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Fix many thread and file descriptor issues on Windows

Browse source 
The greenbean web server now works nearly perfectly on Windows with over
1000 threads. But some synchronization issues still remain which prevent
us from going over nine thousand.
This commit is contained in:
Justine Tunney 2022-05-20 18:51:41 -07:00
parent 96781d0679
commit 7838edae88
32 changed files with 363 additions and 192 deletions
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10
libc/sock/accept-nt.c
View file

@ -19,6 +19,7 @@
#include "libc/calls/internal.h"
#include "libc/calls/sig.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/spinlock.h"
#include "libc/mem/mem.h"
#include "libc/nt/files.h"
#include "libc/nt/struct/pollfd.h"
@ -44,7 +45,9 @@ textwindows int sys_accept_nt(struct Fd *fd, void *addr, uint32_t *addrsize,
for (;;) {
if (!WSAPoll(&(struct sys_pollfd_nt){fd->handle, POLLIN}, 1,
__SIG_POLLING_INTERVAL_MS)) {
if (_check_interrupts(true, g_fds.p)) return eintr();
if (_check_interrupts(true, g_fds.p)) {
return eintr();
}
continue;
}
if ((h = WSAAccept(fd->handle, addr, (int32_t *)addrsize, 0, 0)) != -1) {
@ -54,7 +57,8 @@ textwindows int sys_accept_nt(struct Fd *fd, void *addr, uint32_t *addrsize,
if ((!(flags & SOCK_NONBLOCK) ||
__sys_ioctlsocket_nt(h, FIONBIO, (uint32_t[]){1}) != -1) &&
(sockfd2 = calloc(1, sizeof(struct SockFd)))) {
if ((client = __reservefd(-1)) != -1) {
_spinlock(&__fds_lock);
if ((client = __reservefd_unlocked(-1)) != -1) {
sockfd2->family = sockfd->family;
sockfd2->type = sockfd->type;
sockfd2->protocol = sockfd->protocol;
@ -63,8 +67,10 @@ textwindows int sys_accept_nt(struct Fd *fd, void *addr, uint32_t *addrsize,
g_fds.p[client].mode = 0140666;
g_fds.p[client].handle = h;
g_fds.p[client].extra = (uintptr_t)sockfd2;
_spunlock(&__fds_lock);
return client;
}
_spunlock(&__fds_lock);
free(sockfd2);
}
__sys_closesocket_nt(h);