diff options
Diffstat (limited to 'deps/jemalloc/test/posix_memalign.c')
-rw-r--r-- | deps/jemalloc/test/posix_memalign.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/deps/jemalloc/test/posix_memalign.c b/deps/jemalloc/test/posix_memalign.c new file mode 100644 index 000000000..3e306c01d --- /dev/null +++ b/deps/jemalloc/test/posix_memalign.c @@ -0,0 +1,121 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> + +#define JEMALLOC_MANGLE +#include "jemalloc_test.h" + +#define CHUNK 0x400000 +/* #define MAXALIGN ((size_t)0x80000000000LLU) */ +#define MAXALIGN ((size_t)0x2000000LLU) +#define NITER 4 + +int +main(void) +{ + size_t alignment, size, total; + unsigned i; + int err; + void *p, *ps[NITER]; + + fprintf(stderr, "Test begin\n"); + + /* Test error conditions. */ + for (alignment = 0; alignment < sizeof(void *); alignment++) { + err = JEMALLOC_P(posix_memalign)(&p, alignment, 1); + if (err != EINVAL) { + fprintf(stderr, + "Expected error for invalid alignment %zu\n", + alignment); + } + } + + for (alignment = sizeof(size_t); alignment < MAXALIGN; + alignment <<= 1) { + err = JEMALLOC_P(posix_memalign)(&p, alignment + 1, 1); + if (err == 0) { + fprintf(stderr, + "Expected error for invalid alignment %zu\n", + alignment + 1); + } + } + +#if LG_SIZEOF_PTR == 3 + alignment = 0x8000000000000000LLU; + size = 0x8000000000000000LLU; +#else + alignment = 0x80000000LU; + size = 0x80000000LU; +#endif + err = JEMALLOC_P(posix_memalign)(&p, alignment, size); + if (err == 0) { + fprintf(stderr, + "Expected error for posix_memalign(&p, %zu, %zu)\n", + alignment, size); + } + +#if LG_SIZEOF_PTR == 3 + alignment = 0x4000000000000000LLU; + size = 0x8400000000000001LLU; +#else + alignment = 0x40000000LU; + size = 0x84000001LU; +#endif + err = JEMALLOC_P(posix_memalign)(&p, alignment, size); + if (err == 0) { + fprintf(stderr, + "Expected error for posix_memalign(&p, %zu, %zu)\n", + alignment, size); + } + + alignment = 0x10LLU; +#if LG_SIZEOF_PTR == 3 + size = 0xfffffffffffffff0LLU; +#else + size = 0xfffffff0LU; +#endif + err = JEMALLOC_P(posix_memalign)(&p, alignment, size); + if (err == 0) { + fprintf(stderr, + "Expected error for posix_memalign(&p, %zu, %zu)\n", + alignment, size); + } + + 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 (size = 1; + size < 3 * alignment && size < (1U << 31); + size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { + for (i = 0; i < NITER; i++) { + err = JEMALLOC_P(posix_memalign)(&ps[i], + alignment, size); + if (err) { + fprintf(stderr, + "Error for size %zu (0x%zx): %s\n", + size, size, strerror(err)); + exit(1); + } + total += JEMALLOC_P(malloc_usable_size)(ps[i]); + if (total >= (MAXALIGN << 1)) + break; + } + for (i = 0; i < NITER; i++) { + if (ps[i] != NULL) { + JEMALLOC_P(free)(ps[i]); + ps[i] = NULL; + } + } + } + } + + fprintf(stderr, "Test end\n"); + return (0); +} |