diff options
-rw-r--r-- | gold/ChangeLog | 8 | ||||
-rw-r--r-- | gold/output.cc | 18 |
2 files changed, 23 insertions, 3 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index 59dd8d5e4a..e0048b54cc 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,11 @@ +2017-12-02 Vladimir Kondratyev <vladimir@kondratyev.su> + Cary Coutant <ccoutant@gmail.com> + + PR gold/22540 + * output.cc (gold_fallocate): Trivial return for len == 0. + Add fallback options when posix_fallocate and fallocate return + not-supported errors. + 2017-12-01 Cary Coutant <ccoutant@gmail.com> PR gold/21090 diff --git a/gold/output.cc b/gold/output.cc index 5b1e601d49..ed70c44867 100644 --- a/gold/output.cc +++ b/gold/output.cc @@ -127,14 +127,26 @@ namespace gold static int gold_fallocate(int o, off_t offset, off_t len) { + if (len <= 0) + return 0; + #ifdef HAVE_POSIX_FALLOCATE if (parameters->options().posix_fallocate()) - return ::posix_fallocate(o, offset, len); + { + int err = ::posix_fallocate(o, offset, len); + if (err != EINVAL && err != ENOSYS && err != EOPNOTSUPP) + return err; + } #endif // defined(HAVE_POSIX_FALLOCATE) + #ifdef HAVE_FALLOCATE - if (::fallocate(o, 0, offset, len) == 0) - return 0; + { + int err = ::fallocate(o, 0, offset, len); + if (err != EINVAL && err != ENOSYS && err != EOPNOTSUPP) + return err; + } #endif // defined(HAVE_FALLOCATE) + if (::ftruncate(o, offset + len) < 0) return errno; return 0; |