diff options
Diffstat (limited to 'share/man/man5/core.5')
| -rw-r--r-- | share/man/man5/core.5 | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/share/man/man5/core.5 b/share/man/man5/core.5 index 8efc8c970014..628fdb7920bb 100644 --- a/share/man/man5/core.5 +++ b/share/man/man5/core.5 @@ -25,7 +25,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd November 12, 2023 +.Dd July 17, 2025 .Dt CORE 5 .Os .Sh NAME @@ -48,26 +48,6 @@ a system crash. (In this event, the decision to save the core file is arbitrary, see .Xr savecore 8 . ) .Pp -The maximum size of a core file is limited by the -.Dv RLIMIT_CORE -.Xr setrlimit 2 -limit. -Files which would be larger than the limit are not created. -.Pp -With a large limit, a process that had mapped a very large, -and perhaps sparsely populated, virtual memory region, could take -a very long time to create core dumps. -The system ignores all signals sent to a process writing a core file, except -.Dv SIGKILL -which terminates the writing and causes immediate exit of the process. -The behavior of -.Dv SIGKILL -can be disabled by setting tunable -.Xr sysctl 8 -variable -.Va kern.core_dump_can_intr -to zero. -.Pp The name of the file is controlled via the .Xr sysctl 8 variable @@ -107,6 +87,26 @@ yielding the traditional .Fx behaviour. .Pp +The maximum size of a core file is limited by the +.Dv RLIMIT_CORE +.Xr setrlimit 2 +limit. +Files which would be larger than the limit are not created. +.Pp +With a large limit, a process that had mapped a very large, +and perhaps sparsely populated, virtual memory region, could take +a very long time to create core dumps. +The system ignores all signals sent to a process writing a core file, except +.Dv SIGKILL +which terminates the writing and causes immediate exit of the process. +The behavior of +.Dv SIGKILL +can be disabled by setting tunable +.Xr sysctl 8 +variable +.Va kern.core_dump_can_intr +to zero. +.Pp By default, a process that changes user or group credentials whether real or effective will not create a corefile. This behaviour can be @@ -116,11 +116,13 @@ variable .Va kern.sugid_coredump to 1. .Pp -Corefiles can be compressed by the kernel if the following item -is included in the kernel configuration file: +Corefiles can be compressed by the kernel if one of the following items +are included in the kernel configuration file: .Bl -tag -width "1234567890" -compact -offset "12345" .It options GZIO +.It options +ZSTDIO .El .Pp The following sysctl control core file compression: |