| 424 | #ifndef _WIN32 |
| 425 | JEMALLOC_FORMAT_PRINTF(1, 2) |
| 426 | static int |
| 427 | prof_open_maps_internal(const char *format, ...) { |
| 428 | int mfd; |
| 429 | va_list ap; |
| 430 | char filename[PATH_MAX + 1]; |
| 431 | |
| 432 | va_start(ap, format); |
| 433 | malloc_vsnprintf(filename, sizeof(filename), format, ap); |
| 434 | va_end(ap); |
| 435 | |
| 436 | #if defined(O_CLOEXEC) |
| 437 | mfd = open(filename, O_RDONLY | O_CLOEXEC); |
| 438 | #else |
| 439 | mfd = open(filename, O_RDONLY); |
| 440 | if (mfd != -1) { |
| 441 | fcntl(mfd, F_SETFD, fcntl(mfd, F_GETFD) | FD_CLOEXEC); |
| 442 | } |
| 443 | #endif |
| 444 | |
| 445 | return mfd; |
| 446 | } |
| 447 | #endif |
| 448 | |
| 449 | static int |
no test coverage detected