+#ifndef UST_SHARE_H
+#define UST_SHARE_H
+
+#include <unistd.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)
+{
+ const char *bufc = (const char *) buf;
+ int result;
+
+ for(;;) {
+ result = write(fd, bufc, count);
+ 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 */