*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
+ * If you do not wish that, delete this exception notice. */
\f
#include "__scm.h"
+/* This file is only visible to the libguile sources */
+
/* Include headers for those files central to the implementation. The
rest should be explicitly #included in the C files themselves. */
#include "error.h" /* Everyone signals errors. */
#include "ports.h" /* Everyone does I/O. */
#include "async.h" /* Everyone allows/disallows ints. */
#ifdef USE_THREADS
-#include "../threads/threads.h" /* Some thread packages does switching
- at async ticks. */
+#include "threads.h" /* The cooperative thread package does
+ switching at async ticks. */
#endif
+#include "snarf.h" /* Everyone snarfs. */
/* On VMS, GNU C's errno.h contains a special hack to get link attributes
* for errno correct for linking to the C RTL.
*/
#include <errno.h>
-/* SCM_SYSCALL retries system calls that have been interrupted (EINTR) */
+/* SCM_SYSCALL retries system calls that have been interrupted (EINTR).
+ However this can be avoided if the operating system can restart
+ system calls automatically. We assume this is the case if
+ sigaction is available and SA_RESTART is defined; they will be used
+ when installing signal handlers.
+ */
+
+#ifdef HAVE_RESTARTS
+#define SCM_SYSCALL(line) line
+#endif
+
+#ifndef SCM_SYSCALL
#ifdef vms
# ifndef __GNUC__
# include <ssdef.h>
while(EVMSERR==errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3))
# endif /* ndef __GNUC__ */
#endif /* def vms */
+#endif /* ndef SCM_SYSCALL */
#ifndef SCM_SYSCALL
# ifdef EINTR
#endif /* ndef SCM_SYSCALL */
#ifndef SCM_SYSCALL
-# define SCM_SYSCALL(line) {line;}
+# define SCM_SYSCALL(line) line;
#endif /* ndef SCM_SYSCALL */
#ifndef MSDOS
\f
-#ifndef SCM_MAGIC_SNARFER
-#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \
- static char RANAME[]=STR
-#define SCM_PROC1(RANAME, STR, TYPE, CFN) \
- static char RANAME[]=STR
-#else
-#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \
-%%% scm_make_gsubr (RANAME, REQ, OPT, VAR, CFN)
-#define SCM_PROC1(RANAME, STR, TYPE, CFN) \
-%%% scm_make_subr(RANAME, TYPE, CFN)
+#ifndef min
+#define min(A,B) ((A) <= (B) ? (A) : (B))
#endif
-
-#ifndef SCM_MAGIC_SNARFER
-#define SCM_SYMBOL(c_name, scheme_name) \
- static SCM c_name = SCM_BOOL_F
-#else
-#define SCM_SYMBOL(C_NAME, SCHEME_NAME) \
-%%% C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
-#endif
-
-
-#ifndef SCM_MAGIC_SNARFER
-#define SCM_GLOBAL(c_name, scheme_name) \
- static SCM c_name = SCM_BOOL_F
-#else
-#define SCM_GLOBAL(C_NAME, SCHEME_NAME) \
-%%% C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
-#endif
-
-
-#ifndef SCM_MAGIC_SNARFER
-#define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
- static SCM C_NAME = SCM_BOOL_F
-#else
-#define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
-%%% C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, scm_long2num (VALUE))
+#ifndef max
+#define max(A,B) ((A) >= (B) ? (A) : (B))
#endif
#endif /* _SCMH */