diff options
Diffstat (limited to 'source3/lib/system.c')
| -rw-r--r-- | source3/lib/system.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/source3/lib/system.c b/source3/lib/system.c index 577f0b9a20..16384c8bdf 100644 --- a/source3/lib/system.c +++ b/source3/lib/system.c @@ -100,6 +100,47 @@ ssize_t sys_write(int fd, const void *buf, size_t count) return ret; } + +/******************************************************************* +A pread wrapper that will deal with EINTR and 64-bit file offsets. +********************************************************************/ + +#if defined(HAVE_PREAD) || defined(HAVE_PREAD64) +ssize_t sys_pread(int fd, void *buf, size_t count, SMB_OFF_T off) +{ + ssize_t ret; + + do { +#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PREAD64) + ret = pread64(fd, buf, count, off); +#else + ret = pread(fd, buf, count, off); +#endif + } while (ret == -1 && errno == EINTR); + return ret; +} +#endif + +/******************************************************************* +A write wrapper that will deal with EINTR and 64-bit file offsets. +********************************************************************/ + +#if defined(HAVE_PWRITE) || defined(HAVE_PWRITE64) +ssize_t sys_pwrite(int fd, const void *buf, size_t count, SMB_OFF_T off) +{ + ssize_t ret; + + do { +#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_PWRITE64) + ret = pwrite64(fd, buf, count, off); +#else + ret = pwrite(fd, buf, count, off); +#endif + } while (ret == -1 && errno == EINTR); + return ret; +} +#endif + /******************************************************************* A send wrapper that will deal with EINTR. ********************************************************************/ |