On Fri, Oct 10, 2025 at 10:46:51AM +0200, Laurent Vivier wrote:

The macro EPOLL_EVENTS conflicts with enum EPOLL_EVENTS defined in sys/epoll.h (glibc).

Rename the local macro to NUM_EPOLL_EVENTS to avoid this namespace collision.

Signed-off-by: Laurent Vivier

Reviewed-by: David Gibson

---

Notes: v2: Rename PASST_EPOLL_EVENTS to NUM_EPOLL_EVENTS for better clarity

passt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/passt.c b/passt.c index 31fbb75b1b12..bdb7b6935f0c 100644 --- a/passt.c +++ b/passt.c @@ -54,7 +54,7 @@ #include "migrate.h" #include "repair.h"

-#define EPOLL_EVENTS 8 +#define NUM_EPOLL_EVENTS 8

#define TIMER_INTERVAL__ MIN(TCP_TIMER_INTERVAL, UDP_TIMER_INTERVAL) #define TIMER_INTERVAL_ MIN(TIMER_INTERVAL__, ICMP_TIMER_INTERVAL) @@ -245,7 +245,7 @@ static void print_stats(const struct ctx *c, const struct passt_stats *stats, */ int main(int argc, char **argv) { - struct epoll_event events[EPOLL_EVENTS]; + struct epoll_event events[NUM_EPOLL_EVENTS]; struct passt_stats stats = { 0 }; int nfds, i, devnull_fd = -1; struct ctx c = { 0 }; @@ -349,7 +349,7 @@ int main(int argc, char **argv) loop: /* NOLINTBEGIN(bugprone-branch-clone): intervals can be the same */ /* cppcheck-suppress [duplicateValueTernary, unmatchedSuppression] */ - nfds = epoll_wait(c.epollfd, events, EPOLL_EVENTS, TIMER_INTERVAL); + nfds = epoll_wait(c.epollfd, events, NUM_EPOLL_EVENTS, TIMER_INTERVAL); /* NOLINTEND(bugprone-branch-clone) */ if (nfds == -1 && errno != EINTR) die_perror("epoll_wait() failed in main loop"); -- 2.50.1

-- David Gibson (he or they) | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you, not the other way | around. http://www.ozlabs.org/~dgibson