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authorcinap_lenrek <cinap_lenrek@gmx.de>2013-06-16 06:26:31 +0200
committercinap_lenrek <cinap_lenrek@gmx.de>2013-06-16 06:26:31 +0200
commite36d9f5c4e667970a4a7aa15744e304ccc7c58f3 (patch)
tree353251f1adcf5cd89a1cc901f7aed099011b8a19 /sys/src/cmd/rio
parentd84aeddee7911c9df739bad58c72189ac336f23f (diff)
make filesystem handling of read9pmsg() consistent
Diffstat (limited to 'sys/src/cmd/rio')
-rw-r--r--sys/src/cmd/rio/fsys.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/src/cmd/rio/fsys.c b/sys/src/cmd/rio/fsys.c
index 1676ef1f9..fe4d186e4 100644
--- a/sys/src/cmd/rio/fsys.c
+++ b/sys/src/cmd/rio/fsys.c
@@ -194,8 +194,9 @@ filsysproc(void *arg)
x = nil;
for(;;){
buf = emalloc(messagesize+UTFmax); /* UTFmax for appending partial rune in xfidwrite */
- n = read9pmsg(fs->sfd, buf, messagesize);
- if(n <= 0){
+ while((n = read9pmsg(fs->sfd, buf, messagesize)) == 0)
+ yield();
+ if(n < 0){
yield(); /* if threadexitsall'ing, will not return */
fprint(2, "rio: %d: read9pmsg: %d %r\n", getpid(), n);
errorshouldabort = 0;