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Add {,r,s,d}allocm().

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Add allocm(), rallocm(), sallocm(), and dallocm(), which are a
functional superset of malloc(), calloc(), posix_memalign(),
malloc_usable_size(), and free().
This commit is contained in:
Jason Evans
2010-09-17 15:46:18 -07:00
parent 4cc6a60a4f
commit 8e3c3c61b5
17 changed files with 892 additions and 124 deletions
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133
jemalloc/test/allocm.c Normal file
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@@ -0,0 +1,133 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define JEMALLOC_MANGLE
#include "jemalloc/jemalloc.h"
#define CHUNK 0x400000
/* #define MAXALIGN ((size_t)0x80000000000LLU) */
#define MAXALIGN ((size_t)0x2000000LLU)
#define NITER 4
int
main(void)
{
int r;
void *p;
size_t sz, alignment, total, tsz;
unsigned i;
void *ps[NITER];
fprintf(stderr, "Test begin\n");
sz = 0;
r = JEMALLOC_P(allocm)(&p, &sz, 42, 0);
if (r != ALLOCM_SUCCESS) {
fprintf(stderr, "Unexpected allocm() error\n");
abort();
}
if (sz < 42)
fprintf(stderr, "Real size smaller than expected\n");
if (JEMALLOC_P(dallocm)(p, 0) != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected dallocm() error\n");
r = JEMALLOC_P(allocm)(&p, NULL, 42, 0);
if (r != ALLOCM_SUCCESS) {
fprintf(stderr, "Unexpected allocm() error\n");
abort();
}
if (JEMALLOC_P(dallocm)(p, 0) != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected dallocm() error\n");
r = JEMALLOC_P(allocm)(&p, NULL, 42, ALLOCM_ZERO);
if (r != ALLOCM_SUCCESS) {
fprintf(stderr, "Unexpected allocm() error\n");
abort();
}
if (JEMALLOC_P(dallocm)(p, 0) != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected dallocm() error\n");
#if LG_SIZEOF_PTR == 3
alignment = 0x8000000000000000LLU;
sz = 0x8000000000000000LLU;
#else
alignment = 0x80000000LU;
sz = 0x80000000LU;
#endif
r = JEMALLOC_P(allocm)(&p, NULL, sz, ALLOCM_ALIGN(alignment));
if (r == ALLOCM_SUCCESS) {
fprintf(stderr,
"Expected error for allocm(&p, %zu, 0x%x)\n",
sz, ALLOCM_ALIGN(alignment));
}
#if LG_SIZEOF_PTR == 3
alignment = 0x4000000000000000LLU;
sz = 0x8400000000000001LLU;
#else
alignment = 0x40000000LU;
sz = 0x84000001LU;
#endif
r = JEMALLOC_P(allocm)(&p, NULL, sz, ALLOCM_ALIGN(alignment));
if (r == ALLOCM_SUCCESS) {
fprintf(stderr,
"Expected error for allocm(&p, %zu, 0x%x)\n",
sz, ALLOCM_ALIGN(alignment));
}
alignment = 0x10LLU;
#if LG_SIZEOF_PTR == 3
sz = 0xfffffffffffffff0LLU;
#else
sz = 0xfffffff0LU;
#endif
r = JEMALLOC_P(allocm)(&p, NULL, sz, ALLOCM_ALIGN(alignment));
if (r == ALLOCM_SUCCESS) {
fprintf(stderr,
"Expected error for allocm(&p, %zu, 0x%x)\n",
sz, ALLOCM_ALIGN(alignment));
}
for (i = 0; i < NITER; i++)
ps[i] = NULL;
for (alignment = 8;
alignment <= MAXALIGN;
alignment <<= 1) {
total = 0;
fprintf(stderr, "Alignment: %zu\n", alignment);
for (sz = 1;
sz < 3 * alignment && sz < (1U << 31);
sz += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
for (i = 0; i < NITER; i++) {
r = JEMALLOC_P(allocm)(&ps[i], NULL, sz,
ALLOCM_ALIGN(alignment) | ALLOCM_ZERO);
if (r != ALLOCM_SUCCESS) {
fprintf(stderr,
"Error for size %zu (0x%zx): %d\n",
sz, sz, r);
exit(1);
}
if ((uintptr_t)p & (alignment-1)) {
fprintf(stderr,
"%p inadequately aligned for"
" alignment: %zu\n", p, alignment);
}
JEMALLOC_P(sallocm)(ps[i], &tsz, 0);
total += tsz;
if (total >= (MAXALIGN << 1))
break;
}
for (i = 0; i < NITER; i++) {
if (ps[i] != NULL) {
JEMALLOC_P(dallocm)(ps[i], 0);
ps[i] = NULL;
}
}
}
}
fprintf(stderr, "Test end\n");
return (0);
}

25
jemalloc/test/allocm.exp Normal file
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@@ -0,0 +1,25 @@
Test begin
Alignment: 8
Alignment: 16
Alignment: 32
Alignment: 64
Alignment: 128
Alignment: 256
Alignment: 512
Alignment: 1024
Alignment: 2048
Alignment: 4096
Alignment: 8192
Alignment: 16384
Alignment: 32768
Alignment: 65536
Alignment: 131072
Alignment: 262144
Alignment: 524288
Alignment: 1048576
Alignment: 2097152
Alignment: 4194304
Alignment: 8388608
Alignment: 16777216
Alignment: 33554432
Test end

5
jemalloc/test/posix_memalign.c
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@@ -7,7 +7,7 @@
#define JEMALLOC_MANGLE
#include "jemalloc/jemalloc.h"
#define CHUNK 0x100000
#define CHUNK 0x400000
/* #define MAXALIGN ((size_t)0x80000000000LLU) */
#define MAXALIGN ((size_t)0x2000000LLU)
#define NITER 4
@@ -117,6 +117,5 @@ main(void)
}
fprintf(stderr, "Test end\n");
return 0;
return (0);
}

117
jemalloc/test/rallocm.c Normal file
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@@ -0,0 +1,117 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define JEMALLOC_MANGLE
#include "jemalloc/jemalloc.h"
int
main(void)
{
void *p, *q;
size_t sz, tsz;
int r;
fprintf(stderr, "Test begin\n");
r = allocm(&p, &sz, 42, 0);
if (r != ALLOCM_SUCCESS) {
fprintf(stderr, "Unexpected allocm() error\n");
abort();
}
q = p;
r = rallocm(&q, &tsz, sz, 0, ALLOCM_NO_MOVE);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (q != p)
fprintf(stderr, "Unexpected object move\n");
if (tsz != sz) {
fprintf(stderr, "Unexpected size change: %zu --> %zu\n",
sz, tsz);
}
q = p;
r = rallocm(&q, &tsz, sz, 5, ALLOCM_NO_MOVE);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (q != p)
fprintf(stderr, "Unexpected object move\n");
if (tsz != sz) {
fprintf(stderr, "Unexpected size change: %zu --> %zu\n",
sz, tsz);
}
q = p;
r = rallocm(&q, &tsz, sz + 5, 0, ALLOCM_NO_MOVE);
if (r != ALLOCM_ERR_NOT_MOVED)
fprintf(stderr, "Unexpected rallocm() result\n");
if (q != p)
fprintf(stderr, "Unexpected object move\n");
if (tsz != sz) {
fprintf(stderr, "Unexpected size change: %zu --> %zu\n",
sz, tsz);
}
q = p;
r = rallocm(&q, &tsz, sz + 5, 0, 0);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (q == p)
fprintf(stderr, "Expected object move\n");
if (tsz == sz) {
fprintf(stderr, "Expected size change: %zu --> %zu\n",
sz, tsz);
}
p = q;
sz = tsz;
r = rallocm(&q, &tsz, 8192, 0, 0);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (q == p)
fprintf(stderr, "Expected object move\n");
if (tsz == sz) {
fprintf(stderr, "Expected size change: %zu --> %zu\n",
sz, tsz);
}
p = q;
sz = tsz;
r = rallocm(&q, &tsz, 16384, 0, 0);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (tsz == sz) {
fprintf(stderr, "Expected size change: %zu --> %zu\n",
sz, tsz);
}
p = q;
sz = tsz;
r = rallocm(&q, &tsz, 8192, 0, ALLOCM_NO_MOVE);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (q != p)
fprintf(stderr, "Unexpected object move\n");
if (tsz == sz) {
fprintf(stderr, "Expected size change: %zu --> %zu\n",
sz, tsz);
}
sz = tsz;
r = rallocm(&q, &tsz, 16384, 0, ALLOCM_NO_MOVE);
if (r != ALLOCM_SUCCESS)
fprintf(stderr, "Unexpected rallocm() error\n");
if (q != p)
fprintf(stderr, "Unexpected object move\n");
if (tsz == sz) {
fprintf(stderr, "Expected size change: %zu --> %zu\n",
sz, tsz);
}
sz = tsz;
dallocm(p, 0);
fprintf(stderr, "Test end\n");
return (0);
}

2
jemalloc/test/rallocm.exp Normal file
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@@ -0,0 +1,2 @@
Test begin
Test end