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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:02:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:02:34 +0000
commitfadeddfbb2aa38a980dd959b5ec1ffba7afd43cb (patch)
treea7bde6111c84ea64619656a38fba50909fa0bf60 /libevent/cmake/CheckWorkingKqueue.cmake
parentInitial commit. (diff)
downloadlldpd-fadeddfbb2aa38a980dd959b5ec1ffba7afd43cb.tar.xz
lldpd-fadeddfbb2aa38a980dd959b5ec1ffba7afd43cb.zip
Adding upstream version 1.0.18.upstream/1.0.18upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libevent/cmake/CheckWorkingKqueue.cmake')
-rw-r--r--libevent/cmake/CheckWorkingKqueue.cmake52
1 files changed, 52 insertions, 0 deletions
diff --git a/libevent/cmake/CheckWorkingKqueue.cmake b/libevent/cmake/CheckWorkingKqueue.cmake
new file mode 100644
index 0000000..f22f011
--- /dev/null
+++ b/libevent/cmake/CheckWorkingKqueue.cmake
@@ -0,0 +1,52 @@
+include(CheckCSourceRuns)
+
+check_c_source_runs(
+"
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/event.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+int
+main(int argc, char **argv)
+{
+ int kq;
+ int n;
+ int fd[2];
+ struct kevent ev;
+ struct timespec ts;
+ char buf[80000];
+
+ if (pipe(fd) == -1)
+ exit(1);
+ if (fcntl(fd[1], F_SETFL, O_NONBLOCK) == -1)
+ exit(1);
+
+ while ((n = write(fd[1], buf, sizeof(buf))) == sizeof(buf))
+ ;
+
+ if ((kq = kqueue()) == -1)
+ exit(1);
+
+ memset(&ev, 0, sizeof(ev));
+ ev.ident = fd[1];
+ ev.filter = EVFILT_WRITE;
+ ev.flags = EV_ADD | EV_ENABLE;
+ n = kevent(kq, &ev, 1, NULL, 0, NULL);
+ if (n == -1)
+ exit(1);
+
+ read(fd[0], buf, sizeof(buf));
+
+ ts.tv_sec = 0;
+ ts.tv_nsec = 0;
+ n = kevent(kq, NULL, 0, &ev, 1, &ts);
+ if (n == -1 || n == 0)
+ exit(1);
+
+ exit(0);
+}
+
+" EVENT__HAVE_WORKING_KQUEUE)