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Add epoll and do more release readiness changes

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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
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25
libc/calls/fcntl-nt.c
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@ -21,20 +21,31 @@
#include "libc/nt/files.h"
#include "libc/sysv/consts/f.h"
#include "libc/sysv/consts/fd.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/errfuns.h"
textwindows int fcntl$nt(int fd, int cmd, unsigned arg) {
uint32_t flags;
if (!isfdkind(fd, kFdFile)) return ebadf();
if (!__isfdkind(fd, kFdFile)) return ebadf();
switch (cmd) {
case F_GETFL:
return g_fds.p[fd].flags;
case F_SETFL:
return (g_fds.p[fd].flags = arg);
case F_GETFD:
if (!GetHandleInformation(g_fds.p[fd].handle, &flags)) return -1;
arg = (flags & FD_CLOEXEC) ^ FD_CLOEXEC;
return arg;
if (g_fds.p[fd].flags & O_CLOEXEC) {
return FD_CLOEXEC;
} else {
return 0;
}
case F_SETFD:
arg ^= FD_CLOEXEC;
if (!SetHandleInformation(g_fds.p[fd].handle, FD_CLOEXEC, arg)) return -1;
return 0;
if (arg & O_CLOEXEC) {
g_fds.p[fd].flags |= O_CLOEXEC;
return FD_CLOEXEC;
} else {
g_fds.p[fd].flags &= ~O_CLOEXEC;
return 0;
}
default:
return 0; /* TODO(jart): Implement me. */
}