelHandle_send( HsInt fd, HsAddr ptr, HsInt off, int sz )
436 return send(fd,(char *)ptr + off, sz, 0);
440 __hscore_PrelHandle_recv( HsInt fd, HsAddr ptr, HsInt off, int sz )
442 return recv(fd,(char *)ptr + off, sz, 0);
446 #if defined(mingw32_HOST_OS) || defined(_MSC_VER)
448 __hscore_Time_ghcTimezone( void ) { return &_timezone; }
451 __hscore_Time_ghcTzname( void ) { return _tzname; }
455 __hscore_mkdir( HsAddr pathName, HsInt mode )
457 #if defined(mingw32_HOST_OS) || defined(_MSC_VER)
458 return mkdir(pathName);
460 return mkdir(pathName,mode);
465 __hscore_lstat( HsAddr fname, HsAddr st )
468 return lstat((const char*)fname, (struct stat*)st);
470 return stat((const char*)fname, (struct stat*)st);
475 /* A size that will contain many path names, but not necessarily all
476 * (PATH_MAX is not defined on systems with unlimited path length,
479 INLINE HsInt __hscore_long_path_size() { return PATH_MAX; }
481 INLINE HsInt __hscore_long_path_size() { return 4096; }
485 INLINE mode_t __hscore_R_OK() { return R_OK; }
488 INLINE mode_t __hscore_W_OK() { return W_OK; }
491 INLINE mode_t __hscore_X_OK() { return X_OK; }
495 INLINE mode_t __hscore_S_IRUSR() { return S_IRUSR; }
498 INLINE mode_t __hscore_S_IWUSR() { return S_IWUSR; }
501 INLINE mode_t __hscore_S_IXUSR() { return S_IXUSR; }
505 __hscore_d_name( struct dirent* d )
507 return (HsAddr)(d->d_name);
511 __hscore_end_of_dir( void )
513 return READDIR_ERRNO_EOF;
517 __hscore_free_dirent(HsAddr dEnt)
525 __hscore_sizeof_stat( void )
527 return sizeof(struct stat);
530 INLINE time_t __hscore_st_mtime ( struct stat* st ) { return st->st_mtime; }
531 INLINE off_t __hscore_st_size ( struct stat* st ) { return st->st_size; }
532 #if !defined(_MSC_VER)
533 INLINE mode_t __hscore_st_mode ( struct stat* st ) { return st->st_mode; }
537 INLINE tcflag_t __hscore_lflag( struct termios* ts ) { return ts->c_lflag; }
540 __hscore_poke_lflag( struct termios* ts, tcflag_t t ) { ts->c_lflag = t; }
542 INLINE unsigned char*
543 __hscore_ptr_c_cc( struct termios* ts )
544 { return (unsigned char*) &ts->c_cc; }
547 __hscore_sizeof_termios( void )
549 #ifndef mingw32_HOST_OS
550 return sizeof(struct termios);
557 #if !defined(mingw32_HOST_OS) && !defined(_MSC_VER)
559 __hscore_sizeof_sigset_t( void )
561 return sizeof(sigset_t);
566 __hscore_echo( void )
577 __hscore_tcsanow( void )
588 __hscore_icanon( void )
597 INLINE int __hscore_vmin( void )
606 INLINE int __hscore_vtime( void )
615 INLINE int __hscore_sigttou( void )
624 INLINE int __hscore_sig_block( void )
633 INLINE int __hscore_sig_setmask( void )
643 __hscore_f_getfl( void )
653 __hscore_f_setfl( void )
662 // defined in rts/RtsStartup.c.
663 extern void* __hscore_get_saved_termios(int fd);
664 extern void __hscore_set_saved_termios(int fd, void* ts);
666 INLINE int __hscore_hs_fileno (FILE *f) { return fileno (f); }
668 #if !defined(mingw32_HOST_OS) && !defined(_MSC_VER)
669 INLINE int __hsposix_SIGABRT() { return SIGABRT; }
670 INLINE int __hsposix_SIGALRM() { return SIGALRM; }
671 INLINE int __hsposix_SIGBUS() { return SIGBUS; }
672 INLINE int __hsposix_SIGCHLD() { return SIGCHLD; }
673 INLINE int __hsposix_SIGCONT() { return SIGCONT; }
674 INLINE int __hsposix_SIGFPE() { return SIGFPE; }
675 INLINE int __hsposix_SIGHUP() { return SIGHUP; }
676 INLINE int __hsposix_SIGILL() { return SIGILL; }
677 INLINE int __hsposix_SIGINT() { return SIGINT; }
678 INLINE int __hsposix_SIGKILL() { return SIGKILL; }
679 INLINE int __hsposix_SIGPIPE() { return SIGPIPE; }
680 INLINE int __hsposix_SIGQUIT() { return SIGQUIT; }
681 INLINE int __hsposix_SIGSEGV() { return SIGSEGV; }
682 INLINE int __hsposix_SIGSTOP() { return SIGSTOP; }
683 INLINE int __hsposix_SIGTERM() { return SIGTERM; }
684 INLINE int __hsposix_SIGTSTP() { return SIGTSTP; }
685 INLINE int __hsposix_SIGTTIN() { return SIGTTIN; }
686 INLINE int __hsposix_SIGTTOU() { return SIGTTOU; }
687 INLINE int __hsposix_SIGUSR1() { return SIGUSR1; }
688 INLINE int __hsposix_SIGUSR2() { return SIGUSR2; }
690 INLINE int __hsposix_SIGPOLL() { return SIGPOLL; }
692 INLINE int __hsposix_SIGPROF() { return SIGPROF; }
693 INLINE int __hsposix_SIGSYS() { return SIGSYS; }
694 INLINE int __hsposix_SIGTRAP() { return SIGTRAP; }
695 INLINE int __hsposix_SIGURG() { return SIGURG; }
696 INLINE int __hsposix_SIGVTALRM() { return SIGVTALRM; }
697 INLINE int __hsposix_SIGXCPU() { return SIGXCPU; }
698 INLINE int __hsposix_SIGXFSZ() { return SIGXFSZ; }
700 INLINE int __hsposix_SIG_BLOCK() { return SIG_BLOCK; }
701 INLINE int __hsposix_SIG_UNBLOCK() { return SIG_UNBLOCK; }
702 INLINE int __hsposix_SIG_SETMASK() { return SIG_SETMASK; }
704 #endif /* mingw32_HOST_OS */
706 INLINE int __hscore_open(char *file, int how, mode_t mode) {
707 #ifdef mingw32_HOST_OS
708 if ((how & O_WRONLY) || (how & O_RDWR) || (how & O_APPEND))
709 return _sopen(file,how,_SH_DENYRW,mode);
711 return _sopen(file,how,_SH_DENYWR,mode);
713 return open(file,how,mode);
717 // These are wrapped because on some OSs (eg. Linux) they are
718 // macros which redirect to the 64-bit-off_t versions when large file
719 // support is enabled.
721 INLINE off_t __hscore_lseek(int fd, off_t off, int whence) {
722 return (lseek(fd,off,whence));
725 INLINE int __hscore_stat(char *file, struct stat *buf) {
726 return (stat(file,buf));
729 INLINE int __hscore_fstat(int fd, struct stat *buf) {
730 return (fstat(fd,buf));
733 // select-related stuff
735 #if !defined(mingw32_HOST_OS)
736 INLINE void hsFD_CLR(int fd, fd_set *fds) { FD_CLR(fd, fds); }
737 INLINE int hsFD_ISSET(int fd, fd_set *fds) { return FD_ISSET(fd, fds); }
738 INLINE void hsFD_SET(int fd, fd_set *fds) { FD_SET(fd, fds); }
739 INLINE int sizeof_fd_set(void) { return sizeof(fd_set); }
740 extern void hsFD_ZERO(fd_set *fds);
743 // gettimeofday()-related
745 #if !defined(mingw32_HOST_OS)
748 INLINE HsInt sizeofTimeVal(void) { return sizeof(struct timeval); }
750 INLINE HsInt getTicksOfDay(void)
753 gettimeofday(&tv, (struct timezone *) NULL);
754 return (tv.tv_sec * TICK_FREQ +
755 tv.tv_usec * TICK_FREQ / 1000000);
758 INLINE void setTimevalTicks(struct timeval *p, HsInt ticks)
760 p->tv_sec = ticks / TICK_FREQ;
761 p->tv_usec = (ticks % TICK_FREQ) * (1000000 / TICK_FREQ);
763 #endif // !defined(mingw32_HOST_OS)
767 #if defined(mingw32_HOST_OS)
769 /* Make sure we've got the reqd CSIDL_ constants in scope;
770 * w32api header files are lagging a bit in defining the full set.
772 #if !defined(CSIDL_APPDATA)
773 #define CSIDL_APPDATA 0x001a
775 #if !defined(CSIDL_PERSONAL)
776 #define CSIDL_PERSONAL 0x0005
778 #if !defined(CSIDL_PROFILE)
779 #define CSIDL_PROFILE 0x0028
781 #if !defined(CSIDL_WINDOWS)
782 #define CSIDL_WINDOWS 0x0024
785 INLINE int __hscore_CSIDL_PROFILE() { return CSIDL_PROFILE; }
786 INLINE int __hscore_CSIDL_APPDATA() { return CSIDL_APPDATA; }
787 INLINE int __hscore_CSIDL_WINDOWS() { return CSIDL_WINDOWS; }
788 INLINE int __hscore_CSIDL_PERSONAL() { return CSIDL_PERSONAL; }
791 /* ToDo: write a feature test that doesn't assume 'environ' to
792 * be in scope at link-time. */
793 extern char** environ;
794 INLINE char **__hscore_environ() { return environ; }
796 #endif /* __HSBASE_H__ */