Suppress -Wunused-result warning about write()

This is related to aa90e148ca70a235897b1227f1a7cd1c66bc5368, but this
code is only used under -DLINUX_OOM_ADJ, so it was apparently
overlooked then.

diff --git a/src/backend/postmaster/fork_process.c b/src/backend/postmaster/fork_process.c
index ef0f7b1cf5fbde2b69bc6fabd0a32eccd041c97e..c99ed4326555597b95f6a5f9e4749e2d16820a63 100644 (file)
--- a/src/backend/postmaster/fork_process.c
+++ b/src/backend/postmaster/fork_process.c
@@ -87,9 +87,11 @@ fork_process(void)
                        if (fd >= 0)
                        {
                                char            buf[16];
+                               int                     rc;
 
                                snprintf(buf, sizeof(buf), "%d\n", LINUX_OOM_ADJ);
-                               (void) write(fd, buf, strlen(buf));
+                               rc = write(fd, buf, strlen(buf));
+                               (void) rc;
                                close(fd);
                        }
                }