From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Thu, 22 May 2025 12:56:57 +0000 (+0200)
Subject: sched: don't define FD_SETSIZE
X-Git-Tag: 4.7~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=821197857097c8d0bac56198cdad433ec8d6aa55;p=thirdparty%2Fchrony.git

sched: don't define FD_SETSIZE

Don't make any assumptions about fd_set size if FD_SETSIZE is missing.
POSIX requires the macro to be defined.
---

diff --git a/sched.c b/sched.c
index 676866ef..973bcaa3 100644
--- a/sched.c
+++ b/sched.c
@@ -47,12 +47,6 @@ static int initialised = 0;
 /* One more than the highest file descriptor that is registered */
 static unsigned int one_highest_fd;
 
-#ifndef FD_SETSIZE
-/* If FD_SETSIZE is not defined, assume that fd_set is implemented
-   as a fixed size array of bits, possibly embedded inside a record */
-#define FD_SETSIZE (sizeof(fd_set) * 8)
-#endif
-
 typedef struct {
   SCH_FileHandler       handler;
   SCH_ArbitraryArgument arg;