diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_posix_libcdep.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_posix_libcdep.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/sanitizer_common/sanitizer_posix_libcdep.cc b/lib/sanitizer_common/sanitizer_posix_libcdep.cc index eaf157881..266e9bdba 100644 --- a/lib/sanitizer_common/sanitizer_posix_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_posix_libcdep.cc @@ -328,7 +328,7 @@ int GetNamedMappingFd(const char *name, uptr size) { } #endif -void *MmapFixedNoReserve(uptr fixed_addr, uptr size, const char *name) { +bool MmapFixedNoReserve(uptr fixed_addr, uptr size, const char *name) { int fd = name ? GetNamedMappingFd(name, size) : -1; unsigned flags = MAP_PRIVATE | MAP_FIXED | MAP_NORESERVE; if (fd == -1) flags |= MAP_ANON; @@ -338,12 +338,14 @@ void *MmapFixedNoReserve(uptr fixed_addr, uptr size, const char *name) { RoundUpTo(size, PageSize), PROT_READ | PROT_WRITE, flags, fd, 0); int reserrno; - if (internal_iserror(p, &reserrno)) + if (internal_iserror(p, &reserrno)) { Report("ERROR: %s failed to " "allocate 0x%zx (%zd) bytes at address %zx (errno: %d)\n", SanitizerToolName, size, size, fixed_addr, reserrno); + return false; + } IncreaseTotalMmap(size); - return (void *)p; + return true; } uptr ReservedAddressRange::Init(uptr size, const char *name, uptr fixed_addr) { |