* modify it under the same terms as Perl itself.
*/
+#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#define PERLIO_NOT_STDIO 1
#include "perl.h"
typedef FILE * OutputStream;
#endif
-#include "patchlevel.h"
-
-#if (PATCHLEVEL < 3) || ((PATCHLEVEL == 3) && (SUBVERSION < 22))
- /* before 5.003_22 */
-# define MY_start_subparse(fmt,flags) start_subparse()
-#else
-# if (PATCHLEVEL == 3) && (SUBVERSION == 22)
- /* 5.003_22 */
-# define MY_start_subparse(fmt,flags) start_subparse(flags)
-# else
- /* 5.003_23 onwards */
-# define MY_start_subparse(fmt,flags) start_subparse(fmt,flags)
-# endif
-#endif
+#define MY_start_subparse(fmt,flags) start_subparse(fmt,flags)
#ifndef gv_stashpvn
#define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
#endif
static int
-not_here(s)
-char *s;
+not_here(char *s)
{
croak("%s not implemented on this architecture", s);
return -1;
}
-#ifndef newCONSTSUB
-/*
- * Define an XSUB that returns a constant scalar. The resulting structure is
- * identical to that created by the parser when it parses code like :
- *
- * sub xyz () { 123 }
- *
- * This allows the constants from the XSUB to be inlined.
- *
- * !!! THIS SHOULD BE ADDED INTO THE CORE CODE !!!!
- *
- */
-
-static void
-newCONSTSUB(stash,name,sv)
- HV *stash;
- char *name;
- SV *sv;
-{
-#ifdef dTHR
- dTHR;
-#endif
- U32 oldhints = hints;
- HV *old_cop_stash = curcop->cop_stash;
- HV *old_curstash = curstash;
- line_t oldline = curcop->cop_line;
- curcop->cop_line = copline;
-
- hints &= ~HINT_BLOCK_SCOPE;
- if(stash)
- curstash = curcop->cop_stash = stash;
-
- newSUB(
- MY_start_subparse(FALSE, 0),
- newSVOP(OP_CONST, 0, newSVpv(name,0)),
- newSVOP(OP_CONST, 0, &sv_no), /* SvPV(&sv_no) == "" -- GMB */
- newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
- );
-
- hints = oldhints;
- curcop->cop_stash = old_cop_stash;
- curstash = old_curstash;
- curcop->cop_line = oldline;
-}
-#endif
#ifndef PerlIO
#define PerlIO_fileno(f) fileno(f)
#endif
static int
-io_blocking(f,block)
-InputStream f;
-int block;
+io_blocking(InputStream f, int block)
{
int RETVAL;
if(!f) {
if (RETVAL >= 0) {
int mode = RETVAL;
#ifdef O_NONBLOCK
- /* POSIX style */
+ /* POSIX style */
#if defined(O_NDELAY) && O_NDELAY != O_NONBLOCK
- /* Ooops has O_NDELAY too - make sure we don't
- * get SysV behaviour by mistake
- */
- RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
-
- if ((mode & O_NDELAY) || ((block == 0) && !(mode & O_NONBLOCK))) {
- int ret;
- mode = (mode & ~O_NDELAY) | O_NONBLOCK;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
- else if ((mode & O_NDELAY) || ((block > 0) && (mode & O_NONBLOCK))) {
- int ret;
- mode &= ~(O_NONBLOCK | O_NDELAY);
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
+ /* Ooops has O_NDELAY too - make sure we don't
+ * get SysV behaviour by mistake. */
+
+ /* E.g. In UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY
+ * after a successful F_SETFL of an O_NONBLOCK. */
+ RETVAL = RETVAL & (O_NONBLOCK | O_NDELAY) ? 0 : 1;
+
+ if (block >= 0) {
+ if ((mode & O_NDELAY) || ((block == 0) && !(mode & O_NONBLOCK))) {
+ int ret;
+ mode = (mode & ~O_NDELAY) | O_NONBLOCK;
+ ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
+ if(ret < 0)
+ RETVAL = ret;
+ }
+ else
+ if ((mode & O_NDELAY) || ((block > 0) && (mode & O_NONBLOCK))) {
+ int ret;
+ mode &= ~(O_NONBLOCK | O_NDELAY);
+ ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
+ if(ret < 0)
+ RETVAL = ret;
+ }
}
#else
- /* Standard POSIX */
+ /* Standard POSIX */
RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
if ((block == 0) && !(mode & O_NONBLOCK)) {
if(ret < 0)
RETVAL = ret;
}
-#endif
+#endif
#else
/* Not POSIX - better have O_NDELAY or we can't cope.
* for BSD-ish machines this is an acceptable alternative
- * for SysV we can't tell "would block" from EOF but that is
+ * for SysV we can't tell "would block" from EOF but that is
* the way SysV is...
*/
RETVAL = RETVAL & O_NDELAY ? 0 : 1;
InputStream handle
CODE:
if (handle) {
- Fpos_t pos;
#ifdef PerlIO
- PerlIO_getpos(handle, &pos);
+ ST(0) = sv_2mortal(newSV(0));
+ if (PerlIO_getpos(handle, ST(0)) != 0) {
+ ST(0) = &PL_sv_undef;
+ }
#else
- fgetpos(handle, &pos);
+ if (fgetpos(handle, &pos)) {
+ ST(0) = &PL_sv_undef;
+ } else {
+ ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
+ }
#endif
- ST(0) = sv_2mortal(newSVpv((char*)&pos, sizeof(Fpos_t)));
}
else {
- ST(0) = &sv_undef;
+ ST(0) = &PL_sv_undef;
errno = EINVAL;
}
InputStream handle
SV * pos
CODE:
- if (handle)
+ if (handle) {
#ifdef PerlIO
- RETVAL = PerlIO_setpos(handle, (Fpos_t*)SvPVX(pos));
+ RETVAL = PerlIO_setpos(handle, pos);
#else
- RETVAL = fsetpos(handle, (Fpos_t*)SvPVX(pos));
+ char *p;
+ STRLEN len;
+ if ((p = SvPV(pos,len)) && len == sizeof(Fpos_t)) {
+ RETVAL = fsetpos(handle, (Fpos_t*)p);
+ }
+ else {
+ RETVAL = -1;
+ errno = EINVAL;
+ }
#endif
+ }
else {
RETVAL = -1;
errno = EINVAL;
SvREFCNT_dec(gv); /* undo increment in newRV() */
}
else {
- ST(0) = &sv_undef;
+ ST(0) = &PL_sv_undef;
SvREFCNT_dec(gv);
}
MODULE = IO PACKAGE = IO::Poll
-void
+void
_poll(timeout,...)
int timeout;
PPCODE:
int type
int size
CODE:
-/* Should check HAS_SETVBUF once Configure tests for that */
-#if defined(PERLIO_IS_STDIO) && defined(_IOFBF)
+#if defined(PERLIO_IS_STDIO) && defined(_IOFBF) && defined(HAS_SETVBUF)
if (!handle) /* Try input stream. */
handle = IoIFP(sv_2io(ST(0)));
if (handle)
#ifdef SEEK_END
newCONSTSUB(stash,"SEEK_END", newSViv(SEEK_END));
#endif
- /*
- * constant subs for IO
- */
- stash = gv_stashpvn("IO", 2, TRUE);
-#ifdef EINPROGRESS
- newCONSTSUB(stash,"EINPROGRESS", newSViv(EINPROGRESS));
-#endif
}