diff options
Diffstat (limited to 'chromium/third_party/nss/nspr/pr/src/md/unix/unix.c')
| -rw-r--r-- | chromium/third_party/nss/nspr/pr/src/md/unix/unix.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/chromium/third_party/nss/nspr/pr/src/md/unix/unix.c b/chromium/third_party/nss/nspr/pr/src/md/unix/unix.c index 02962e6737a..38f7be9b3ef 100644 --- a/chromium/third_party/nss/nspr/pr/src/md/unix/unix.c +++ b/chromium/third_party/nss/nspr/pr/src/md/unix/unix.c @@ -3614,14 +3614,9 @@ PRStatus _MD_MemUnmap(void *addr, PRUint32 len) { if (munmap(addr, len) == 0) { return PR_SUCCESS; - } else { - if (errno == EINVAL) { - PR_SetError(PR_INVALID_ARGUMENT_ERROR, errno); - } else { - PR_SetError(PR_UNKNOWN_ERROR, errno); - } - return PR_FAILURE; } + _PR_MD_MAP_DEFAULT_ERROR(errno); + return PR_FAILURE; } PRStatus _MD_CloseFileMap(PRFileMap *fmap) @@ -3638,6 +3633,20 @@ PRStatus _MD_CloseFileMap(PRFileMap *fmap) return PR_SUCCESS; } +PRStatus _MD_SyncMemMap( + PRFileDesc *fd, + void *addr, + PRUint32 len) +{ + /* msync(..., MS_SYNC) alone is sufficient to flush modified data to disk + * synchronously. It is not necessary to call fsync. */ + if (msync(addr, len, MS_SYNC) == 0) { + return PR_SUCCESS; + } + _PR_MD_MAP_DEFAULT_ERROR(errno); + return PR_FAILURE; +} + #if defined(_PR_NEED_FAKE_POLL) /* |