diff options
| -rw-r--r-- | netbsd/Platform.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/netbsd/Platform.c b/netbsd/Platform.c index 0d717e9d..c0783518 100644 --- a/netbsd/Platform.c +++ b/netbsd/Platform.c @@ -335,15 +335,23 @@ bool Platform_getDiskIO(DiskIOData* data) { struct io_sysctl *iostats = NULL; size_t size = 0; - /* get the size of the IO statistic array */ - (void)sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0); - if (size == 0) - return false; - - iostats = xMalloc(size); - if (sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0) < 0) { - free(iostats); - return false; + for (int retry = 3; retry > 0; retry--) { + /* get the size of the IO statistic array */ + if (sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0) < 0) + CRT_fatalError("Unable to get size of io_sysctl"); + + if (size == 0) { + free(iostats); + return false; + } + + iostats = xRealloc(iostats, size); + + if (sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0) == 0) + break; + + if (errno != ENOMEM) + CRT_fatalError("Unable to get disk IO statistics"); } uint64_t bytesReadSum = 0; |