#65: Log errno when socket access fails (#66)

tomuben · web-flow · commit 098000175270 · 2021-07-29T09:12:57.000Z
Fixes #65
diff --git a/src/exasol.c b/src/exasol.c
@@ -505,7 +505,7 @@ SEXP asyncRODBCQueryStart(SEXP slotA, SEXP chan, SEXP query, SEXP writerA) {
         }
         len = recv(t->fd, &data, 1, MSG_WAITALL);
         if (len != 1) {
-            error("Could not read header.");
+            error("Could not read header. errno=%d", errno);
             goto error;
         }
         line[pos++] = data;

Original file line number	Diff line number	Diff line change
`@@ -505,7 +505,7 @@ SEXP asyncRODBCQueryStart(SEXP slotA, SEXP chan, SEXP query, SEXP writerA) {`
`505`	`505`	`}`
`506`	`506`	`len = recv(t->fd, &data, 1, MSG_WAITALL);`
`507`	`507`	`if (len != 1) {`
`508`		`- error("Could not read header.");`
	`508`	`+ error("Could not read header. errno=%d", errno);`
`509`	`509`	`goto error;`
`510`	`510`	`}`
`511`	`511`	`line[pos++] = data;`