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| author | kib <kib@FreeBSD.org> | 2014-01-30 18:04:39 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2014-01-30 18:04:39 +0000 |
| commit | f0cb8e7d88037c15a00b061150929a9edf7ec886 (patch) | |
| tree | 9a201009ee35135b56bc2706031305325070a4ac /lib/libc/gen | |
| parent | 8ca08329cac24ebe4162ebae134a49a1871d6709 (diff) | |
| download | FreeBSD-src-f0cb8e7d88037c15a00b061150929a9edf7ec886.zip FreeBSD-src-f0cb8e7d88037c15a00b061150929a9edf7ec886.tar.gz | |
The posix_madvise(3) and posix_fadvise(2) should return error on
failure, same as posix_fallocate(2).
Noted by: Bob Bishop <rb@gid.co.uk>
Discussed with: bde
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Diffstat (limited to 'lib/libc/gen')
| -rw-r--r-- | lib/libc/gen/pmadvise.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/libc/gen/pmadvise.c b/lib/libc/gen/pmadvise.c index 60cef63..0dc77e3 100644 --- a/lib/libc/gen/pmadvise.c +++ b/lib/libc/gen/pmadvise.c @@ -8,9 +8,19 @@ __FBSDID("$FreeBSD$"); #include <sys/mman.h> +#include <errno.h> int posix_madvise(void *address, size_t size, int how) { - return madvise(address, size, how); + int ret, saved_errno; + + saved_errno = errno; + if (madvise(address, size, how) == -1) { + ret = errno; + errno = saved_errno; + } else { + ret = 0; + } + return (ret); } |
