[PATCH 01/42] tools/nolibc: use pselect6 on RISCV

From: Willy Tarreau
Date: Mon Feb 07 2022 - 11:45:31 EST


This arch doesn't provide the old-style select() syscall, we have to
use pselect6().

Signed-off-by: Willy Tarreau <w@xxxxxx>
---
tools/include/nolibc/nolibc.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index c1c285fe494a..ad23712f9cb5 100644
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -1256,7 +1256,10 @@ struct sys_stat_struct {
* - the arguments are cast to long and assigned into the target
* registers which are then simply passed as registers to the asm code,
* so that we don't have to experience issues with register constraints.
+ *
+ * On riscv, select() is not implemented so we have to use pselect6().
*/
+#define __ARCH_WANT_SYS_PSELECT6

#define my_syscall0(num) \
({ \
--
2.35.1