9 |
|
#define FBSIZE 72 /* size of malloc call */ |
10 |
|
|
11 |
|
|
12 |
– |
|
13 |
– |
|
14 |
– |
|
12 |
|
#include "meta.h" |
13 |
+ |
#include "rtio.h" |
14 |
|
|
15 |
|
|
18 |
– |
|
19 |
– |
|
20 |
– |
|
16 |
|
extern int maxalloc; /* number of prims to allocate */ |
22 |
– |
|
17 |
|
int nalloc = 0; /* number allocated so far */ |
18 |
|
|
25 |
– |
|
26 |
– |
|
19 |
|
static PLIST freelist = {NULL, NULL}; |
20 |
|
|
21 |
|
|
22 |
+ |
static int morefree(void); |
23 |
|
|
24 |
|
|
25 |
|
PRIMITIVE * |
26 |
< |
palloc() /* allocate a primitive */ |
26 |
> |
palloc(void) /* allocate a primitive */ |
27 |
|
|
28 |
|
{ |
29 |
< |
register PRIMITIVE *p; |
29 |
> |
register PRIMITIVE *p; |
30 |
|
|
31 |
< |
if (maxalloc > 0 && nalloc >= maxalloc) |
32 |
< |
return(NULL); |
31 |
> |
if (maxalloc > 0 && nalloc >= maxalloc) |
32 |
> |
return(NULL); |
33 |
|
|
34 |
< |
if ((p = pop(&freelist)) == NULL) |
35 |
< |
if (morefree()) |
36 |
< |
p = pop(&freelist); |
37 |
< |
else { |
38 |
< |
sprintf(errmsg, "out of memory in palloc (nalloc = %d)", nalloc); |
39 |
< |
error(SYSTEM, errmsg); |
40 |
< |
} |
34 |
> |
if ((p = pop(&freelist)) == NULL) { |
35 |
> |
if (morefree()) |
36 |
> |
p = pop(&freelist); |
37 |
> |
else { |
38 |
> |
sprintf(errmsg, "out of memory in palloc (nalloc = %d)", nalloc); |
39 |
> |
error(SYSTEM, errmsg); |
40 |
> |
} |
41 |
> |
} |
42 |
|
|
43 |
< |
nalloc++; |
44 |
< |
return(p); |
45 |
< |
} |
43 |
> |
nalloc++; |
44 |
> |
return(p); |
45 |
> |
} |
46 |
|
|
47 |
|
|
48 |
|
|
49 |
< |
|
50 |
< |
|
51 |
< |
pfree(p) /* free a primitive */ |
52 |
< |
|
59 |
< |
register PRIMITIVE *p; |
60 |
< |
|
49 |
> |
void |
50 |
> |
pfree( /* free a primitive */ |
51 |
> |
register PRIMITIVE *p |
52 |
> |
) |
53 |
|
{ |
54 |
|
|
55 |
|
if (p->args != NULL) { |
63 |
|
|
64 |
|
|
65 |
|
|
66 |
< |
|
67 |
< |
plfree(pl) /* free a primitive list */ |
68 |
< |
|
69 |
< |
register PLIST *pl; |
78 |
< |
|
66 |
> |
void |
67 |
> |
plfree( /* free a primitive list */ |
68 |
> |
register PLIST *pl |
69 |
> |
) |
70 |
|
{ |
71 |
|
register PRIMITIVE *p; |
72 |
|
|
85 |
|
|
86 |
|
|
87 |
|
|
97 |
– |
|
98 |
– |
|
88 |
|
static int |
89 |
< |
morefree() /* get more free space */ |
89 |
> |
morefree(void) /* get more free space */ |
90 |
|
|
91 |
|
{ |
92 |
|
register PRIMITIVE *p; |