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| author | Max Romanov <max.romanov@nginx.com> | 2017-05-12 20:32:41 +0300 |
|---|---|---|
| committer | Max Romanov <max.romanov@nginx.com> | 2017-05-12 20:32:41 +0300 |
| commit | f7b4bdfd892a0b479dc946896435a3ba7f9615dd (patch) | |
| tree | a6f0c4ebaeed2d9f0fcb1c07178b52a684a53280 /src/nxt_buf.h | |
| parent | 1782c771fab999b37a8c04ed72760e3528205be7 (diff) | |
| download | unit-f7b4bdfd892a0b479dc946896435a3ba7f9615dd.tar.gz unit-f7b4bdfd892a0b479dc946896435a3ba7f9615dd.tar.bz2 | |
Using shared memory to send data via nxt_port.
Usage:
b = nxt_port_mmap_get_buf(task, port, size);
b->mem.free = nxt_cpymem(b->mem.free, data, size);
nxt_port_socket_write(task, port, NXT_PORT_MSG_DATA, -1, 0, b);
Diffstat (limited to 'src/nxt_buf.h')
| -rw-r--r-- | src/nxt_buf.h | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/src/nxt_buf.h b/src/nxt_buf.h index 85ab3602..c5ac5c20 100644 --- a/src/nxt_buf.h +++ b/src/nxt_buf.h @@ -67,7 +67,7 @@ typedef struct { struct nxt_buf_s { void *data; nxt_work_handler_t completion_handler; - nxt_buf_t *parent; + void *parent; /* * The next link, flags, and nxt_buf_mem_t should @@ -85,11 +85,13 @@ struct nxt_buf_s { uint8_t is_file; /* 1 bit */ uint16_t is_mmap:1; + uint16_t is_port_mmap:1; uint16_t is_sync:1; uint16_t is_nobuf:1; uint16_t is_flush:1; uint16_t is_last:1; + uint16_t is_port_mmap_sent:1; nxt_buf_mem_t mem; @@ -103,10 +105,11 @@ struct nxt_buf_s { }; -#define NXT_BUF_MEM_SIZE offsetof(nxt_buf_t, file) -#define NXT_BUF_SYNC_SIZE NXT_BUF_MEM_SIZE -#define NXT_BUF_MMAP_SIZE sizeof(nxt_buf_t) -#define NXT_BUF_FILE_SIZE sizeof(nxt_buf_t) +#define NXT_BUF_MEM_SIZE offsetof(nxt_buf_t, file) +#define NXT_BUF_SYNC_SIZE NXT_BUF_MEM_SIZE +#define NXT_BUF_FILE_SIZE sizeof(nxt_buf_t) +#define NXT_BUF_MMAP_SIZE NXT_BUF_FILE_SIZE +#define NXT_BUF_PORT_MMAP_SIZE NXT_BUF_MEM_SIZE #define NXT_BUF_SYNC_NOBUF 1 @@ -146,6 +149,19 @@ nxt_buf_clear_mmap(b) \ #define \ +nxt_buf_is_port_mmap(b) \ + ((b)->is_port_mmap) + +#define \ +nxt_buf_set_port_mmap(b) \ + (b)->is_port_mmap = 1 + +#define \ +nxt_buf_clear_port_mmap(b) \ + (b)->is_port_mmap = 0 + + +#define \ nxt_buf_is_sync(b) \ ((b)->is_sync) |