Add epoll and do more release readiness changes

This change also pays off some of the remaining technical debt with
stdio, file descriptors, and memory managemnt polyfills.
This commit is contained in:
Justine Tunney 2020-11-28 12:01:51 -08:00
parent a9ea949df8
commit 3e4fd4b0ad
271 changed files with 5706 additions and 1365 deletions

View file

@ -22,7 +22,7 @@
#include "libc/calls/internal.h"
#include "libc/sock/internal.h"
#include "libc/sysv/errfuns.h"
#include "libc/zipos/zipos.h"
#include "libc/zipos/zipos.internal.h"
/**
* Writes data from multiple buffers.
@ -35,19 +35,19 @@
* @return number of bytes actually handed off, or -1 w/ errno
*/
ssize_t writev(int fd, const struct iovec *iov, int iovlen) {
if (!IsTrustworthy()) {
if (fd == -1) return einval();
if (iovlen < 0) return einval();
}
if (isfdkind(fd, kFdZip)) {
if (fd < 0) return einval();
if (iovlen < 0) return einval();
if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
return weaken(__zipos_write)(
(struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle, iov, iovlen, -1);
}
if (!IsWindows()) {
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSerial) {
return writev$serial(&g_fds.p[fd], iov, iovlen);
} else if (!IsWindows()) {
return writev$sysv(fd, iov, iovlen);
} else if (isfdkind(fd, kFdFile) || isfdkind(fd, kFdConsole)) {
} else if (fd < g_fds.n &&
(g_fds.p[fd].kind == kFdFile || g_fds.p[fd].kind == kFdConsole)) {
return write$nt(&g_fds.p[fd], iov, iovlen, -1);
} else if (isfdkind(fd, kFdSocket)) {
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSocket) {
return weaken(sendto$nt)(&g_fds.p[fd], iov, iovlen, 0, NULL, 0);
} else {
return ebadf();