67 lines
2.1 KiB
C
Vendored
67 lines
2.1 KiB
C
Vendored
//========================================================================
|
|
// GLFW 3.3 Wayland - www.glfw.org
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2014 Jonas Ådahl <jadahl@gmail.com>
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would
|
|
// be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not
|
|
// be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
//========================================================================
|
|
|
|
#pragma once
|
|
#include <unistd.h>
|
|
#include <poll.h>
|
|
#include <errno.h>
|
|
|
|
#ifdef __NetBSD__
|
|
#define ppoll pollts
|
|
#endif
|
|
|
|
static inline void
|
|
drainFd(int fd) {
|
|
static char drain_buf[64];
|
|
while(read(fd, drain_buf, sizeof(drain_buf)) < 0 && errno == EINTR);
|
|
}
|
|
|
|
|
|
static inline int
|
|
pollWithTimeout(struct pollfd *fds, nfds_t nfds, double timeout) {
|
|
const long seconds = (long) timeout;
|
|
const long nanoseconds = (long) ((timeout - seconds) * 1e9);
|
|
struct timespec tv = { seconds, nanoseconds };
|
|
return ppoll(fds, nfds, &tv, NULL);
|
|
}
|
|
|
|
static inline void
|
|
initPollData(struct pollfd *fds, int wakeup_fd, int display_fd) {
|
|
fds[0].fd = wakeup_fd; fds[1].fd = display_fd;
|
|
fds[0].events = POLLIN; fds[1].events = POLLIN;
|
|
}
|
|
|
|
static inline void
|
|
closeFds(int *fds, size_t count) {
|
|
while(count--) {
|
|
if (*fds > 0) {
|
|
close(*fds);
|
|
*fds = -1;
|
|
}
|
|
fds++;
|
|
}
|
|
}
|