From 112744e54bfdab025bd2146457f41f1f8f4a903b Mon Sep 17 00:00:00 2001 From: Xiao-Yong Jin Date: Wed, 14 Mar 2018 20:27:46 -0500 Subject: 9pfuse: retries read(3) upon EINTR read(3) sometimes errors with EINTR on macOS over slow connections. 9pfuse(1) now retries read(3) instead of sysfatal(3)ing. --- src/cmd/9pfuse/fuse.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src/cmd/9pfuse') diff --git a/src/cmd/9pfuse/fuse.c b/src/cmd/9pfuse/fuse.c index 3f91ce78..b84663e9 100644 --- a/src/cmd/9pfuse/fuse.c +++ b/src/cmd/9pfuse/fuse.c @@ -48,7 +48,6 @@ readfusemsg(void) int n, nn; m = allocfusemsg(); - errno = 0; /* * The FUSE kernel device apparently guarantees * that this read will return exactly one message. @@ -57,7 +56,11 @@ readfusemsg(void) * FUSE returns an ENODEV error, not EOF, * when the connection is unmounted. */ - if((n = read(fusefd, m->buf, fusebufsize)) < 0){ + do{ + errno = 0; + n = read(fusefd, m->buf, fusebufsize); + }while(n < 0 && errno == EINTR); + if(n < 0){ if(errno != ENODEV) sysfatal("readfusemsg: %r"); } -- cgit v1.2.3