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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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19
libc/runtime/directmapnt.c
View File

@ -18,6 +18,7 @@
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/nt/enum/pageflags.h"
#include "libc/nt/memory.h"
#include "libc/nt/runtime.h"
#include "libc/runtime/directmap.h"
@ -26,26 +27,24 @@ textwindows struct DirectMap DirectMapNt(void *addr, size_t size, unsigned prot,
unsigned flags, int fd, int64_t off) {
int64_t handle;
struct DirectMap res;
uint32_t protect, access;
if (fd != -1) {
handle = g_fds.p[fd].handle;
} else {
handle = kNtInvalidHandleValue;
}
protect = prot2nt(prot, flags);
access = fprot2nt(prot, flags);
if ((res.maphandle =
CreateFileMappingNuma(handle, NULL, protect, size >> 32, size, NULL,
kNtNumaNoPreferredNode))) {
if (!(res.addr = MapViewOfFileExNuma(res.maphandle, access, off >> 32, off,
size, addr, kNtNumaNoPreferredNode))) {
if ((res.maphandle = CreateFileMappingNuma(
handle, NULL, kNtPageExecuteReadwrite, size >> 32, size, NULL,
kNtNumaNoPreferredNode))) {
if (!(res.addr = MapViewOfFileExNuma(res.maphandle, fprot2nt(prot, flags),
off >> 32, off, size, addr,
kNtNumaNoPreferredNode))) {
CloseHandle(res.maphandle);
res.maphandle = kNtInvalidHandleValue;
res.addr = (void *)(intptr_t)winerr();
res.addr = (void *)(intptr_t)__winerr();
}
} else {
res.maphandle = kNtInvalidHandleValue;
res.addr = (void *)(intptr_t)winerr();
res.addr = (void *)(intptr_t)__winerr();
}
return res;
}

4
libc/runtime/winmain.greg.c
View File

@ -114,8 +114,8 @@ static textwindows void NormalizeCmdExe(void) {
static textwindows char *AllocateMemory(void *addr, size_t size, int64_t *h) {
return MapViewOfFileExNuma(
(*h = CreateFileMappingNuma(-1, NULL, pushpop(kNtPageReadwrite), 0, size,
NULL, kNtNumaNoPreferredNode)),
(*h = CreateFileMappingNuma(-1, NULL, pushpop(kNtPageExecuteReadwrite), 0,
size, NULL, kNtNumaNoPreferredNode)),
kNtFileMapRead | kNtFileMapWrite, 0, 0, size, addr,
kNtNumaNoPreferredNode);
}