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Diffstat (limited to 'examples/redis-unstable/deps/jemalloc/test/integration/rallocx.c')
-rw-r--r--examples/redis-unstable/deps/jemalloc/test/integration/rallocx.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/examples/redis-unstable/deps/jemalloc/test/integration/rallocx.c b/examples/redis-unstable/deps/jemalloc/test/integration/rallocx.c
deleted file mode 100644
index 68b8f38..0000000
--- a/examples/redis-unstable/deps/jemalloc/test/integration/rallocx.c
+++ /dev/null
@@ -1,308 +0,0 @@
-#include "test/jemalloc_test.h"
-
-static unsigned
-get_nsizes_impl(const char *cmd) {
- unsigned ret;
- size_t z;
-
- z = sizeof(unsigned);
- expect_d_eq(mallctl(cmd, (void *)&ret, &z, NULL, 0), 0,
- "Unexpected mallctl(\"%s\", ...) failure", cmd);
-
- return ret;
-}
-
-static unsigned
-get_nlarge(void) {
- return get_nsizes_impl("arenas.nlextents");
-}
-
-static size_t
-get_size_impl(const char *cmd, size_t ind) {
- size_t ret;
- size_t z;
- size_t mib[4];
- size_t miblen = 4;
-
- z = sizeof(size_t);
- expect_d_eq(mallctlnametomib(cmd, mib, &miblen),
- 0, "Unexpected mallctlnametomib(\"%s\", ...) failure", cmd);
- mib[2] = ind;
- z = sizeof(size_t);
- expect_d_eq(mallctlbymib(mib, miblen, (void *)&ret, &z, NULL, 0),
- 0, "Unexpected mallctlbymib([\"%s\", %zu], ...) failure", cmd, ind);
-
- return ret;
-}
-
-static size_t
-get_large_size(size_t ind) {
- return get_size_impl("arenas.lextent.0.size", ind);
-}
-
-TEST_BEGIN(test_grow_and_shrink) {
- /*
- * Use volatile to workaround buffer overflow false positives
- * (-D_FORTIFY_SOURCE=3).
- */
- void *volatile p, *volatile q;
- size_t tsz;
-#define NCYCLES 3
- unsigned i, j;
-#define NSZS 1024
- size_t szs[NSZS];
-#define MAXSZ ZU(12 * 1024 * 1024)
-
- p = mallocx(1, 0);
- expect_ptr_not_null(p, "Unexpected mallocx() error");
- szs[0] = sallocx(p, 0);
-
- for (i = 0; i < NCYCLES; i++) {
- for (j = 1; j < NSZS && szs[j-1] < MAXSZ; j++) {
- q = rallocx(p, szs[j-1]+1, 0);
- expect_ptr_not_null(q,
- "Unexpected rallocx() error for size=%zu-->%zu",
- szs[j-1], szs[j-1]+1);
- szs[j] = sallocx(q, 0);
- expect_zu_ne(szs[j], szs[j-1]+1,
- "Expected size to be at least: %zu", szs[j-1]+1);
- p = q;
- }
-
- for (j--; j > 0; j--) {
- q = rallocx(p, szs[j-1], 0);
- expect_ptr_not_null(q,
- "Unexpected rallocx() error for size=%zu-->%zu",
- szs[j], szs[j-1]);
- tsz = sallocx(q, 0);
- expect_zu_eq(tsz, szs[j-1],
- "Expected size=%zu, got size=%zu", szs[j-1], tsz);
- p = q;
- }
- }
-
- dallocx(p, 0);
-#undef MAXSZ
-#undef NSZS
-#undef NCYCLES
-}
-TEST_END
-
-static bool
-validate_fill(void *p, uint8_t c, size_t offset, size_t len) {
- bool ret = false;
- /*
- * Use volatile to workaround buffer overflow false positives
- * (-D_FORTIFY_SOURCE=3).
- */
- uint8_t *volatile buf = (uint8_t *)p;
- size_t i;
-
- for (i = 0; i < len; i++) {
- uint8_t b = buf[offset+i];
- if (b != c) {
- test_fail("Allocation at %p (len=%zu) contains %#x "
- "rather than %#x at offset %zu", p, len, b, c,
- offset+i);
- ret = true;
- }
- }
-
- return ret;
-}
-
-TEST_BEGIN(test_zero) {
- /*
- * Use volatile to workaround buffer overflow false positives
- * (-D_FORTIFY_SOURCE=3).
- */
- void *volatile p, *volatile q;
- size_t psz, qsz, i, j;
- size_t start_sizes[] = {1, 3*1024, 63*1024, 4095*1024};
-#define FILL_BYTE 0xaaU
-#define RANGE 2048
-
- for (i = 0; i < sizeof(start_sizes)/sizeof(size_t); i++) {
- size_t start_size = start_sizes[i];
- p = mallocx(start_size, MALLOCX_ZERO);
- expect_ptr_not_null(p, "Unexpected mallocx() error");
- psz = sallocx(p, 0);
-
- expect_false(validate_fill(p, 0, 0, psz),
- "Expected zeroed memory");
- memset(p, FILL_BYTE, psz);
- expect_false(validate_fill(p, FILL_BYTE, 0, psz),
- "Expected filled memory");
-
- for (j = 1; j < RANGE; j++) {
- q = rallocx(p, start_size+j, MALLOCX_ZERO);
- expect_ptr_not_null(q, "Unexpected rallocx() error");
- qsz = sallocx(q, 0);
- if (q != p || qsz != psz) {
- expect_false(validate_fill(q, FILL_BYTE, 0,
- psz), "Expected filled memory");
- expect_false(validate_fill(q, 0, psz, qsz-psz),
- "Expected zeroed memory");
- }
- if (psz != qsz) {
- memset((void *)((uintptr_t)q+psz), FILL_BYTE,
- qsz-psz);
- psz = qsz;
- }
- p = q;
- }
- expect_false(validate_fill(p, FILL_BYTE, 0, psz),
- "Expected filled memory");
- dallocx(p, 0);
- }
-#undef FILL_BYTE
-}
-TEST_END
-
-TEST_BEGIN(test_align) {
- void *p, *q;
- size_t align;
-#define MAX_ALIGN (ZU(1) << 25)
-
- align = ZU(1);
- p = mallocx(1, MALLOCX_ALIGN(align));
- expect_ptr_not_null(p, "Unexpected mallocx() error");
-
- for (align <<= 1; align <= MAX_ALIGN; align <<= 1) {
- q = rallocx(p, 1, MALLOCX_ALIGN(align));
- expect_ptr_not_null(q,
- "Unexpected rallocx() error for align=%zu", align);
- expect_ptr_null(
- (void *)((uintptr_t)q & (align-1)),
- "%p inadequately aligned for align=%zu",
- q, align);
- p = q;
- }
- dallocx(p, 0);
-#undef MAX_ALIGN
-}
-TEST_END
-
-TEST_BEGIN(test_align_enum) {
-/* Span both small sizes and large sizes. */
-#define LG_MIN 12
-#define LG_MAX 15
- for (size_t lg_align = LG_MIN; lg_align <= LG_MAX; ++lg_align) {
- for (size_t lg_size = LG_MIN; lg_size <= LG_MAX; ++lg_size) {
- size_t size = 1 << lg_size;
- for (size_t lg_align_next = LG_MIN;
- lg_align_next <= LG_MAX; ++lg_align_next) {
- int flags = MALLOCX_LG_ALIGN(lg_align);
- void *p = mallocx(1, flags);
- assert_ptr_not_null(p,
- "Unexpected mallocx() error");
- assert_zu_eq(nallocx(1, flags),
- TEST_MALLOC_SIZE(p),
- "Wrong mallocx() usable size");
- int flags_next =
- MALLOCX_LG_ALIGN(lg_align_next);
- p = rallocx(p, size, flags_next);
- assert_ptr_not_null(p,
- "Unexpected rallocx() error");
- expect_zu_eq(nallocx(size, flags_next),
- TEST_MALLOC_SIZE(p),
- "Wrong rallocx() usable size");
- free(p);
- }
- }
- }
-#undef LG_MAX
-#undef LG_MIN
-}
-TEST_END
-
-TEST_BEGIN(test_lg_align_and_zero) {
- /*
- * Use volatile to workaround buffer overflow false positives
- * (-D_FORTIFY_SOURCE=3).
- */
- void *volatile p, *volatile q;
- unsigned lg_align;
- size_t sz;
-#define MAX_LG_ALIGN 25
-#define MAX_VALIDATE (ZU(1) << 22)
-
- lg_align = 0;
- p = mallocx(1, MALLOCX_LG_ALIGN(lg_align)|MALLOCX_ZERO);
- expect_ptr_not_null(p, "Unexpected mallocx() error");
-
- for (lg_align++; lg_align <= MAX_LG_ALIGN; lg_align++) {
- q = rallocx(p, 1, MALLOCX_LG_ALIGN(lg_align)|MALLOCX_ZERO);
- expect_ptr_not_null(q,
- "Unexpected rallocx() error for lg_align=%u", lg_align);
- expect_ptr_null(
- (void *)((uintptr_t)q & ((ZU(1) << lg_align)-1)),
- "%p inadequately aligned for lg_align=%u", q, lg_align);
- sz = sallocx(q, 0);
- if ((sz << 1) <= MAX_VALIDATE) {
- expect_false(validate_fill(q, 0, 0, sz),
- "Expected zeroed memory");
- } else {
- expect_false(validate_fill(q, 0, 0, MAX_VALIDATE),
- "Expected zeroed memory");
- expect_false(validate_fill(
- (void *)((uintptr_t)q+sz-MAX_VALIDATE),
- 0, 0, MAX_VALIDATE), "Expected zeroed memory");
- }
- p = q;
- }
- dallocx(p, 0);
-#undef MAX_VALIDATE
-#undef MAX_LG_ALIGN
-}
-TEST_END
-
-/*
- * GCC "-Walloc-size-larger-than" warning detects when one of the memory
- * allocation functions is called with a size larger than the maximum size that
- * they support. Here we want to explicitly test that the allocation functions
- * do indeed fail properly when this is the case, which triggers the warning.
- * Therefore we disable the warning for these tests.
- */
-JEMALLOC_DIAGNOSTIC_PUSH
-JEMALLOC_DIAGNOSTIC_IGNORE_ALLOC_SIZE_LARGER_THAN
-
-TEST_BEGIN(test_overflow) {
- size_t largemax;
- void *p;
-
- largemax = get_large_size(get_nlarge()-1);
-
- p = mallocx(1, 0);
- expect_ptr_not_null(p, "Unexpected mallocx() failure");
-
- expect_ptr_null(rallocx(p, largemax+1, 0),
- "Expected OOM for rallocx(p, size=%#zx, 0)", largemax+1);
-
- expect_ptr_null(rallocx(p, ZU(PTRDIFF_MAX)+1, 0),
- "Expected OOM for rallocx(p, size=%#zx, 0)", ZU(PTRDIFF_MAX)+1);
-
- expect_ptr_null(rallocx(p, SIZE_T_MAX, 0),
- "Expected OOM for rallocx(p, size=%#zx, 0)", SIZE_T_MAX);
-
- expect_ptr_null(rallocx(p, 1, MALLOCX_ALIGN(ZU(PTRDIFF_MAX)+1)),
- "Expected OOM for rallocx(p, size=1, MALLOCX_ALIGN(%#zx))",
- ZU(PTRDIFF_MAX)+1);
-
- dallocx(p, 0);
-}
-TEST_END
-
-/* Re-enable the "-Walloc-size-larger-than=" warning */
-JEMALLOC_DIAGNOSTIC_POP
-
-int
-main(void) {
- return test(
- test_grow_and_shrink,
- test_zero,
- test_align,
- test_align_enum,
- test_lg_align_and_zero,
- test_overflow);
-}
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