#endif
#ifdef PerlIO
+#if defined(MACOS_TRADITIONAL) && defined(USE_SFIO)
+#define PERLIO_IS_STDIO 1
+#undef setbuf
+#undef setvbuf
+#define setvbuf _stdsetvbuf
+#define setbuf(f,b) ( __sf_setbuf(f,b) )
+#endif
typedef int SysRet;
typedef PerlIO * InputStream;
typedef PerlIO * OutputStream;
#endif
static int
-io_blocking(InputStream f, int block)
+io_blocking(pTHX_ InputStream f, int block)
{
+#if defined(HAS_FCNTL)
int RETVAL;
if(!f) {
errno = EBADF;
return -1;
}
-#if defined(HAS_FCNTL)
RETVAL = fcntl(PerlIO_fileno(f), F_GETFL, 0);
if (RETVAL >= 0) {
int mode = RETVAL;
+ int newmode = mode;
#ifdef O_NONBLOCK
/* 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. */
- /* E.g. In UNICOS and UNICOS/mk a F_GETFL returns an O_NDELAY
+# ifndef O_NDELAY
+# define O_NDELAY O_NONBLOCK
+# endif
+ /* Note: 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;
- }
+ if (block == 0) {
+ newmode &= ~O_NDELAY;
+ newmode |= O_NONBLOCK;
+ } else if (block > 0) {
+ newmode &= ~(O_NDELAY|O_NONBLOCK);
}
#else
- /* Standard POSIX */
- RETVAL = RETVAL & O_NONBLOCK ? 0 : 1;
-
- if ((block == 0) && !(mode & O_NONBLOCK)) {
- int ret;
- mode |= O_NONBLOCK;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
- else if ((block > 0) && (mode & O_NONBLOCK)) {
- int ret;
- mode &= ~O_NONBLOCK;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
-#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
*/
RETVAL = RETVAL & O_NDELAY ? 0 : 1;
- if ((block == 0) && !(mode & O_NDELAY)) {
- int ret;
- mode |= O_NDELAY;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
- RETVAL = ret;
- }
- else if ((block > 0) && (mode & O_NDELAY)) {
+ if (block == 0) {
+ newmode |= O_NDELAY;
+ } else if (block > 0) {
+ newmode &= ~O_NDELAY;
+ }
+#endif
+ if (newmode != mode) {
int ret;
- mode &= ~O_NDELAY;
- ret = fcntl(PerlIO_fileno(f),F_SETFL,mode);
- if(ret < 0)
+ ret = fcntl(PerlIO_fileno(f),F_SETFL,newmode);
+ if (ret < 0)
RETVAL = ret;
- }
-#endif
+ }
}
return RETVAL;
#else
- return -1;
+ return -1;
#endif
}
for(i=1, j=0 ; j < nfd ; j++) {
fds[j].fd = SvIV(ST(i));
i++;
- fds[j].events = SvIV(ST(i));
+ fds[j].events = (short)SvIV(ST(i));
i++;
fds[j].revents = 0;
}
PROTOTYPE: $;$
CODE:
{
- int ret = io_blocking(handle, items == 1 ? -1 : blk ? 1 : 0);
+ int ret = io_blocking(aTHX_ handle, items == 1 ? -1 : blk ? 1 : 0);
if(ret >= 0)
XSRETURN_IV(ret);
else