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Added provision for packaging for Linux Standards Base compliant Linux systems.
[rsync/rsync.git]
/
io.c
diff --git
a/io.c
b/io.c
index
6cdbe6b
..
2f4162c
100644
(file)
--- a/
io.c
+++ b/
io.c
@@
-27,6
+27,8
@@
/* if no timeout is specified then use a 60 second select timeout */
#define SELECT_TIMEOUT 60
/* if no timeout is specified then use a 60 second select timeout */
#define SELECT_TIMEOUT 60
+extern int bwlimit;
+
static int io_multiplexing_out;
static int io_multiplexing_in;
static int multiplex_in_fd;
static int io_multiplexing_out;
static int io_multiplexing_in;
static int multiplex_in_fd;
@@
-37,18
+39,13
@@
extern int verbose;
extern int io_timeout;
extern struct stats stats;
extern int io_timeout;
extern struct stats stats;
-static int buffer_f_in = -1;
static int io_error_fd = -1;
static void read_loop(int fd, char *buf, int len);
static int io_error_fd = -1;
static void read_loop(int fd, char *buf, int len);
-void setup_readbuffer(int f_in)
-{
- buffer_f_in = f_in;
-}
-
static void check_timeout(void)
{
static void check_timeout(void)
{
+ extern int am_server, am_daemon;
time_t t;
if (!io_timeout) return;
time_t t;
if (!io_timeout) return;
@@
-61,8
+58,10
@@
static void check_timeout(void)
t = time(NULL);
if (last_io && io_timeout && (t-last_io) >= io_timeout) {
t = time(NULL);
if (last_io && io_timeout && (t-last_io) >= io_timeout) {
- rprintf(FERROR,"io timeout after %d second - exiting\n",
- (int)(t-last_io));
+ if (!am_server && !am_daemon) {
+ rprintf(FERROR,"io timeout after %d second - exiting\n",
+ (int)(t-last_io));
+ }
exit_cleanup(RERR_TIMEOUT);
}
}
exit_cleanup(RERR_TIMEOUT);
}
}
@@
-159,6
+158,11
@@
static int read_timeout(int fd, char *buf, int len)
continue;
}
continue;
}
+ if (n == -1 &&
+ (errno == EWOULDBLOCK || errno == EAGAIN)) {
+ continue;
+ }
+
if (n == 0) {
if (eof_error) {
if (n == 0) {
if (eof_error) {
@@
-313,11
+317,7
@@
unsigned char read_byte(int f)
return c;
}
return c;
}
-
-
-/* write len bytes to fd, possibly reading from buffer_f_in if set
- in order to unclog the pipe. don't return until all len
- bytes have been written */
+/* write len bytes to fd */
static void writefd_unbuffered(int fd,char *buf,int len)
{
int total = 0;
static void writefd_unbuffered(int fd,char *buf,int len)
{
int total = 0;
@@
-364,17
+364,36
@@
static void writefd_unbuffered(int fd,char *buf,int len)
if (FD_ISSET(fd, &w_fds)) {
int ret, n = len-total;
if (FD_ISSET(fd, &w_fds)) {
int ret, n = len-total;
- ret = write(fd,buf+total,n
?n:1
);
+ ret = write(fd,buf+total,n);
if (ret == -1 && errno == EINTR) {
continue;
}
if (ret == -1 && errno == EINTR) {
continue;
}
+ if (ret == -1 &&
+ (errno == EWOULDBLOCK || errno == EAGAIN)) {
+ msleep(1);
+ continue;
+ }
+
if (ret <= 0) {
rprintf(FERROR,"erroring writing %d bytes - exiting\n", len);
exit_cleanup(RERR_STREAMIO);
}
if (ret <= 0) {
rprintf(FERROR,"erroring writing %d bytes - exiting\n", len);
exit_cleanup(RERR_STREAMIO);
}
+ /* Sleep after writing to limit I/O bandwidth */
+ if (bwlimit)
+ {
+ tv.tv_sec = 0;
+ tv.tv_usec = ret * 1000 / bwlimit;
+ while (tv.tv_usec > 1000000)
+ {
+ tv.tv_sec++;
+ tv.tv_usec -= 1000000;
+ }
+ select(0, NULL, NULL, NULL, &tv);
+ }
+
total += ret;
if (io_timeout)
total += ret;
if (io_timeout)
@@
-445,6
+464,17
@@
void io_end_buffering(int fd)
}
}
}
}
+/* some OSes have a bug where an exit causes the pending writes on
+ a socket to be flushed. Do an explicit shutdown to try to prevent this */
+void io_shutdown(void)
+{
+ if (multiplex_out_fd != -1) close(multiplex_out_fd);
+ if (io_error_fd != -1) close(io_error_fd);
+ multiplex_out_fd = -1;
+ io_error_fd = -1;
+}
+
+
static void writefd(int fd,char *buf,int len)
{
stats.total_written += len;
static void writefd(int fd,char *buf,int len)
{
stats.total_written += len;
@@
-595,8
+625,3
@@
void io_multiplexing_close(void)
io_multiplexing_out = 0;
}
io_multiplexing_out = 0;
}
-void io_close_input(int fd)
-{
- buffer_f_in = -1;
-}
-