diff options
| -rw-r--r-- | README | 3 | ||||
| -rw-r--r-- | memstomp.c | 8 |
2 files changed, 7 insertions, 4 deletions
@@ -24,6 +24,9 @@ NOTES: situations where locks are taken or memory allocated as we do it here. YMMV. + memstomp also has a '--kill' option that kills the application + at the first problem memcpy. + Note that valgrind can perform this type of check also. memstomp merely lowers the overhead for this type of check. @@ -44,9 +44,9 @@ #endif #include <signal.h> -#define KILL_TRAP raise(SIGABRT) +#define ABRT_TRAP raise(SIGSEGV) -static bool kill_trap = false; +static bool abrt_trap = false; #ifndef SCHED_RESET_ON_FORK /* "Your libc lacks the definition of SCHED_RESET_ON_FORK. We'll now @@ -172,7 +172,7 @@ static void setup(void) { "memstomp: useful stack traces.\n\n"); if (getenv("MEMSTOMP_KILL")) - kill_trap = true; + abrt_trap = true; initialized = true; @@ -323,7 +323,7 @@ void * memcpy(void * dest, const void * src, size_t count) /* Check for overlap. */ if (distance < count) { - if (kill_trap) KILL_TRAP; + if (abrt_trap) ABRT_TRAP; /* report the overlap */ warn_memcpy(dest, src, count); } |