mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-27 23:08:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add unix domain socket support to redbean

Browse source
This commit is contained in:
Justine Tunney 2022-06-22 03:04:25 -07:00
parent 4b23985b7f
commit fc097ac275
25 changed files with 594 additions and 172 deletions
Download patch file Download diff file Expand all files Collapse all files

25
libc/sock/accept4-sysv.c
View file

@ -21,27 +21,26 @@
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#define __NR_accept4_linux 0x0120 /* rhel5:enosysevil */
int sys_accept4(int server, void *addr, uint32_t *addrsize, int flags) {
static bool once, demodernize;
if (!flags) return sys_accept(server, addr, addrsize);
int olderr, client;
if (!flags || demodernize) goto TriedAndTrue;
union sockaddr_storage_bsd bsd;
uint32_t size = sizeof(bsd);
void *out_addr = !IsBsd() ? addr : &bsd;
uint32_t *out_addrsize = !IsBsd() ? addrsize : &size;
static bool demodernize;
if (demodernize) goto TriedAndTrue;
olderr = errno;
client = __sys_accept4(server, addr, addrsize, flags);
client = __sys_accept4(server, out_addr, out_addrsize, flags);
if (client == -1 && errno == ENOSYS) {
errno = olderr;
demodernize = true;
TriedAndTrue:
client = __fixupnewsockfd(__sys_accept(server, addr, addrsize, 0), flags);
} else if (SupportsLinux() && !once) {
once = true;
if (client == __NR_accept4_linux) {
demodernize = true;
goto TriedAndTrue;
}
client = __fixupnewsockfd(__sys_accept(server, out_addr, out_addrsize, 0),
flags);
}
if (client != -1 && IsBsd()) {
sockaddr2linux(addr);
sockaddr2linux(&bsd, size, addr, addrsize);
}
return client;
}