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Diffstat (limited to 'libbb/xfuncs.c')
-rw-r--r--libbb/xfuncs.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 23f2751..f25ce94 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -25,20 +25,22 @@
#include "libbb.h"
/* Turn on nonblocking I/O on a fd */
-void FAST_FUNC ndelay_on(int fd)
+int FAST_FUNC ndelay_on(int fd)
{
int flags = fcntl(fd, F_GETFL);
if (flags & O_NONBLOCK)
- return;
+ return flags;
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+ return flags;
}
-void FAST_FUNC ndelay_off(int fd)
+int FAST_FUNC ndelay_off(int fd)
{
int flags = fcntl(fd, F_GETFL);
if (!(flags & O_NONBLOCK))
- return;
+ return flags;
fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
+ return flags;
}
void FAST_FUNC close_on_exec_on(int fd)