technocloud-public/nginx-unit
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Introducing src_pid for mmap header for accurate buf completion.

Browse Source 
This allows to use shared memory to communicate with main process.

This patch changes shared memory segment format and breaks compatibility
with older modules.
This commit is contained in:
Max Romanov
2017-10-19 17:36:45 +03:00
parent 39fd38a948
commit 6fd465f9d2
3 changed files with 30 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/go/unit/nxt_go_port_memory.c
View File

@@ -105,7 +105,8 @@ nxt_go_new_port_mmap(nxt_go_process_t *process, nxt_port_id_t id)
memset(hdr->free_map, 0xFFU, sizeof(hdr->free_map));
hdr->id = process->outgoing.nelts - 1;
hdr->pid = process->pid;
hdr->src_pid = getpid();
hdr->dst_pid = process->pid;
hdr->sent_over = id;
/* Mark first chunk as busy */
@@ -136,7 +137,7 @@ nxt_go_new_port_mmap(nxt_go_process_t *process, nxt_port_id_t id)
*/
memcpy(CMSG_DATA(&cmsg.cm), &fd, sizeof(int));
rc = nxt_go_port_send(hdr->pid, id, &port_msg, sizeof(port_msg),
rc = nxt_go_port_send(hdr->dst_pid, id, &port_msg, sizeof(port_msg),
&cmsg, sizeof(cmsg));
nxt_go_debug("new mmap #%d created for %d -> %d",