X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=libfio.c;h=8af11297e17c5eed31bd3e23df72ed40c1bfab25;hb=2c3fcd7bd67209e141e259b1fdd4585e8d91167c;hp=3fde492c91af727f6d96abf39c308d3ca4b657c7;hpb=12d02717a293cdd0c85504c958f7bf57411bb30b;p=fio.git

diff --git a/libfio.c b/libfio.c
index 3fde492c..8af11297 100644
--- a/libfio.c
+++ b/libfio.c
@@ -27,6 +27,7 @@
 #include <signal.h>
 #include <stdint.h>
 #include <locale.h>
+#include <fcntl.h>
 
 #include "fio.h"
 #include "smalloc.h"
@@ -233,6 +234,24 @@ int fio_running_or_pending_io_threads(void)
 	return 0;
 }
 
+int fio_set_fd_nonblocking(int fd, const char *who)
+{
+	int flags;
+
+	flags = fcntl(fd, F_GETFL);
+	if (flags < 0)
+		log_err("fio: %s failed to get file flags: %s\n", who, strerror(errno));
+	else {
+		int new_flags = flags | O_NONBLOCK;
+
+		new_flags = fcntl(fd, F_SETFL, new_flags);
+		if (new_flags < 0)
+			log_err("fio: %s failed to get file flags: %s\n", who, strerror(errno));
+	}
+
+	return flags;
+}
+
 static int endian_check(void)
 {
 	union {