From 772afb76163b5fac339dac7a42a06e6121b930d9 Mon Sep 17 00:00:00 2001 From: emersion Date: Thu, 21 Feb 2019 16:19:04 +0100 Subject: [PATCH] libsystemd: check if _POSIX_C_SOURCE is defined This can cause issues if sd-event.h is included in a source file that doesn't define _POSIX_C_SOURCE and is compiled with -Wundef. --- src/systemd/sd-event.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/systemd/sd-event.h b/src/systemd/sd-event.h index 787a12f241..7bb8609376 100644 --- a/src/systemd/sd-event.h +++ b/src/systemd/sd-event.h @@ -71,7 +71,7 @@ typedef int (*sd_event_handler_t)(sd_event_source *s, void *userdata); typedef int (*sd_event_io_handler_t)(sd_event_source *s, int fd, uint32_t revents, void *userdata); typedef int (*sd_event_time_handler_t)(sd_event_source *s, uint64_t usec, void *userdata); typedef int (*sd_event_signal_handler_t)(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata); -#if defined _GNU_SOURCE || _POSIX_C_SOURCE >= 199309L +#if defined _GNU_SOURCE || (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 199309L) typedef int (*sd_event_child_handler_t)(sd_event_source *s, const siginfo_t *si, void *userdata); #else typedef void* sd_event_child_handler_t;