[PATCH 6/8] tools/nolibc/types: add poll() and waitpid() flag definitions

From: Willy Tarreau
Date: Mon Mar 21 2022 - 13:34:03 EST


- POLLIN etc were missing, so poll() could only be used with timeouts.
- WNOHANG was not defined and is convenient to check if a child is still
running

Signed-off-by: Willy Tarreau <w@xxxxxx>
---
tools/include/nolibc/types.h | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/tools/include/nolibc/types.h b/tools/include/nolibc/types.h
index e4026e740b56..357e60ad38a8 100644
--- a/tools/include/nolibc/types.h
+++ b/tools/include/nolibc/types.h
@@ -82,6 +82,9 @@
#define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
#define WIFEXITED(status) (((status) & 0x7f) == 0)

+/* waitpid() flags */
+#define WNOHANG 1
+
/* standard exit() codes */
#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
@@ -122,6 +125,13 @@ typedef struct {
} while (0)

/* for poll() */
+#define POLLIN 0x0001
+#define POLLPRI 0x0002
+#define POLLOUT 0x0004
+#define POLLERR 0x0008
+#define POLLHUP 0x0010
+#define POLLNVAL 0x0020
+
struct pollfd {
int fd;
short int events;
--
2.35.1