diff options
Diffstat (limited to 'lib/libc/stdlib/malloc.c')
| -rw-r--r-- | lib/libc/stdlib/malloc.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c index 1b581d4..f1a13ef 100644 --- a/lib/libc/stdlib/malloc.c +++ b/lib/libc/stdlib/malloc.c @@ -180,6 +180,7 @@ __FBSDID("$FreeBSD$"); #include <errno.h> #include <limits.h> +#include <link.h> #include <pthread.h> #include <sched.h> #include <stdarg.h> @@ -194,6 +195,8 @@ __FBSDID("$FreeBSD$"); #include "un-namespace.h" +#include "libc_private.h" + #define RB_COMPACT #include "rb.h" #if (defined(MALLOC_TCACHE) && defined(MALLOC_STATS)) @@ -5353,14 +5356,20 @@ small_size2bin_init_hard(void) static unsigned malloc_ncpus(void) { + int mib[2]; unsigned ret; - size_t retlen = sizeof(ret); - int mib[] = {CTL_HW, HW_NCPU}; - - if (sysctl(mib, sizeof(mib) / sizeof(int), &ret, &retlen, - (void *)0, 0) == -1) { - /* Error. */ - ret = 1; + int error; + size_t len; + + error = _elf_aux_info(AT_NCPUS, &ret, sizeof(ret)); + if (error != 0 || ret == 0) { + mib[0] = CTL_HW; + mib[1] = HW_NCPU; + len = sizeof(ret); + if (sysctl(mib, 2, &ret, &len, (void *)NULL, 0) == -1) { + /* Error. */ + ret = 1; + } } return (ret); |
