diff options
Diffstat (limited to 'source3/lib/sendfile.c')
| -rw-r--r-- | source3/lib/sendfile.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/source3/lib/sendfile.c b/source3/lib/sendfile.c index 4aa76a0c74..75fb635fa2 100644 --- a/source3/lib/sendfile.c +++ b/source3/lib/sendfile.c @@ -65,8 +65,20 @@ ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T of nwritten = sendfile(tofd, fromfd, &offset, total); #endif } while (nwritten == -1 && errno == EINTR); - if (nwritten == -1) + if (nwritten == -1) { + if (errno == ENOSYS) { + /* Ok - we're in a world of pain here. We just sent + * the header, but the sendfile failed. We have to + * emulate the sendfile at an upper layer before we + * disable it's use. So we do something really ugly. + * We set the errno to a strange value so we can detect + * this at the upper level and take care of it without + * layer violation. JRA. + */ + errno = EINTR; /* Normally we can never return this. */ + } return -1; + } if (nwritten == 0) return -1; /* I think we're at EOF here... */ total -= nwritten; @@ -131,8 +143,20 @@ ssize_t sys_sendfile(int tofd, int fromfd, const DATA_BLOB *header, SMB_OFF_T of do { nwritten = sendfile(tofd, fromfd, &small_offset, small_total); } while (nwritten == -1 && errno == EINTR); - if (nwritten == -1) + if (nwritten == -1) { + if (errno == ENOSYS) { + /* Ok - we're in a world of pain here. We just sent + * the header, but the sendfile failed. We have to + * emulate the sendfile at an upper layer before we + * disable it's use. So we do something really ugly. + * We set the errno to a strange value so we can detect + * this at the upper level and take care of it without + * layer violation. JRA. + */ + errno = EINTR; /* Normally we can never return this. */ + } return -1; + } if (nwritten == 0) return -1; /* I think we're at EOF here... */ small_total -= nwritten; |