refactor/enhance libustcomm

[ust.git] / include / share.h

diff --git a/include/share.h b/include/share.h
index f674f31f590719915398d56d464e7684b7ddaf14..1f2195ee4b1311cfb6218c0331bfecf25f33d641 100644 (file)
--- a/include/share.h
+++ b/include/share.h
@@ -1,13 +1,19 @@
 #ifndef UST_SHARE_H
 #define UST_SHARE_H
 
+/* write() */
 #include <unistd.h>
+
+/* send() */
+#include <sys/types.h>
+#include <sys/socket.h>
+
 #include <errno.h>
 
 /* This write is patient because it restarts if it was incomplete.
  */
 
-static inline ssize_t patient_write(int fd, const void *buf, size_t count)
+static __inline__ ssize_t patient_write(int fd, const void *buf, size_t count)
 {
        const char *bufc = (const char *) buf;
        int result;
@@ -31,4 +37,28 @@ static inline ssize_t patient_write(int fd, const void *buf, size_t count)
        return bufc-(const char *)buf;
 }
 
+static __inline__ ssize_t patient_send(int fd, const void *buf, size_t count, int flags)
+{
+       const char *bufc = (const char *) buf;
+       int result;
+
+       for(;;) {
+               result = send(fd, bufc, count, flags);
+               if(result == -1 && errno == EINTR) {
+                       continue;
+               }
+               if(result <= 0) {
+                       return result;
+               }
+               count -= result;
+               bufc += result;
+
+               if(count == 0) {
+                       break;
+               }
+       }
+
+       return bufc-(const char *)buf;
+}
+
 #endif /* UST_SHARE_H */