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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/vm/vm_mmap.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/vm/vm_mmap.c')
| -rw-r--r-- | sys/vm/vm_mmap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index b42239c..53462f4 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -664,7 +664,7 @@ madvise(p, uap) /* * Check for illegal behavior */ - if (uap->behav < 0 || uap->behav > MADV_AUTOSYNC) + if (uap->behav < 0 || uap->behav > MADV_CORE) return (EINVAL); /* * Check for illegal addresses. Watch out for address wrap... Note @@ -1095,6 +1095,8 @@ vm_mmap(vm_map_t map, vm_offset_t *addr, vm_size_t size, vm_prot_t prot, docow |= MAP_COPY_ON_WRITE; if (flags & MAP_NOSYNC) docow |= MAP_DISABLE_SYNCER; + if (flags & MAP_NOCORE) + docow |= MAP_DISABLE_COREDUMP; #if defined(VM_PROT_READ_IS_EXEC) if (prot & VM_PROT_READ) |
