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patch 7.4.1669

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Problem:    When writing buffer lines to a pipe Vim may block.
Solution:   Avoid blocking, write more lines later.
This commit is contained in:
Bram Moolenaar
2016-03-28 19:16:20 +02:00
parent ee1f7b3cb7
commit 8b877ac38e
8 changed files with 288 additions and 45 deletions
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7
src/structs.h
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@@ -1383,12 +1383,15 @@ typedef struct {
#else
struct timeval ch_deadline;
#endif
int ch_block_write; /* for testing: 0 when not used, -1 when write
* does not block, 1 simulate blocking */
cbq_T ch_cb_head; /* dummy node for per-request callbacks */
char_u *ch_callback; /* call when a msg is not handled */
partial_T *ch_partial;
buf_T *ch_buffer; /* buffer to read from or write to */
int ch_buf_append; /* write appended lines instead top-bot */
linenr_T ch_buf_top; /* next line to send */
linenr_T ch_buf_bot; /* last line to send */
} chanpart_T;
@@ -1457,7 +1460,8 @@ struct channel_S {
#define JO_ERR_BUF 0x2000000 /* "err_buf" (JO_OUT_BUF << 1) */
#define JO_IN_BUF 0x4000000 /* "in_buf" (JO_OUT_BUF << 2) */
#define JO_CHANNEL 0x8000000 /* "channel" */
#define JO_ALL 0xfffffff
#define JO_BLOCK_WRITE 0x10000000 /* "block_write" */
#define JO_ALL 0x7fffffff
#define JO_MODE_ALL (JO_MODE + JO_IN_MODE + JO_OUT_MODE + JO_ERR_MODE)
#define JO_CB_ALL \
@@ -1499,6 +1503,7 @@ typedef struct
int jo_timeout;
int jo_out_timeout;
int jo_err_timeout;
int jo_block_write; /* for testing only */
int jo_part;
int jo_id;
char_u jo_soe_buf[NUMBUFLEN];