diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 18:02:34 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 18:02:34 +0000 |
commit | fadeddfbb2aa38a980dd959b5ec1ffba7afd43cb (patch) | |
tree | a7bde6111c84ea64619656a38fba50909fa0bf60 /libevent/cmake/CheckWorkingKqueue.cmake | |
parent | Initial commit. (diff) | |
download | lldpd-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.cmake | 52 |
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) |