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authorJohn Denker <jsd@av8n.com>2012-06-02 01:58:45 (GMT)
committerJohn Denker <jsd@av8n.com>2012-06-02 01:58:45 (GMT)
commitb732a73bc773789894466b0e5320b2f1fe42c7e9 (patch)
tree385358983f064a1f10a5080b33a3ba13010886db /timeoutread.c
parent634d365a03cb0581a062cd3cf4db9ae69f1cde26 (diff)
original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz
Diffstat (limited to 'timeoutread.c')
-rw-r--r--timeoutread.c22
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;
+}