diff options
Diffstat (limited to 'src/cmd/rc/unixcrap.c')
| -rw-r--r-- | src/cmd/rc/unixcrap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/cmd/rc/unixcrap.c b/src/cmd/rc/unixcrap.c index d71cbc38..9393fb23 100644 --- a/src/cmd/rc/unixcrap.c +++ b/src/cmd/rc/unixcrap.c @@ -222,8 +222,11 @@ readnb(int fd, char *buf, long cnt) int flgs; didreset = 0; - while((n = read(fd, buf, cnt)) == -1) - if(!didreset && errno == EAGAIN){ +again: + n = read(fd, buf, cnt); + if(n == -1) + if(errno == EAGAIN){ + if(!didreset){ if((flgs = fcntl(fd, F_GETFL, 0)) == -1) return -1; flgs &= ~O_NONBLOCK; @@ -231,6 +234,8 @@ readnb(int fd, char *buf, long cnt) return -1; didreset = 1; } + goto again; + } return n; } |