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| author | ps <ps@FreeBSD.org> | 2000-02-28 04:10:35 +0000 |
|---|---|---|
| committer | ps <ps@FreeBSD.org> | 2000-02-28 04:10:35 +0000 |
| commit | c3800346ab46195181630945b2f40e1fee7853d0 (patch) | |
| tree | c1fe153aebcc58e892bd5d2eea0b026feb20e562 /sys/kern/imgact_elf.c | |
| parent | 1e4770cd942238b5157e2b25cd92594590c69b9d (diff) | |
| download | FreeBSD-src-c3800346ab46195181630945b2f40e1fee7853d0.zip FreeBSD-src-c3800346ab46195181630945b2f40e1fee7853d0.tar.gz | |
Add MAP_NOCORE to mmap(2), and MADV_NOCORE and MADV_CORE to madvise(2).
This
This feature allows you to specify if mmap'd data is included in
an application's corefile.
Change the type of eflags in struct vm_map_entry from u_char to
vm_eflags_t (an unsigned int).
Reviewed by: dillon,jdp,alfred
Approved by: jkh
Diffstat (limited to 'sys/kern/imgact_elf.c')
| -rw-r--r-- | sys/kern/imgact_elf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c index 45d33df..8729888 100644 --- a/sys/kern/imgact_elf.c +++ b/sys/kern/imgact_elf.c @@ -816,6 +816,13 @@ each_writable_segment(p, func, closure) (VM_PROT_READ|VM_PROT_WRITE)) continue; + /* + ** Dont include mmapped data in the coredump if MAP_NOCORE + ** is set in mmap(2). + */ + if (entry->eflags & MAP_ENTRY_NOCOREDUMP) + continue; + if ((obj = entry->object.vm_object) == NULL) continue; |
