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authorThomas Schwinge <thomas@codesourcery.com>2012-12-20 22:27:59 +0100
committerThomas Schwinge <thomas@codesourcery.com>2012-12-20 22:27:59 +0100
commit175f68707cf8a4951a9b024a3b43d92860151eaf (patch)
treec3dd4fa93fac03312982f7b89739422b072e9c84 /open_issues/glibc.mdwn
parent0a607c5c7bab130bfff70efd344bff78ce2bf88a (diff)
parentfc4d1650f3e35a1cff0111ae3808c61d44346f1f (diff)
Merge remote-tracking branch 'feldtkeller.SCHWINGE/master'
Conflicts: open_issues/fork_deadlock.mdwn open_issues/glibc.mdwn
Diffstat (limited to 'open_issues/glibc.mdwn')
-rw-r--r--open_issues/glibc.mdwn20
1 files changed, 2 insertions, 18 deletions
diff --git a/open_issues/glibc.mdwn b/open_issues/glibc.mdwn
index e2b968c9..26e04768 100644
--- a/open_issues/glibc.mdwn
+++ b/open_issues/glibc.mdwn
@@ -218,7 +218,8 @@ Last reviewed up to the [[Git mirror's d3bd58cf0a027016544949ffd27300ac5fb01bb8
`RLIMIT_RTTIME`, `SEEK_DATA` (`unistd.h`), `SEEK_HOLE` (`unistd.h`)
`clock_adjtime`, `fallocate`, `fallocate64`, `name_to_handle_at`,
`open_by_handle_at`, `process_vm_readv`, `process_vm_writev`, `sendmmsg`,
- `setns`, `sync_file_range`
+ `setns`, `sync_file_range`, [[`mremap`|mremap]] and [[several
+ `MAP_*`|glibc/mmap]]
Check also the content of `gnu/stubs.h`, which lists all the functions
marked as stub which only return `ENOSYS`.
@@ -303,8 +304,6 @@ Last reviewed up to the [[Git mirror's d3bd58cf0a027016544949ffd27300ac5fb01bb8
initialization
<tschwinge> OK, that at least matches my understanding.
- * [[`mremap`|mremap]]
-
* `futimesat`
If we have all of 'em (check Linux kernel), `#define __ASSUME_ATFCTS`.
@@ -316,21 +315,6 @@ Last reviewed up to the [[Git mirror's d3bd58cf0a027016544949ffd27300ac5fb01bb8
Do we support `AT_FDCWD` et al.?
(80b4e5f3ef231702b24d44c33e8dceb70abb3a06.)
- * `MAP_POPULATE` (`mmap`, `sys/mman.h`) -- *Populate (prefault)
- pagetables.*
-
- Some Linux kernel version, `mm/mmap.c`:
-
- if (vm_flags & VM_LOCKED) {
- if (!mlock_vma_pages_range(vma, addr, addr + len))
- mm->locked_vm += (len >> PAGE_SHIFT);
- } else if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK))
- make_pages_present(addr, addr + len);
- return addr;
-
- Is only advisory, so can worked around with `#define MAP_POPULATE 0`,
- 8069478040336a7de3461be275432493cc7e4c91.
-
* `t/opendirat`: `opendirat` (`scandirat`, `scandirat64`)
Need changes equivalent to c55fbd1ea768f9fdef34a01377702c0d72cbc213 +