diff options
Diffstat (limited to 'malloc/hooks.c')
| -rw-r--r-- | malloc/hooks.c | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/malloc/hooks.c b/malloc/hooks.c index cf6642c..020657a 100644 --- a/malloc/hooks.c +++ b/malloc/hooks.c @@ -106,7 +106,18 @@ __malloc_check_init() __realloc_hook = realloc_check; __memalign_hook = memalign_check; if(check_action & 1) - fprintf(stderr, "malloc: using debugging hooks\n"); + { +#ifdef _LIBC + _IO_flockfile (stderr); + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; +#endif + fprintf(stderr, "malloc: using debugging hooks\n"); +#ifdef _LIBC + ((_IO_FILE *) stderr)->_flags2 |= old_flags2; + _IO_funlockfile (stderr); +#endif + } } /* A simple, standard set of debugging hooks. Overhead is `only' one @@ -224,7 +235,18 @@ top_check() t == initial_top(&main_arena)) return 0; if(check_action & 1) - fprintf(stderr, "malloc: top chunk is corrupt\n"); + { +#ifdef _LIBC + _IO_flockfile (stderr); + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; +#endif + fprintf(stderr, "malloc: top chunk is corrupt\n"); +#ifdef _LIBC + ((_IO_FILE *) stderr)->_flags2 |= old_flags2; + _IO_funlockfile (stderr); +#endif + } if(check_action & 2) abort(); @@ -278,7 +300,18 @@ free_check(mem, caller) Void_t* mem; const Void_t *caller; if(!p) { (void)mutex_unlock(&main_arena.mutex); if(check_action & 1) - fprintf(stderr, "free(): invalid pointer %p!\n", mem); + { +#ifdef _LIBC + _IO_flockfile (stderr); + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; +#endif + fprintf(stderr, "free(): invalid pointer %p!\n", mem); +#ifdef _LIBC + ((_IO_FILE *) stderr)->_flags2 |= old_flags2; + _IO_funlockfile (stderr); +#endif + } if(check_action & 2) abort(); return; @@ -315,7 +348,18 @@ realloc_check(oldmem, bytes, caller) (void)mutex_unlock(&main_arena.mutex); if(!oldp) { if(check_action & 1) - fprintf(stderr, "realloc(): invalid pointer %p!\n", oldmem); + { +#ifdef _LIBC + _IO_flockfile (stderr); + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; +#endif + fprintf(stderr, "realloc(): invalid pointer %p!\n", oldmem); +#ifdef _LIBC + ((_IO_FILE *) stderr)->_flags2 |= old_flags2; + _IO_funlockfile (stderr); +#endif + } if(check_action & 2) abort(); return malloc_check(bytes, NULL); |