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-rw-r--r--src/crypto/test/malloc.cc17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/crypto/test/malloc.cc b/src/crypto/test/malloc.cc
index 9ffdf01..898f2a7 100644
--- a/src/crypto/test/malloc.cc
+++ b/src/crypto/test/malloc.cc
@@ -34,6 +34,8 @@
#if defined(__linux__) && defined(OPENSSL_GLIBC) && !defined(OPENSSL_ARM) && \
!defined(OPENSSL_AARCH64) && !defined(OPENSSL_ASAN)
+#include <errno.h>
+#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@@ -45,14 +47,14 @@
/* This file defines overrides for the standard allocation functions that allow
* a given allocation to be made to fail for testing. If the program is run
* with MALLOC_NUMBER_TO_FAIL set to a base-10 number then that allocation will
- * return NULL. If MALLOC_ABORT_ON_FAIL is also defined then the allocation
- * will abort() rather than return NULL.
+ * return NULL. If MALLOC_BREAK_ON_FAIL is also defined then the allocation
+ * will signal SIGTRAP rather than return NULL.
*
* This code is not thread safe. */
static uint64_t current_malloc_count = 0;
static uint64_t malloc_number_to_fail = 0;
-static char failure_enabled = 0, abort_on_fail = 0;
+static char failure_enabled = 0, break_on_fail = 0;
static int in_call = 0;
extern "C" {
@@ -95,7 +97,7 @@ static int should_fail_allocation() {
std::set_new_handler(cpp_new_handler);
}
}
- abort_on_fail = (NULL != getenv("MALLOC_ABORT_ON_FAIL"));
+ break_on_fail = (NULL != getenv("MALLOC_BREAK_ON_FAIL"));
init = 1;
}
@@ -108,8 +110,8 @@ static int should_fail_allocation() {
should_fail = (current_malloc_count == malloc_number_to_fail);
current_malloc_count++;
- if (should_fail && abort_on_fail) {
- abort();
+ if (should_fail && break_on_fail) {
+ raise(SIGTRAP);
}
return should_fail;
}
@@ -118,6 +120,7 @@ extern "C" {
void *malloc(size_t size) {
if (should_fail_allocation()) {
+ errno = ENOMEM;
return NULL;
}
@@ -126,6 +129,7 @@ void *malloc(size_t size) {
void *calloc(size_t num_elems, size_t size) {
if (should_fail_allocation()) {
+ errno = ENOMEM;
return NULL;
}
@@ -134,6 +138,7 @@ void *calloc(size_t num_elems, size_t size) {
void *realloc(void *ptr, size_t size) {
if (should_fail_allocation()) {
+ errno = ENOMEM;
return NULL;
}