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-rw-r--r--Python/cgensupport.c2
-rw-r--r--Python/fmod.c2
-rw-r--r--Python/frozenmain.c33
-rw-r--r--Python/getcwd.c24
-rw-r--r--Python/marshal.c19
-rw-r--r--Python/modsupport.c145
-rw-r--r--Python/pythonmain.c67
-rw-r--r--Python/strerror.c4
-rw-r--r--Python/structmember.c7
-rw-r--r--Python/sysmodule.c22
-rw-r--r--Python/thread.c599
11 files changed, 275 insertions, 649 deletions
diff --git a/Python/cgensupport.c b/Python/cgensupport.c
index 87fcfab..5f3ad04 100644
--- a/Python/cgensupport.c
+++ b/Python/cgensupport.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
diff --git a/Python/fmod.c b/Python/fmod.c
index 027c662..106ad1a 100644
--- a/Python/fmod.c
+++ b/Python/fmod.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
diff --git a/Python/frozenmain.c b/Python/frozenmain.c
index 8f35ea5..20d0364 100644
--- a/Python/frozenmain.c
+++ b/Python/frozenmain.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -28,9 +28,14 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
extern char *getenv();
+extern char *getversion();
+extern char *getcopyright();
+
extern int debugging;
extern int verbose;
-extern int killprint;
+extern int suppress_print;
+
+static char *argv0;
main(argc, argv)
int argc;
@@ -39,17 +44,29 @@ main(argc, argv)
char *p;
int n, sts;
int inspect = 0;
+ int unbuffered = 0;
+
+ argv0 = argv[0];
if ((p = getenv("PYTHONDEBUG")) && *p != '\0')
debugging = 1;
+ if ((p = getenv("PYTHONSUPPRESS")) && *p != '\0')
+ suppress_print = 1;
if ((p = getenv("PYTHONVERBOSE")) && *p != '\0')
verbose = 1;
if ((p = getenv("PYTHONINSPECT")) && *p != '\0')
inspect = 1;
- if ((p = getenv("PYTHONKILLPRINT")) && *p != '\0')
- killprint = 1;
+ if ((p = getenv("PYTHONUNBUFFERED")) && *p != '\0')
+ unbuffered = 1;
+
+ if (unbuffered) {
+ setbuf(stdout, (char *)NULL);
+ setbuf(stderr, (char *)NULL);
+ }
- initargs(&argc, &argv);
+ if (verbose)
+ fprintf(stderr, "Python %s\n%s\n",
+ getversion(), getcopyright());
initall();
setpythonargv(argc, argv);
@@ -69,3 +86,9 @@ main(argc, argv)
goaway(sts);
/*NOTREACHED*/
}
+
+char *
+getprogramname()
+{
+ return argv0;
+}
diff --git a/Python/getcwd.c b/Python/getcwd.c
index e3c3bfc..05b58bc 100644
--- a/Python/getcwd.c
+++ b/Python/getcwd.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -25,16 +25,20 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
/* Two PD getcwd() implementations.
Author: Guido van Rossum, CWI Amsterdam, Jan 1991, <guido@cwi.nl>. */
-/* #define NO_GETWD /* Turn this on to popen pwd instead of calling getwd() */
-
#include <stdio.h>
#include <errno.h>
-#ifndef NO_GETWD
+#ifdef HAVE_GETWD
+
+/* Version for BSD systems -- use getwd() */
-/* Default: Version for BSD systems -- use getwd() */
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
-#include "sys/param.h"
+#ifndef MAXPATHLEN
+#define MAXPATHLEN 1024
+#endif
extern char *getwd();
@@ -63,11 +67,13 @@ getcwd(buf, size)
return buf;
}
-#else
+#else /* !HAVE_GETWD */
-/* NO_GETWD defined: Version for backward UNIXes -- popen /bin/pwd */
+/* Version for really old UNIX systems -- use pipe from pwd */
+#ifndef PWD_CMD
#define PWD_CMD "/bin/pwd"
+#endif
char *
getcwd(buf, size)
@@ -97,4 +103,4 @@ getcwd(buf, size)
return buf;
}
-#endif
+#endif /* !HAVE_GETWD */
diff --git a/Python/marshal.c b/Python/marshal.c
index e61815c..dcb63d2 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -304,10 +304,8 @@ r_object(p)
case TYPE_FLOAT:
{
- extern double strtod PROTO((const char *, char **));
+ extern double atof PROTO((const char *));
char buf[256];
- double res;
- char *end;
n = r_byte(p);
if (r_string(buf, (int)n, p) != n) {
err_setstr(EOFError,
@@ -315,18 +313,7 @@ r_object(p)
return NULL;
}
buf[n] = '\0';
- errno = 0;
- res = strtod(buf, &end);
- if (*end != '\0') {
- err_setstr(ValueError, "bad float syntax");
- return NULL;
- }
- if (errno != 0) {
- err_setstr(ValueError,
- "float constant too large");
- return NULL;
- }
- return newfloatobject(res);
+ return newfloatobject(atof(buf));
}
case TYPE_STRING:
diff --git a/Python/modsupport.c b/Python/modsupport.c
index beb5c34..826e285 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -28,10 +28,22 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "modsupport.h"
#include "import.h"
+#ifdef MPW /* MPW pushes 'extended' for float and double types with varargs */
+typedef extended va_double;
+#else
+typedef double va_double;
+#endif
+
+
+/* initmodule2() has an additional parameter, 'passthrough', which is
+ passed as 'self' to functions defined in the module. This is used
+ e.g. by dynamically loaded modules on the Mac. */
+
object *
-initmodule(name, methods)
+initmodule2(name, methods, passthrough)
char *name;
struct methodlist *methods;
+ object *passthrough;
{
object *m, *d, *v;
struct methodlist *ml;
@@ -47,7 +59,7 @@ initmodule(name, methods)
fatal("out of mem for method name");
sprintf(namebuf, "%s.%s", name, ml->ml_name);
v = newmethodobject(namebuf, ml->ml_meth,
- (object *)NULL, ml->ml_varargs);
+ (object *)passthrough, ml->ml_varargs);
/* XXX The malloc'ed memory in namebuf is never freed */
if (v == NULL || dictinsert(d, ml->ml_name, v) != 0) {
fprintf(stderr, "initializing module: %s\n", name);
@@ -58,6 +70,16 @@ initmodule(name, methods)
return m;
}
+/* The standard initmodule() passes NULL for 'self' */
+
+object *
+initmodule(name, methods)
+ char *name;
+ struct methodlist *methods;
+{
+ return initmodule2(name, methods, (object *)NULL);
+}
+
/* Helper for mkvalue() to scan the length of a format */
@@ -99,7 +121,6 @@ do_arg(arg, p_format, p_va)
va_list *p_va;
{
char *format = *p_format;
- va_list va = *p_va;
if (arg == NULL)
return 0; /* Incomplete tuple or list */
@@ -112,7 +133,7 @@ do_arg(arg, p_format, p_va)
return 0;
n = gettuplesize(arg);
for (i = 0; i < n; i++) {
- if (!do_arg(gettupleitem(arg, i), &format, &va))
+ if (!do_arg(gettupleitem(arg, i), &format, p_va))
return 0;
}
if (*format++ != ')')
@@ -124,65 +145,67 @@ do_arg(arg, p_format, p_va)
return 0;
case 'b': /* byte -- very short int */ {
- char *p = va_arg(va, char *);
- if (is_intobject(arg))
- *p = getintvalue(arg);
- else
+ char *p = va_arg(*p_va, char *);
+ long ival = getintvalue(arg);
+ if (ival == -1 && err_occurred())
return 0;
+ else
+ *p = ival;
break;
}
case 'h': /* short int */ {
- short *p = va_arg(va, short *);
- if (is_intobject(arg))
- *p = getintvalue(arg);
- else
+ short *p = va_arg(*p_va, short *);
+ long ival = getintvalue(arg);
+ if (ival == -1 && err_occurred())
return 0;
+ else
+ *p = ival;
break;
}
case 'i': /* int */ {
- int *p = va_arg(va, int *);
- if (is_intobject(arg))
- *p = getintvalue(arg);
- else
+ int *p = va_arg(*p_va, int *);
+ long ival = getintvalue(arg);
+ if (ival == -1 && err_occurred())
return 0;
+ else
+ *p = ival;
break;
}
case 'l': /* long int */ {
- long *p = va_arg(va, long *);
- if (is_intobject(arg))
- *p = getintvalue(arg);
- else
+ long *p = va_arg(*p_va, long *);
+ long ival = getintvalue(arg);
+ if (ival == -1 && err_occurred())
return 0;
+ else
+ *p = ival;
break;
}
case 'f': /* float */ {
- float *p = va_arg(va, float *);
- if (is_floatobject(arg))
- *p = getfloatvalue(arg);
- else if (is_intobject(arg))
- *p = (float)getintvalue(arg);
- else
+ float *p = va_arg(*p_va, float *);
+ double dval = getfloatvalue(arg);
+ if (err_occurred())
return 0;
+ else
+ *p = dval;
break;
}
case 'd': /* double */ {
- double *p = va_arg(va, double *);
- if (is_floatobject(arg))
- *p = getfloatvalue(arg);
- else if (is_intobject(arg))
- *p = (double)getintvalue(arg);
- else
+ double *p = va_arg(*p_va, double *);
+ double dval = getfloatvalue(arg);
+ if (err_occurred())
return 0;
+ else
+ *p = dval;
break;
}
case 'c': /* char */ {
- char *p = va_arg(va, char *);
+ char *p = va_arg(*p_va, char *);
if (is_stringobject(arg) && getstringsize(arg) == 1)
*p = getstringvalue(arg)[0];
else
@@ -191,13 +214,13 @@ do_arg(arg, p_format, p_va)
}
case 's': /* string */ {
- char **p = va_arg(va, char **);
+ char **p = va_arg(*p_va, char **);
if (is_stringobject(arg))
*p = getstringvalue(arg);
else
return 0;
if (*format == '#') {
- int *q = va_arg(va, int *);
+ int *q = va_arg(*p_va, int *);
*q = getstringsize(arg);
format++;
}
@@ -209,7 +232,7 @@ do_arg(arg, p_format, p_va)
}
case 'z': /* string, may be NULL (None) */ {
- char **p = va_arg(va, char **);
+ char **p = va_arg(*p_va, char **);
if (arg == None)
*p = 0;
else if (is_stringobject(arg))
@@ -217,7 +240,7 @@ do_arg(arg, p_format, p_va)
else
return 0;
if (*format == '#') {
- int *q = va_arg(va, int *);
+ int *q = va_arg(*p_va, int *);
if (arg == None)
*q = 0;
else
@@ -232,7 +255,7 @@ do_arg(arg, p_format, p_va)
}
case 'S': /* string object */ {
- object **p = va_arg(va, object **);
+ object **p = va_arg(*p_va, object **);
if (is_stringobject(arg))
*p = arg;
else
@@ -241,8 +264,37 @@ do_arg(arg, p_format, p_va)
}
case 'O': /* object */ {
- object **p = va_arg(va, object **);
- *p = arg;
+ typeobject *type;
+ object **p;
+ if (*format == '!') {
+ format++;
+ type = va_arg(*p_va, typeobject*);
+ if (arg->ob_type != type)
+ return 0;
+ else {
+ p = va_arg(*p_va, object **);
+ *p = arg;
+ }
+ }
+ else if (*format == '?') {
+ inquiry pred = va_arg(*p_va, inquiry);
+ format++;
+ if ((*pred)(arg)) {
+ p = va_arg(*p_va, object **);
+ *p = arg;
+ }
+ }
+ else if (*format == '&') {
+ binaryfunc convert = va_arg(*p_va, binaryfunc);
+ void *addr = va_arg(*p_va, void *);
+ format++;
+ if (! (*convert)(arg, addr))
+ return 0;
+ }
+ else {
+ p = va_arg(*p_va, object **);
+ *p = arg;
+ }
break;
}
@@ -253,13 +305,12 @@ do_arg(arg, p_format, p_va)
}
- *p_va = va;
*p_format = format;
return 1;
}
-#ifdef USE_STDARG
+#ifdef HAVE_STDARG_PROTOTYPES
/* VARARGS2 */
int getargs(object *arg, char *format, ...)
#else
@@ -270,7 +321,7 @@ int getargs(va_alist) va_dcl
char *f;
int ok;
va_list va;
-#ifdef USE_STDARG
+#ifdef HAVE_STDARG_PROTOTYPES
va_start(va, format);
#else
@@ -458,7 +509,7 @@ do_mkvalue(p_format, p_va)
case 'f':
case 'd':
- return newfloatobject((double)va_arg(*p_va, double));
+ return newfloatobject((double)va_arg(*p_va, va_double));
case 'c':
{
@@ -517,7 +568,7 @@ do_mkvalue(p_format, p_va)
}
}
-#ifdef USE_STDARG
+#ifdef HAVE_STDARG_PROTOTYPES
/* VARARGS 2 */
object *mkvalue(char *format, ...)
#else
@@ -527,7 +578,7 @@ object *mkvalue(va_alist) va_dcl
{
va_list va;
object* retval;
-#ifdef USE_STDARG
+#ifdef HAVE_STDARG_PROTOTYPES
va_start(va, format);
#else
char *format;
diff --git a/Python/pythonmain.c b/Python/pythonmain.c
index 48ccd38..a41a559 100644
--- a/Python/pythonmain.c
+++ b/Python/pythonmain.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -26,9 +26,9 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "allobjects.h"
-extern int debugging; /* Defined in parser.c */
-extern int verbose; /* Defined in import.c */
-extern int killprint; /* Defined in ceval.c */
+extern int debugging; /* Needed in parser.c, declared in pythonrun.c */
+extern int verbose; /* Needed in import.c, declared in pythonrun.c */
+extern int suppress_print; /* Needed in ceval.c, declared in pythonrun.c */
/* Interface to getopt(): */
extern int optind;
@@ -37,7 +37,11 @@ extern int getopt(); /* PROTO((int, char **, char *)); -- not standardized */
extern char *getenv();
-main(argc, argv)
+extern char *getversion();
+extern char *getcopyright();
+
+int
+realmain(argc, argv)
int argc;
char **argv;
{
@@ -48,19 +52,20 @@ main(argc, argv)
FILE *fp = stdin;
char *p;
int inspect = 0;
+ int unbuffered = 0;
if ((p = getenv("PYTHONDEBUG")) && *p != '\0')
debugging = 1;
+ if ((p = getenv("PYTHONSUPPRESS")) && *p != '\0')
+ suppress_print = 1;
if ((p = getenv("PYTHONVERBOSE")) && *p != '\0')
verbose = 1;
if ((p = getenv("PYTHONINSPECT")) && *p != '\0')
inspect = 1;
- if ((p = getenv("PYTHONKILLPRINT")) && *p != '\0')
- killprint = 1;
-
- initargs(&argc, &argv);
+ if ((p = getenv("PYTHONUNBUFFERED")) && *p != '\0')
+ unbuffered = 1;
- while ((c = getopt(argc, argv, "c:dikv")) != EOF) {
+ while ((c = getopt(argc, argv, "c:disuv")) != EOF) {
if (c == 'c') {
/* -c is the last option; following arguments
that look like options are left for the
@@ -82,8 +87,12 @@ main(argc, argv)
inspect++;
break;
- case 'k':
- killprint++;
+ case 's':
+ suppress_print++;
+ break;
+
+ case 'u':
+ unbuffered++;
break;
case 'v':
@@ -94,16 +103,21 @@ main(argc, argv)
default:
fprintf(stderr,
-"usage: %s [-d] [-i] [-k] [-v] [-c cmd | file | -] [arg] ...\n",
+"usage: %s [-d] [-i] [-s] [-u ] [-v] [-c cmd | file | -] [arg] ...\n",
argv[0]);
fprintf(stderr, "\
\n\
Options and arguments (and corresponding environment variables):\n\
-d : debug output from parser (also PYTHONDEBUG=x)\n\
-i : inspect interactively after running script (also PYTHONINSPECT=x)\n\
--k : kill printing expression statement (also PYTHONKILLPRINT=x)\n\
+-s : suppress the printing of top level expressions (also PYTHONSUPPRESS=x)\n\
+-u : unbuffered stdout and stderr (also PYTHONUNBUFFERED=x)\n\
-v : verbose (trace import statements) (also PYTHONVERBOSE=x)\n\
-c cmd : program passed in as string (terminates option list)\n\
+");
+ /* ANSI does not allow strings > 512 chars
+ and MPW doesn't like it either -- so split it! */
+ fprintf(stderr, "\
file : program read from script file\n\
- : program read from stdin (default; interactive mode if a tty)\n\
arg ...: arguments passed to program in sys.argv[1:]\n\
@@ -118,9 +132,25 @@ PYTHONPATH : colon-separated list of directories prefixed to the\n\
}
}
-
+
+ if (unbuffered) {
+#ifndef MPW
+ setbuf(stdout, (char *)NULL);
+ setbuf(stderr, (char *)NULL);
+#else
+ /* On MPW (3.2) unbuffered seems to hang */
+ setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ);
+ setvbuf(stderr, (char *)NULL, _IOLBF, BUFSIZ);
+#endif
+ }
+
if (command == NULL && optind < argc && strcmp(argv[optind], "-") != 0)
filename = argv[optind];
+
+ if (verbose ||
+ command == NULL && filename == NULL && isatty((int)fileno(fp)))
+ fprintf(stderr, "Python %s\n%s\n",
+ getversion(), getcopyright());
if (filename != NULL) {
if ((fp = fopen(filename, "r")) == NULL) {
@@ -146,15 +176,22 @@ PYTHONPATH : colon-separated list of directories prefixed to the\n\
else {
if (filename == NULL && isatty((int)fileno(fp))) {
char *startup = getenv("PYTHONSTARTUP");
+#ifdef macintosh
+ if (startup == NULL)
+ startup = "PythonStartup";
+#endif
if (startup != NULL && startup[0] != '\0') {
FILE *fp = fopen(startup, "r");
if (fp != NULL) {
(void) run_script(fp, startup);
err_clear();
+ fclose(fp);
}
}
}
sts = run(fp, filename == NULL ? "<stdin>" : filename) != 0;
+ if (filename != NULL)
+ fclose(fp);
}
if (inspect && isatty((int)fileno(stdin)) &&
diff --git a/Python/strerror.c b/Python/strerror.c
index a2f3acf..d5e0e03 100644
--- a/Python/strerror.c
+++ b/Python/strerror.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -41,7 +41,7 @@ strerror(err)
return buf;
}
-#ifdef THINK_C
+#ifdef macintosh
int sys_nerr = 0;
char *sys_errlist[1] = 0;
#endif
diff --git a/Python/structmember.c b/Python/structmember.c
index 6b29c30..784bbf5 100644
--- a/Python/structmember.c
+++ b/Python/structmember.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -144,6 +144,11 @@ setmember(addr, mlist, name, v)
err_setstr(TypeError, "readonly attribute");
return -1;
}
+ if (v == NULL && l->type != T_OBJECT) {
+ err_setstr(TypeError,
+ "can't delete numeric/char attribute");
+ return -1;
+ }
addr += l->offset;
switch (l->type) {
case T_BYTE:
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 2ad8a26..509b819 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -168,16 +168,22 @@ list_builtin_module_names()
addlistitem(list, name);
DECREF(name);
}
+ if (sortlist(list) != 0) {
+ DECREF(list);
+ list = NULL;
+ }
return list;
}
void
initsys()
{
+ extern long getmaxint PROTO((void));
+ extern char *getversion PROTO((void));
+ extern char *getcopyright PROTO((void));
extern int fclose PROTO((FILE *));
- extern char version[];
- object *v = newstringobject(version);
object *m = initmodule("sys", sys_methods);
+ object *v;
sysdict = getmoduledict(m);
INCREF(sysdict);
/* NB keep an extra ref to the std files to avoid closing them
@@ -186,17 +192,21 @@ initsys()
sysout = newopenfileobject(stdout, "<stdout>", "w", fclose);
syserr = newopenfileobject(stderr, "<stderr>", "w", fclose);
if (err_occurred())
- fatal("can't create sys.* objects");
+ fatal("can't initialize sys.std{in,out,err}");
dictinsert(sysdict, "stdin", sysin);
dictinsert(sysdict, "stdout", sysout);
dictinsert(sysdict, "stderr", syserr);
- dictinsert(sysdict, "version", v);
+ dictinsert(sysdict, "version", v = newstringobject(getversion()));
+ XDECREF(v);
+ dictinsert(sysdict, "copyright", v = newstringobject(getcopyright()));
+ XDECREF(v);
+ dictinsert(sysdict, "maxint", v = newintobject(getmaxint()));
+ XDECREF(v);
dictinsert(sysdict, "modules", get_modules());
dictinsert(sysdict, "builtin_module_names",
list_builtin_module_names());
if (err_occurred())
fatal("can't insert sys.* objects in sys dict");
- DECREF(v);
}
static object *
diff --git a/Python/thread.c b/Python/thread.c
index b6c9df7..3ee71aa 100644
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -1,5 +1,5 @@
/***********************************************************
-Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
@@ -22,66 +22,44 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************/
-#include "thread.h"
+/* Thread package.
+ This is intended to be usable independently from Python.
+ The implementation for system foobar is in a file thread_foobar.h
+ which is included by this file dependent on config settings.
+ Stuff shared by all thread_*.h files is collected here. */
-#ifdef DEBUG
-static int thread_debug = 0;
-#define dprintf(args) ((thread_debug & 1) && printf args)
-#define d2printf(args) ((thread_debug & 8) && printf args)
-#else
-#define dprintf(args)
-#define d2printf(args)
+#ifdef HAVE_CONFIG_H
+#include "config.h"
#endif
-#ifdef __sgi
-#include <stdlib.h>
#include <stdio.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/prctl.h>
-#include <ulocks.h>
-#include <errno.h>
-#define HDR_SIZE 2680 /* sizeof(ushdr_t) */
-#define MAXPROC 100 /* max # of threads that can be started */
-
-static usptr_t *shared_arena;
-static ulock_t count_lock; /* protection for some variables */
-static ulock_t wait_lock; /* lock used to wait for other threads */
-static int waiting_for_threads; /* protected by count_lock */
-static int nthreads; /* protected by count_lock */
-static int exit_status;
-static int do_exit; /* indicates that the program is to exit */
-static int exiting; /* we're already exiting (for maybe_exit) */
-static pid_t my_pid; /* PID of main thread */
-static pid_t pidlist[MAXPROC]; /* PIDs of other threads */
-static int maxpidindex; /* # of PIDs in pidlist */
-#endif /* __sgi */
-#ifdef SOLARIS
+#ifdef HAVE_STDLIB_H
#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include </usr/include/thread.h>
-#undef sun
+#else
+extern char *getenv();
#endif
-#ifdef sun
-#include <lwp/lwp.h>
-#include <lwp/stackdep.h>
-#define STACKSIZE 1000 /* stacksize for a thread */
-#define NSTACKS 2 /* # stacks to be put in cache initialy */
+#include "thread.h"
+
+#ifdef __ksr__
+#define _POSIX_THREADS
+#endif
+
+#ifndef _POSIX_THREADS
+
+#ifdef __sgi
+#define SGI_THREADS
+#endif
+
+#ifdef HAVE_THREAD_H
+#define SOLARIS_THREADS
+#endif
+
+#if defined(sun) && !defined(SOLARIS_THREADS)
+#define SUN_LWP
+#endif
-struct lock {
- int lock_locked;
- cv_t lock_condvar;
- mon_t lock_monitor;
-};
-#endif /* sun */
-#ifdef C_THREADS
-#include <cthreads.h>
-#endif /* C_THREADS */
-#ifdef _POSIX_THREADS
-#include <pthread.h>
#endif /* _POSIX_THREADS */
#ifdef __STDC__
@@ -96,58 +74,21 @@ struct lock {
#define _P2(v1,t1,v2,t2) (v1,v2) t1; t2;
#endif /* __STDC__ */
-static int initialized;
-
-#ifdef __sgi
-/*
- * This routine is called as a signal handler when another thread
- * exits. When that happens, we must see whether we have to exit as
- * well (because of an exit_prog()) or whether we should continue on.
- */
-static void exit_sig _P0()
-{
- d2printf(("exit_sig called\n"));
- if (exiting && getpid() == my_pid) {
- d2printf(("already exiting\n"));
- return;
- }
- if (do_exit) {
- d2printf(("exiting in exit_sig\n"));
#ifdef DEBUG
- if ((thread_debug & 8) == 0)
- thread_debug &= ~1; /* don't produce debug messages */
+static int thread_debug = 0;
+#define dprintf(args) ((thread_debug & 1) && printf args)
+#define d2printf(args) ((thread_debug & 8) && printf args)
+#else
+#define dprintf(args)
+#define d2printf(args)
#endif
- exit_thread();
- }
-}
-/*
- * This routine is called when a process calls exit(). If that wasn't
- * done from the library, we do as if an exit_prog() was intended.
- */
-static void maybe_exit _P0()
-{
- dprintf(("maybe_exit called\n"));
- if (exiting) {
- dprintf(("already exiting\n"));
- return;
- }
- exit_prog(0);
-}
-#endif /* __sgi */
+static int initialized;
+
+static void _init_thread(); /* Forward */
-/*
- * Initialization.
- */
void init_thread _P0()
{
-#ifdef __sgi
- struct sigaction s;
-#ifdef USE_DL
- long addr, size;
-#endif /* USE_DL */
-#endif /* __sgi */
-
#ifdef DEBUG
char *p = getenv("THREADDEBUG");
@@ -162,465 +103,31 @@ void init_thread _P0()
return;
initialized = 1;
dprintf(("init_thread called\n"));
-
-#ifdef __sgi
-#ifdef USE_DL
- if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
- perror("usconfig - CONF_INITSIZE (check)");
- if (usconfig(CONF_INITSIZE, size) < 0)
- perror("usconfig - CONF_INITSIZE (reset)");
- addr = (long) dl_getrange(size + HDR_SIZE);
- dprintf(("trying to use addr %lx-%lx for shared arena\n", addr, addr+size));
- errno = 0;
- if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
- perror("usconfig - CONF_ATTACHADDR (set)");
-#endif /* USE_DL */
- if (usconfig(CONF_INITUSERS, 16) < 0)
- perror("usconfig - CONF_INITUSERS");
- my_pid = getpid(); /* so that we know which is the main thread */
- atexit(maybe_exit);
- s.sa_handler = exit_sig;
- sigemptyset(&s.sa_mask);
- /*sigaddset(&s.sa_mask, SIGUSR1);*/
- s.sa_flags = 0;
- sigaction(SIGUSR1, &s, 0);
- if (prctl(PR_SETEXITSIG, SIGUSR1) < 0)
- perror("prctl - PR_SETEXITSIG");
- if (usconfig(CONF_ARENATYPE, US_SHAREDONLY) < 0)
- perror("usconfig - CONF_ARENATYPE");
-#ifdef DEBUG
- if (thread_debug & 4)
- usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);
- else if (thread_debug & 2)
- usconfig(CONF_LOCKTYPE, US_DEBUG);
-#endif /* DEBUG */
- if ((shared_arena = usinit(tmpnam(0))) == 0)
- perror("usinit");
-#ifdef USE_DL
- if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
- perror("usconfig - CONF_ATTACHADDR (reset)");
-#endif /* USE_DL */
- if ((count_lock = usnewlock(shared_arena)) == NULL)
- perror("usnewlock (count_lock)");
- (void) usinitlock(count_lock);
- if ((wait_lock = usnewlock(shared_arena)) == NULL)
- perror("usnewlock (wait_lock)");
- dprintf(("arena start: %lx, arena size: %ld\n", (long) shared_arena, (long) usconfig(CONF_GETSIZE, shared_arena)));
-#endif /* __sgi */
-#ifdef SOLARIS
- /* nothing */
-#endif
-#ifdef sun
- lwp_setstkcache(STACKSIZE, NSTACKS);
-#endif /* sun */
-#ifdef C_THREADS
- cthread_init();
-#endif /* C_THREADS */
+ _init_thread();
}
-/*
- * Thread support.
- */
-#ifdef SOLARIS
-struct func_arg {
- void (*func) _P((void *));
- void *arg;
-};
-
-static void *new_func _P1(funcarg, void *funcarg)
-{
- void (*func) _P((void *));
- void *arg;
-
- func = ((struct func_arg *) funcarg)->func;
- arg = ((struct func_arg *) funcarg)->arg;
- free(funcarg);
- (*func)(arg);
- return 0;
-}
-#endif /* SOLARIS */
-
-int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
-{
-#ifdef SOLARIS
- struct func_arg *funcarg;
-#endif
-#ifdef sun
- thread_t tid;
-#endif /* sun */
-#if defined(__sgi) && defined(USE_DL)
- long addr, size;
- static int local_initialized = 0;
-#endif /* __sgi and USE_DL */
-#ifdef _POSIX_THREADS
- pthread_t th;
+#ifdef SGI_THREADS
+#include "thread_sgi.h"
#endif
- int success = 0; /* init not needed when SOLARIS and */
- /* C_THREADS implemented properly */
- dprintf(("start_new_thread called\n"));
- if (!initialized)
- init_thread();
-#ifdef __sgi
- switch (ussetlock(count_lock)) {
- case 0: return 0;
- case -1: perror("ussetlock (count_lock)");
- }
- if (maxpidindex >= MAXPROC)
- success = -1;
- else {
-#ifdef USE_DL
- if (!local_initialized) {
- if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
- perror("usconfig - CONF_INITSIZE (check)");
- if (usconfig(CONF_INITSIZE, size) < 0)
- perror("usconfig - CONF_INITSIZE (reset)");
- addr = (long) dl_getrange(size + HDR_SIZE);
- dprintf(("trying to use addr %lx-%lx for sproc\n", addr, addr+size));
- errno = 0;
- if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
- perror("usconfig - CONF_ATTACHADDR (set)");
- }
-#endif /* USE_DL */
- if ((success = sproc(func, PR_SALL, arg)) < 0)
- perror("sproc");
-#ifdef USE_DL
- if (!local_initialized) {
- if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
- perror("usconfig - CONF_ATTACHADDR (reset)");
- local_initialized = 1;
- }
-#endif /* USE_DL */
- if (success >= 0) {
- nthreads++;
- pidlist[maxpidindex++] = success;
- }
- }
- if (usunsetlock(count_lock) < 0)
- perror("usunsetlock (count_lock)");
-#endif /* __sgi */
-#ifdef SOLARIS
- funcarg = (struct func_arg *) malloc(sizeof(struct func_arg));
- funcarg->func = func;
- funcarg->arg = arg;
- if (thr_create(0, 0, new_func, funcarg, THR_NEW_LWP, 0)) {
- perror("thr_create");
- free((void *) funcarg);
- success = -1;
- }
-#endif /* SOLARIS */
-#ifdef sun
- success = lwp_create(&tid, func, MINPRIO, 0, lwp_newstk(), 1, arg);
-#endif /* sun */
-#ifdef C_THREADS
- (void) cthread_fork(func, arg);
-#endif /* C_THREADS */
-#ifdef _POSIX_THREADS
- pthread_create(&th, NULL, func, arg);
+#ifdef SOLARIS_THREADS
+#include "thread_solaris.h"
#endif
- return success < 0 ? 0 : 1;
-}
-static void do_exit_thread _P1(no_cleanup, int no_cleanup)
-{
- dprintf(("exit_thread called\n"));
- if (!initialized)
- if (no_cleanup)
- _exit(0);
- else
- exit(0);
-#ifdef __sgi
- if (ussetlock(count_lock) < 0)
- perror("ussetlock (count_lock)");
- nthreads--;
- if (getpid() == my_pid) {
- /* main thread; wait for other threads to exit */
- exiting = 1;
- if (do_exit) {
- int i;
-
- /* notify other threads */
- if (nthreads >= 0) {
- dprintf(("kill other threads\n"));
- for (i = 0; i < maxpidindex; i++)
- (void) kill(pidlist[i], SIGKILL);
- _exit(exit_status);
- }
- }
- waiting_for_threads = 1;
- if (ussetlock(wait_lock) < 0)
- perror("ussetlock (wait_lock)");
- for (;;) {
- if (nthreads < 0) {
- dprintf(("really exit (%d)\n", exit_status));
- if (no_cleanup)
- _exit(exit_status);
- else
- exit(exit_status);
- }
- if (usunsetlock(count_lock) < 0)
- perror("usunsetlock (count_lock)");
- dprintf(("waiting for other threads (%d)\n", nthreads));
- if (ussetlock(wait_lock) < 0)
- perror("ussetlock (wait_lock)");
- if (ussetlock(count_lock) < 0)
- perror("ussetlock (count_lock)");
- }
- }
- /* not the main thread */
- if (waiting_for_threads) {
- dprintf(("main thread is waiting\n"));
- if (usunsetlock(wait_lock) < 0)
- perror("usunsetlock (wait_lock)");
- } else if (do_exit)
- (void) kill(my_pid, SIGUSR1);
- if (usunsetlock(count_lock) < 0)
- perror("usunsetlock (count_lock)");
- _exit(0);
-#endif /* __sgi */
-#ifdef SOLARIS
- thr_exit(0);
-#endif /* SOLARIS */
-#ifdef sun
- lwp_destroy(SELF);
-#endif /* sun */
-#ifdef C_THREADS
- cthread_exit(0);
-#endif /* C_THREADS */
-}
-
-void exit_thread _P0()
-{
- do_exit_thread(0);
-}
-
-void _exit_thread _P0()
-{
- do_exit_thread(1);
-}
-
-static void do_exit_prog _P2(status, int status, no_cleanup, int no_cleanup)
-{
- dprintf(("exit_prog(%d) called\n", status));
- if (!initialized)
- if (no_cleanup)
- _exit(status);
- else
- exit(status);
-#ifdef __sgi
- do_exit = 1;
- exit_status = status;
- do_exit_thread(no_cleanup);
-#endif
-#ifdef SOLARIS
- if (no_cleanup)
- _exit(status);
- else
- exit(status);
+#ifdef SUN_LWP
+#include "thread_lwp.h"
#endif
-#ifdef sun
- pod_exit(status);
-#endif
-}
-void exit_prog _P1(status, int status)
-{
- do_exit_prog(status, 0);
-}
-
-void _exit_prog _P1(status, int status)
-{
- do_exit_prog(status, 1);
-}
-
-/*
- * Lock support.
- */
-type_lock allocate_lock _P0()
-{
-#ifdef __sgi
- ulock_t lock;
-#endif
-#ifdef SOLARIS
- mutex_t *lock;
-#endif
-#ifdef sun
- struct lock *lock;
- extern char *malloc();
+#ifdef _POSIX_THREADS
+#include "thread_pthread.h"
#endif
- dprintf(("allocate_lock called\n"));
- if (!initialized)
- init_thread();
-
-#ifdef __sgi
- if ((lock = usnewlock(shared_arena)) == NULL)
- perror("usnewlock");
- (void) usinitlock(lock);
-#endif /* __sgi */
-#ifdef SOLARIS
- lock = (mutex_t *) malloc(sizeof(mutex_t));
- if (mutex_init(lock, USYNC_THREAD, 0)) {
- perror("mutex_init");
- free((void *) lock);
- lock = 0;
- }
-#endif /* SOLARIS */
-#ifdef sun
- lock = (struct lock *) malloc(sizeof(struct lock));
- lock->lock_locked = 0;
- (void) mon_create(&lock->lock_monitor);
- (void) cv_create(&lock->lock_condvar, lock->lock_monitor);
-#endif /* sun */
- dprintf(("allocate_lock() -> %lx\n", (long)lock));
- return (type_lock) lock;
-}
-
-void free_lock _P1(lock, type_lock lock)
-{
- dprintf(("free_lock(%lx) called\n", (long)lock));
-#ifdef __sgi
- usfreelock((ulock_t) lock, shared_arena);
-#endif /* __sgi */
-#ifdef SOLARIS
- mutex_destroy((mutex_t *) lock);
- free((void *) lock);
+#ifdef C_THREADS
+#include "thread_cthread.h"
#endif
-#ifdef sun
- mon_destroy(((struct lock *) lock)->lock_monitor);
- free((char *) lock);
-#endif /* sun */
-}
-
-int acquire_lock _P2(lock, type_lock lock, waitflag, int waitflag)
-{
- int success;
-
- dprintf(("acquire_lock(%lx, %d) called\n", (long)lock, waitflag));
-#ifdef __sgi
- errno = 0; /* clear it just in case */
- if (waitflag)
- success = ussetlock((ulock_t) lock);
- else
- success = uscsetlock((ulock_t) lock, 1); /* Try it once */
- if (success < 0)
- perror(waitflag ? "ussetlock" : "uscsetlock");
-#endif /* __sgi */
-#ifdef SOLARIS
- if (waitflag)
- success = mutex_lock((mutex_t *) lock);
- else
- success = mutex_trylock((mutex_t *) lock);
- if (success < 0)
- perror(waitflag ? "mutex_lock" : "mutex_trylock");
- else
- success = !success; /* solaris does it the other way round */
-#endif /* SOLARIS */
-#ifdef sun
- success = 0;
-
- (void) mon_enter(((struct lock *) lock)->lock_monitor);
- if (waitflag)
- while (((struct lock *) lock)->lock_locked)
- cv_wait(((struct lock *) lock)->lock_condvar);
- if (!((struct lock *) lock)->lock_locked) {
- success = 1;
- ((struct lock *) lock)->lock_locked = 1;
- }
- cv_broadcast(((struct lock *) lock)->lock_condvar);
- mon_exit(((struct lock *) lock)->lock_monitor);
-#endif /* sun */
- dprintf(("acquire_lock(%lx, %d) -> %d\n", (long)lock, waitflag, success));
- return success;
-}
-
-void release_lock _P1(lock, type_lock lock)
-{
- dprintf(("release_lock(%lx) called\n", (long)lock));
-#ifdef __sgi
- if (usunsetlock((ulock_t) lock) < 0)
- perror("usunsetlock");
-#endif /* __sgi */
-#ifdef SOLARIS
- if (mutex_unlock((mutex_t *) lock))
- perror("mutex_unlock");
-#endif /* SOLARIS */
-#ifdef sun
- (void) mon_enter(((struct lock *) lock)->lock_monitor);
- ((struct lock *) lock)->lock_locked = 0;
- cv_broadcast(((struct lock *) lock)->lock_condvar);
- mon_exit(((struct lock *) lock)->lock_monitor);
-#endif /* sun */
-}
/*
- * Semaphore support.
- */
-type_sema allocate_sema _P1(value, int value)
-{
-#ifdef __sgi
- usema_t *sema;
-#endif /* __sgi */
-#ifdef SOLARIS
- sema_t *sema;
-#endif
-
- dprintf(("allocate_sema called\n"));
- if (!initialized)
- init_thread();
-
-#ifdef __sgi
- if ((sema = usnewsema(shared_arena, value)) == NULL)
- perror("usnewsema");
-#endif /* __sgi */
-#ifdef SOLARIS
- sema = (sema_t *) malloc(sizeof(sema_t));
- if (sema_init(sema, value, USYNC_THREAD, 0)) {
- perror("sema_init");
- free((void *) sema);
- sema = 0;
- }
-#endif /* SOLARIS */
- dprintf(("allocate_sema() -> %lx\n", (long) sema));
- return (type_sema) sema;
-}
-
-void free_sema _P1(sema, type_sema sema)
-{
- dprintf(("free_sema(%lx) called\n", (long) sema));
-#ifdef __sgi
- usfreesema((usema_t *) sema, shared_arena);
-#endif /* __sgi */
-#ifdef SOLARIS
- if (sema_destroy((sema_t *) sema))
- perror("sema_destroy");
- free((void *) sema);
-#endif /* SOLARIS */
-}
-
-void down_sema _P1(sema, type_sema sema)
-{
- dprintf(("down_sema(%lx) called\n", (long) sema));
-#ifdef __sgi
- if (uspsema((usema_t *) sema) < 0)
- perror("uspsema");
-#endif
-#ifdef SOLARIS
- if (sema_wait((sema_t *) sema))
- perror("sema_wait");
+#ifdef FOOBAR_THREADS
+#include "thread_foobar.h"
#endif
- dprintf(("down_sema(%lx) return\n", (long) sema));
-}
-
-void up_sema _P1(sema, type_sema sema)
-{
- dprintf(("up_sema(%lx)\n", (long) sema));
-#ifdef __sgi
- if (usvsema((usema_t *) sema) < 0)
- perror("usvsema");
-#endif /* __sgi */
-#ifdef SOLARIS
- if (sema_post((sema_t *) sema))
- perror("sema_post");
-#endif
-}
+*/
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