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| author | Xiao-Yong Jin <xjin@anl.gov> | 2018-03-14 20:27:46 -0500 |
|---|---|---|
| committer | David du Colombier <0intro@gmail.com> | 2018-03-23 10:36:08 +0100 |
| commit | 112744e54bfdab025bd2146457f41f1f8f4a903b (patch) | |
| tree | 1fead8ef99f9d87fee880de841951801056dde69 /src/cmd/9pfuse | |
| parent | 4798a8a5560552480efde5fe8b1f7963a25a96d3 (diff) | |
| download | plan9port-112744e54bfdab025bd2146457f41f1f8f4a903b.tar.gz plan9port-112744e54bfdab025bd2146457f41f1f8f4a903b.tar.bz2 plan9port-112744e54bfdab025bd2146457f41f1f8f4a903b.zip | |
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.
Diffstat (limited to 'src/cmd/9pfuse')
| -rw-r--r-- | src/cmd/9pfuse/fuse.c | 7 |
1 files changed, 5 insertions, 2 deletions
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"); } |