If you try this out, please send some email to wayned@samba.org or the rsync
mailing list with your results, build changes, bug reports, etc. Thanks!
-After applying this patch, run these commands for a successful build:
+To use this patch, run these commands for a successful build:
- ./prepare-source
- ./configure (optional if already run)
+ patch -p1 <patches/threaded-receiver.diff
+ ./configure
make
--- old/Makefile.in
extern int protocol_version;
extern int fuzzy_basis;
extern int always_checksum;
-@@ -95,6 +94,11 @@ extern struct filter_list_struct server_
+@@ -98,6 +97,11 @@ int non_perishable_cnt = 0;
static int deletion_count = 0; /* used to implement --max-delete */
+static int GEN_make_backups;
+static int GEN_csum_length;
+
- /* For calling delete_file() */
- #define DEL_FORCE_RECURSE (1<<1) /* recurse even w/o --force */
- #define DEL_TERSE (1<<3)
-@@ -445,8 +449,8 @@ static void sum_sizes_sqroot(struct sum_
+ /* For calling delete_item() and delete_dir_contents(). */
+ #define DEL_RECURSE (1<<1) /* recurse */
+ #define DEL_DIR_IS_EMPTY (1<<2) /* internal delete_FUNCTIONS use only */
+@@ -508,8 +512,8 @@ static void sum_sizes_sqroot(struct sum_
}
if (protocol_version < 27) {
s2length = SUM_LENGTH;
} else {
int32 c;
-@@ -456,7 +460,7 @@ static void sum_sizes_sqroot(struct sum_
+@@ -519,7 +523,7 @@ static void sum_sizes_sqroot(struct sum_
for (c = blength; (c >>= 1) && b; b--) {}
/* add a bit, subtract rollsum, round up. */
s2length = (b + 1 - 32 + 7) / 8; /* --optimize in compiler-- */
s2length = MIN(s2length, SUM_LENGTH);
}
-@@ -490,7 +494,7 @@ static void generate_and_send_sums(int f
+@@ -553,7 +557,7 @@ static void generate_and_send_sums(int f
sum_sizes_sqroot(&sum, len);
write_sum_head(f_out, &sum);
return;
if (len > 0)
-@@ -509,7 +513,7 @@ static void generate_and_send_sums(int f
+@@ -572,7 +576,7 @@ static void generate_and_send_sums(int f
if (f_copy >= 0) {
full_write(f_copy, map, n1);
continue;
}
-@@ -1205,7 +1209,7 @@ static void recv_generator(char *fname,
+@@ -1348,7 +1352,7 @@ static void recv_generator(char *fname,
return;
}
return;
if (fnamecmp_type <= FNAMECMP_BASIS_DIR_HIGH)
-@@ -1268,7 +1272,7 @@ static void recv_generator(char *fname,
+@@ -1411,7 +1415,7 @@ static void recv_generator(char *fname,
goto notify_others;
}
if (!(backupptr = get_backup_name(fname))) {
close(fd);
return;
-@@ -1359,9 +1363,12 @@ void generate_files(int f_out, struct fi
+@@ -1502,9 +1506,12 @@ void generate_files(int f_out, struct fi
int save_ignore_existing = ignore_existing;
int save_ignore_non_existing = ignore_non_existing;
int save_do_progress = do_progress;
if (protocol_version >= 29) {
itemizing = 1;
maybe_ATTRS_REPORT = stdout_format_has_i ? 0 : ATTRS_REPORT;
-@@ -1389,7 +1396,7 @@ void generate_files(int f_out, struct fi
+@@ -1532,7 +1539,7 @@ void generate_files(int f_out, struct fi
do_delete_pass(flist);
do_progress = 0;
whole_file = 0;
if (verbose >= 2) {
rprintf(FINFO, "delta-transmission %s\n",
-@@ -1398,12 +1405,6 @@ void generate_files(int f_out, struct fi
+@@ -1541,12 +1548,6 @@ void generate_files(int f_out, struct fi
: "enabled");
}
for (i = 0; i < flist->count; i++) {
struct file_struct *file = flist->files[i];
-@@ -1447,23 +1448,34 @@ void generate_files(int f_out, struct fi
+@@ -1590,23 +1591,34 @@ void generate_files(int f_out, struct fi
delete_in_dir(NULL, NULL, NULL, NULL);
phase++;
if (local_name)
strlcpy(fbuf, local_name, sizeof fbuf);
else
-@@ -1475,27 +1487,43 @@ void generate_files(int f_out, struct fi
+@@ -1618,27 +1630,43 @@ void generate_files(int f_out, struct fi
phase++;
ignore_non_existing = save_ignore_non_existing;
ignore_existing = save_ignore_existing;
-}
-
/* Add a message to the pending MSG_* list. */
--static void msg_list_add(struct msg_list *lst, int code, char *buf, int len)
-+static void msg_list_add(int code, char *buf, int len)
+-static void msg_list_add(struct msg_list *lst, int code, const char *buf, int len)
++static void msg_list_add(int code, const char *buf, int len)
{
struct msg_list_item *m;
- int sz = len + 4 + sizeof m[0] - 1;
+ no_flush--;
}
- int send_msg(enum msgcode code, char *buf, int len)
+ int send_msg(enum msgcode code, const char *buf, int len)
{
- if (msg_fd_out < 0) {
+ if (!am_receiver()) {
if ((size_t)write(batch_fd, buffer, total) != total)
exit_cleanup(RERR_FILEIO);
}
-@@ -1115,7 +1067,6 @@ static void writefd_unbuffered(int fd,ch
+@@ -1115,7 +1067,6 @@ static void writefd_unbuffered(int fd, c
* to grab any messages they sent before they died. */
while (fd == sock_f_out && io_multiplexing_in) {
set_io_timeout(30);
readfd_unbuffered(sock_f_in, io_filesfrom_buf,
sizeof io_filesfrom_buf);
}
-@@ -1126,7 +1077,7 @@ static void writefd_unbuffered(int fd,ch
+@@ -1126,7 +1077,7 @@ static void writefd_unbuffered(int fd, c
defer_forwarding_messages = 1;
if (fd == sock_f_out) {
last_io_out = time(NULL);
sleep_for_bwlimit(cnt);
}
-@@ -1136,23 +1087,6 @@ static void writefd_unbuffered(int fd,ch
+@@ -1136,23 +1087,6 @@ static void writefd_unbuffered(int fd, c
no_flush--;
}
return;
@@ -1199,11 +1134,6 @@ void io_flush(int flush_it_all)
- static void writefd(int fd,char *buf,size_t len)
+ static void writefd(int fd, const char *buf, size_t len)
{
- if (fd == msg_fd_out) {
- rprintf(FERROR, "Internal error: wrong write used in receiver.\n");
{ RERR_SIGNAL , "received SIGINT, SIGTERM, or SIGHUP" },
{ RERR_WAITCHILD , "waitpid() failed" },
{ RERR_MALLOC , "error allocating core memory buffers" },
-@@ -241,8 +239,8 @@ void rwrite(enum logcode code, char *buf
+@@ -241,8 +239,8 @@ void rwrite(enum logcode code, const cha
if (len < 0)
exit_cleanup(RERR_MESSAGEIO);
return;
if (am_daemon) {
-@@ -683,12 +693,30 @@ static void do_server_sender(int f_in, i
+@@ -684,12 +694,30 @@ static void do_server_sender(int f_in, i
exit_cleanup(0);
}
/* The receiving side mustn't obey this, or an existing symlink that
* points to an identical file won't be replaced by the referent. */
-@@ -697,70 +725,16 @@ static int do_recv(int f_in,int f_out,st
+@@ -698,70 +726,16 @@ static int do_recv(int f_in,int f_out,st
if (preserve_hard_links)
init_hard_links();
- if (fd_pair(error_pipe) < 0) {
- rsyserr(FERROR, errno, "pipe failed in do_recv");
+- exit_cleanup(RERR_IPC);
+- }
+-
+- io_flush(NORMAL_FLUSH);
+-
+- if ((pid = do_fork()) == -1) {
+- rsyserr(FERROR, errno, "fork failed in do_recv");
+ args.f_in = f_in;
+ args.flist = flist;
+ args.local_name = local_name;
exit_cleanup(RERR_IPC);
}
-- io_flush(NORMAL_FLUSH);
--
-- if ((pid = do_fork()) == -1) {
-- rsyserr(FERROR, errno, "fork failed in do_recv");
-- exit_cleanup(RERR_IPC);
-- }
--
- if (pid == 0) {
- close(error_pipe[0]);
- if (f_in != f_out)
generate_files(f_out, flist, local_name);
handle_stats(-1);
-@@ -771,10 +745,13 @@ static int do_recv(int f_in,int f_out,st
+@@ -772,10 +746,13 @@ static int do_recv(int f_in,int f_out,st
}
io_flush(FULL_FLUSH);
}
-@@ -1176,22 +1153,6 @@ static int start_client(int argc, char *
+@@ -1177,22 +1154,6 @@ static int start_client(int argc, char *
return ret;
}
RETSIGTYPE remember_children(UNUSED(int val))
{
#ifdef WNOHANG
-@@ -1283,8 +1244,6 @@ int main(int argc,char *argv[])
+@@ -1284,8 +1245,6 @@ int main(int argc,char *argv[])
# endif
sigact.sa_flags = SA_NOCLDSTOP;
#endif
@@ -325,7 +325,7 @@ void match_sums(int f, struct sum_struct
}
if (last_match < s->flength) {
- int32 len = s->flength - last_match;
+ int32 len = (int32)(s->flength - last_match);
- if (buf && do_progress)
+ if (buf && recv_progress)
show_progress(last_match, buf->file_size);
do_xfers = 0;
--- old/pipe.c
+++ new/pipe.c
-@@ -59,7 +59,7 @@ pid_t piped_child(char **command, int *f
+@@ -58,7 +58,7 @@ pid_t piped_child(char **command, int *f
exit_cleanup(RERR_IPC);
}
if (pid == -1) {
rsyserr(FERROR, errno, "fork");
exit_cleanup(RERR_IPC);
-@@ -123,7 +123,7 @@ pid_t local_child(int argc, char **argv,
+@@ -122,7 +122,7 @@ pid_t local_child(int argc, char **argv,
exit_cleanup(RERR_IPC);
}
@@ -165,7 +165,7 @@ static int receive_data(int f_in, char *
}
if (offset < sum.flength) {
- int32 len = sum.flength - offset;
+ int32 len = (int32)(sum.flength - offset);
- if (do_progress)
+ if (recv_progress)
show_progress(offset, total_size);
+ if (preserve_hard_links && file->link_u.links)
+ push_hlink_num(i);
} else if (!recv_ok) {
- int msgtype = phase || read_batch ? FERROR : FINFO;
+ enum logcode msgtype = phase || read_batch ? FERROR : FINFO;
if (msgtype == FERROR || verbose) {
@@ -681,8 +678,8 @@ int recv_files(int f_in, struct file_lis
errstr, fname, keptstr, redostr);
}
--- old/rsync.h
+++ new/rsync.h
-@@ -169,10 +169,8 @@ enum msgcode {
+@@ -170,10 +170,8 @@ enum msgcode {
MSG_DATA=0, /* raw data on the multiplexed stream */
MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
MSG_LOG=FLOG, MSG_SOCKERR=FSOCKERR, /* sibling logging */
};
#include "errcode.h"
-@@ -329,6 +327,7 @@ enum msgcode {
+@@ -330,6 +328,7 @@ enum msgcode {
#endif
#include <assert.h>
--- old/util.c
+++ new/util.c
-@@ -415,49 +415,6 @@ int robust_rename(char *from, char *to,
+@@ -417,49 +417,6 @@ int robust_rename(const char *from, cons
return -1;
}
-}
-
/** Turn a user name into a uid */
- int name_to_uid(char *name, uid_t *uid)
+ int name_to_uid(const char *name, uid_t *uid)
{