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Abort if addWatch during initialization of poll data fails

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Kovid Goyal 2019-07-05 10:00:39 +05:30
parent 6d96a89328
commit a41ef8d513
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 4 additions and 3 deletions
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7
glfw/backend_utils.c vendored
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@ -229,15 +229,16 @@ drain_wakeup_fd(int fd, int events UNUSED, void* data UNUSED) {
bool
initPollData(EventLoopData *eld, int display_fd) {
addWatch(eld, "display", display_fd, POLLIN, 1, NULL, NULL);
if (!addWatch(eld, "display", display_fd, POLLIN, 1, NULL, NULL)) return false;
#ifdef HAS_EVENT_FD
eld->wakeupFd = eventfd(0, 0);
if (eld->wakeupFd == -1) return false;
addWatch(eld, "wakeup", eld->wakeupFd, POLLIN, 1, drain_wakeup_fd, NULL);
const int wakeup_fd = eld->wakeupFd;
#else
if (pipe2(eld->wakeupFds, O_CLOEXEC | O_NONBLOCK) != 0) return false;
addWatch(eld, "wakeup", eld->wakeupFds[0], POLLIN, 1, drain_wakeup_fd, NULL);
const int wakeup_fd = eld->wakeupFds[0];
#endif
if (!addWatch(eld, "wakeup", wakeup_fd, POLLIN, 1, drain_wakeup_fd, NULL)) return false;
return true;
}