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update to use new thread library

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rsc 2004-12-26 02:10:47 +00:00
parent 6a5c5d4870
commit f99790979b
3 changed files with 31 additions and 13 deletions
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13
src/cmd/plumb/fsys.c
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@ -199,7 +199,7 @@ startfsys(void)
if(post9pservice(p[1], "plumb") < 0)
sysfatal("post9pservice plumb: %r");
close(p[1]);
threadcreate(fsysproc, nil, Stack);
proccreate(fsysproc, nil, Stack);
}
static void
@ -218,14 +218,19 @@ fsysproc(void *v)
if(buf == nil)
error("malloc failed: %r");
qlock(&readlock);
n = threadread9pmsg(srvfd, buf, messagesize);
n = read9pmsg(srvfd, buf, messagesize);
if(n <= 0){
if(n < 0)
error("i/o error on server channel");
threadexitsall("unmounted");
}
if(readlock.head == nil) /* no other processes waiting to read; start one */
threadcreate(fsysproc, nil, Stack);
/*
* can give false positive (create an extra fsysproc) once in a while,
* but no false negatives, so good enough. once we have one extra
* we'll never have more.
*/
if(readlock.waiting.head == nil) /* no other processes waiting to read; start one */
proccreate(fsysproc, nil, Stack);
qunlock(&readlock);
if(t == nil)
t = emalloc(sizeof(Fcall));