#include "perl.h"
#include "XSUB.h"
-#include <fcntl.h>
+#ifdef VMS
+# include <file.h>
+#else
+# include <fcntl.h>
+#endif
+
+/* This comment is a kludge to get metaconfig to see the symbols
+ VAL_O_NONBLOCK
+ VAL_EAGAIN
+ RD_NODATA
+ EOF_NONBLOCK
+ and include the appropriate metaconfig unit
+ so that Configure will test how to turn on non-blocking I/O
+ for a file descriptor. See config.h for how to use these
+ in your extension.
+
+ While I'm at it, I'll have metaconfig look for HAS_POLL too.
+ --AD October 16, 1995
+*/
static int
-not_here(s)
-char *s;
+not_here(char *s)
{
croak("%s not implemented on this architecture", s);
return -1;
}
static double
-constant(name, arg)
-char *name;
-int arg;
+constant(char *name, int arg)
{
errno = 0;
switch (*name) {
#else
goto not_there;
#endif
+ if (strEQ(name, "F_GETOWN"))
+#ifdef F_GETOWN
+ return F_GETOWN;
+#else
+ goto not_there;
+#endif
if (strEQ(name, "F_SETFD"))
#ifdef F_SETFD
return F_SETFD;
#else
goto not_there;
#endif
- if (strEQ(name, "SETFL"))
-#ifdef SETFL
- return SETFL;
+ if (strEQ(name, "F_POSIX"))
+#ifdef F_POSIX
+ return F_POSIX;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "F_SETFL"))
+#ifdef F_SETFL
+ return F_SETFL;
#else
goto not_there;
#endif
#else
goto not_there;
#endif
+ if (strEQ(name, "F_SETOWN"))
+#ifdef F_SETOWN
+ return F_SETOWN;
+#else
+ goto not_there;
+#endif
if (strEQ(name, "F_RDLCK"))
#ifdef F_RDLCK
return F_RDLCK;
#endif
errno = EINVAL;
return 0;
- } else
- if (strEQ(name, "FD_CLOEXEC"))
+ }
+ if (strEQ(name, "FAPPEND"))
+#ifdef FAPPEND
+ return FAPPEND;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FASYNC"))
+#ifdef FASYNC
+ return FASYNC;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FCREAT"))
+#ifdef FCREAT
+ return FCREAT;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FD_CLOEXEC"))
#ifdef FD_CLOEXEC
return FD_CLOEXEC;
#else
goto not_there;
#endif
+ if (strEQ(name, "FEXCL"))
+#ifdef FEXCL
+ return FEXCL;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FNDELAY"))
+#ifdef FNDELAY
+ return FNDELAY;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FNONBLOCK"))
+#ifdef FNONBLOCK
+ return FNONBLOCK;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FSYNC"))
+#ifdef FSYNC
+ return FSYNC;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "FTRUNC"))
+#ifdef FTRUNC
+ return FTRUNC;
+#else
+ goto not_there;
+#endif
break;
+ case 'L':
+ if (strnEQ(name, "LOCK_", 5)) {
+ /* We support flock() on systems which don't have it, so
+ always supply the constants. */
+ if (strEQ(name, "LOCK_SH"))
+#ifdef LOCK_SH
+ return LOCK_SH;
+#else
+ return 1;
+#endif
+ if (strEQ(name, "LOCK_EX"))
+#ifdef LOCK_EX
+ return LOCK_EX;
+#else
+ return 2;
+#endif
+ if (strEQ(name, "LOCK_NB"))
+#ifdef LOCK_NB
+ return LOCK_NB;
+#else
+ return 4;
+#endif
+ if (strEQ(name, "LOCK_UN"))
+#ifdef LOCK_UN
+ return LOCK_UN;
+#else
+ return 8;
+#endif
+ } else
+ goto not_there;
+ break;
case 'O':
if (strnEQ(name, "O_", 2)) {
if (strEQ(name, "O_CREAT"))
#else
goto not_there;
#endif
+ if (strEQ(name, "O_BINARY"))
+#ifdef O_BINARY
+ return O_BINARY;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_EXLOCK"))
+#ifdef O_EXLOCK
+ return O_EXLOCK;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_SHLOCK"))
+#ifdef O_SHLOCK
+ return O_SHLOCK;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_ASYNC"))
+#ifdef O_ASYNC
+ return O_ASYNC;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_DSYNC"))
+#ifdef O_DSYNC
+ return O_DSYNC;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_RSYNC"))
+#ifdef O_RSYNC
+ return O_RSYNC;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_SYNC"))
+#ifdef O_SYNC
+ return O_SYNC;
+#else
+ goto not_there;
+#endif
+ if (strEQ(name, "O_DEFER"))
+#ifdef O_DEFER
+ return O_DEFER;
+#else
+ goto not_there;
+#endif
} else
goto not_there;
break;