mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-29 05:50:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Improve system call support

Browse source
This commit is contained in:
Justine Tunney 2021-08-25 21:35:58 -07:00
parent 63b867bd2f
commit 3085ac7837
65 changed files with 900 additions and 544 deletions
Download patch file Download diff file Expand all files Collapse all files

25
libc/sock/poll-nt.c
View file

@ -26,24 +26,27 @@
#include "libc/sysv/consts/poll.h"
#include "libc/sysv/errfuns.h"
textwindows int sys_poll_nt(struct pollfd *fds, uint64_t nfds, uint64_t timeoutms) {
int got;
size_t i;
uint64_t waitfor;
textwindows int sys_poll_nt(struct pollfd *fds, uint64_t nfds, uint64_t ms) {
int i, got, waitfor;
struct sys_pollfd_nt ntfds[64];
if (nfds > 64) return einval();
if (nfds >= ARRAYLEN(ntfds)) return einval();
for (i = 0; i < nfds; ++i) {
if (!__isfdkind(fds[i].fd, kFdSocket)) return ebadf();
ntfds[i].handle = g_fds.p[fds[i].fd].handle;
ntfds[i].events = fds[i].events & (POLLPRI | POLLIN | POLLOUT);
if (fds[i].fd >= 0) {
if (!__isfdkind(fds[i].fd, kFdSocket)) return enotsock();
ntfds[i].handle = g_fds.p[fds[i].fd].handle;
ntfds[i].events = fds[i].events & (POLLPRI | POLLIN | POLLOUT);
} else {
ntfds[i].handle = -1;
ntfds[i].events = POLLIN;
}
}
for (;;) {
if (cmpxchg(&__interrupted, true, false)) return eintr();
waitfor = MIN(1000, timeoutms); /* for ctrl+c */
waitfor = MIN(1000, ms); /* for ctrl+c */
if ((got = WSAPoll(ntfds, nfds, waitfor)) != -1) {
if (!got && (timeoutms -= waitfor)) continue;
if (!got && (ms -= waitfor) > 0) continue;
for (i = 0; i < nfds; ++i) {
fds[i].revents = ntfds[i].revents;
fds[i].revents = ntfds[i].handle < 0 ? 0 : ntfds[i].revents;
}
return got;
} else {