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added a --partial option which tells rsync to keep partially
[rsync/rsync.git]
/
io.c
diff --git
a/io.c
b/io.c
index
61bdc60
..
d7140d2
100644
(file)
--- a/
io.c
+++ b/
io.c
@@
-108,6
+108,15
@@
static int read_timeout(int fd, char *buf, int len)
continue;
}
continue;
}
+ if (n == -1 &&
+ (errno == EAGAIN || errno == EWOULDBLOCK)) {
+ /* this shouldn't happen, if it does then
+ sleep for a short time to prevent us
+ chewing too much CPU */
+ u_sleep(100);
+ continue;
+ }
+
if (n == 0) {
if (eof_error) {
rprintf(FERROR,"EOF in read_timeout\n");
if (n == 0) {
if (eof_error) {
rprintf(FERROR,"EOF in read_timeout\n");
@@
-310,6
+319,7
@@
static void writefd_unbuffered(int fd,char *buf,int len)
int fd_count, count;
struct timeval tv;
int reading;
int fd_count, count;
struct timeval tv;
int reading;
+ int blocked=0;
no_flush++;
no_flush++;
@@
-341,17
+351,25
@@
static void writefd_unbuffered(int fd,char *buf,int len)
}
if (FD_ISSET(fd, &w_fds)) {
}
if (FD_ISSET(fd, &w_fds)) {
- int ret = write(fd,buf+total,len-total);
+ int n = (len-total)>>blocked;
+ int ret = write(fd,buf+total,n?n:1);
if (ret == -1 && errno == EINTR) {
continue;
}
if (ret == -1 && errno == EINTR) {
continue;
}
+ if (ret == -1 &&
+ (errno == EAGAIN || errno == EWOULDBLOCK)) {
+ blocked++;
+ continue;
+ }
+
if (ret <= 0) {
rprintf(FERROR,"erroring writing %d bytes - exiting\n", len);
exit_cleanup(1);
}
if (ret <= 0) {
rprintf(FERROR,"erroring writing %d bytes - exiting\n", len);
exit_cleanup(1);
}
+ blocked = 0;
total += ret;
stats.total_written += ret;
total += ret;
stats.total_written += ret;