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poll: timeout

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Matheus
2023-07-09 18:11:53 -03:00
parent e1776a71e5
commit 2398dd9b80
3 changed files with 31 additions and 8 deletions
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kernel-src/sys/syscalls/poll.c
+2 -6
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@@ -16,9 +16,6 @@ syscallret_t syscall_poll(context_t *, pollfd_t *fds, size_t nfds, int timeoutms
.ret = -1
};
// timeouts are not supported yet
__assert(timeoutms <= 0);
if ((void *)fds > USERSPACE_END) {
ret.errno = EFAULT;
return ret;
@@ -60,9 +57,8 @@ syscallret_t syscall_poll(context_t *, pollfd_t *fds, size_t nfds, int timeoutms
}
if (eventcount == 0 && timeoutms != 0) {
// TODO timeout
ret.errno = poll_dowait(&desc);
if (ret.errno == 0) {
ret.errno = poll_dowait(&desc, (timeoutms == -1 ? 0 : timeoutms) * 1000);
if (ret.errno == 0 && desc.event) {
int fd = ((uintptr_t)desc.event - (uintptr_t)desc.data) / sizeof(pollfd_t);
fdsbuff[fd].revents = desc.data[fd].revents;
eventcount = 1;