diff options
Diffstat (limited to 'libbacktrace/mmap.c')
| -rw-r--r-- | libbacktrace/mmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbacktrace/mmap.c b/libbacktrace/mmap.c index 47c564f13f81..1910cb1f9eb4 100644 --- a/libbacktrace/mmap.c +++ b/libbacktrace/mmap.c @@ -77,7 +77,8 @@ backtrace_free_locked (struct backtrace_state *state, void *addr, size_t size) } } -/* Allocate memory like malloc. */ +/* Allocate memory like malloc. If ERROR_CALLBACK is NULL, don't + report an error. */ void * backtrace_alloc (struct backtrace_state *state, @@ -140,7 +141,10 @@ backtrace_alloc (struct backtrace_state *state, page = mmap (NULL, asksize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); if (page == MAP_FAILED) - error_callback (data, "mmap", errno); + { + if (error_callback) + error_callback (data, "mmap", errno); + } else { size = (size + 7) & ~ (size_t) 7; |