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better error handling

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rsc 2004-04-21 22:47:01 +00:00
parent 63b6732301
commit 2b4b2ae191
1 changed files with 2 additions and 1 deletions
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3
src/libthread/fdwait.c
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@ -233,8 +233,9 @@ threadread(int fd, void *a, long n)
threadfdnoblock(fd); threadfdnoblock(fd);
again: again:
errno = 0;
nn = read(fd, a, n); nn = read(fd, a, n);
if(nn < 0){ if(nn <= 0){
if(errno == EINTR) if(errno == EINTR)
goto again; goto again;
if(errno == EAGAIN || errno == EWOULDBLOCK){ if(errno == EAGAIN || errno == EWOULDBLOCK){