diff options
author | John Denker <jsd@av8n.com> | 2012-06-01 18:58:45 -0700 |
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committer | John Denker <jsd@av8n.com> | 2012-06-01 18:58:45 -0700 |
commit | b732a73bc773789894466b0e5320b2f1fe42c7e9 (patch) | |
tree | 385358983f064a1f10a5080b33a3ba13010886db /timeoutread.c | |
parent | 634d365a03cb0581a062cd3cf4db9ae69f1cde26 (diff) |
original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz
Diffstat (limited to 'timeoutread.c')
-rw-r--r-- | timeoutread.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/timeoutread.c b/timeoutread.c new file mode 100644 index 0000000..c75e29c --- /dev/null +++ b/timeoutread.c @@ -0,0 +1,22 @@ +#include "timeoutread.h" +#include "select.h" +#include "error.h" +#include "readwrite.h" + +int timeoutread(t,fd,buf,len) int t; int fd; char *buf; int len; +{ + fd_set rfds; + struct timeval tv; + + tv.tv_sec = t; + tv.tv_usec = 0; + + FD_ZERO(&rfds); + FD_SET(fd,&rfds); + + if (select(fd + 1,&rfds,(fd_set *) 0,(fd_set *) 0,&tv) == -1) return -1; + if (FD_ISSET(fd,&rfds)) return read(fd,buf,len); + + errno = error_timeout; + return -1; +} |