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acme: add log file in acme root directory

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Reading /mnt/acme/log reports a log of window create,
put, and delete events, as they happen. It blocks until the
next event is available.

Example log output:

8 new /Users/rsc/foo.go
8 put /Users/rsc/foo.go
8 del /Users/rsc/foo.go

This lets acme-aware programs react to file writes, for example
compiling code, running a test, or updating an import block.

TBR=r
R=r
https://codereview.appspot.com/89560044
This commit is contained in:
Russ Cox 2014-04-30 12:14:29 -04:00
parent 833216fef8
commit 4a3fb87264
12 changed files with 262 additions and 8 deletions
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7
src/cmd/acme/dat.h
View file

@ -8,6 +8,7 @@ enum
Qeditout,
Qindex,
Qlabel,
Qlog,
Qnew,
QWaddr,
@ -391,6 +392,7 @@ struct Fid
Mntdir *mntdir;
int nrpart;
uchar rpart[UTFmax];
vlong logoff; // for putlog
};
@ -403,7 +405,6 @@ struct Xfid
Fid *f;
uchar *buf;
int flushed;
};
void xfidctl(void *);
@ -418,6 +419,10 @@ void xfideventwrite(Xfid*, Window*);
void xfidindexread(Xfid*);
void xfidutfread(Xfid*, Text*, uint, int);
int xfidruneread(Xfid*, Text*, uint, uint);
void xfidlogopen(Xfid*);
void xfidlogread(Xfid*);
void xfidlogflush(Xfid*);
void xfidlog(Window*, char*);
struct Reffont
{