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Fix close(1) bug on Windows

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Justine Tunney 2023-07-28 03:56:56 -07:00
parent 83341a4269
commit b0e3258709
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GPG key ID: BE714B4575D6E328
6 changed files with 51 additions and 7 deletions
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15
libc/runtime/winmain.greg.c
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@ -20,6 +20,7 @@
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/dce.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/strace.internal.h"
#include "libc/intrin/weaken.h"
#include "libc/log/libfatal.internal.h"
@ -29,6 +30,7 @@
#include "libc/nt/enum/consolemodeflags.h"
#include "libc/nt/enum/filemapflags.h"
#include "libc/nt/enum/pageflags.h"
#include "libc/nt/files.h"
#include "libc/nt/memory.h"
#include "libc/nt/pedef.internal.h"
#include "libc/nt/process.h"
@ -123,6 +125,18 @@ __msabi static textwindows int OnEarlyWinCrash(struct NtExceptionPointers *ep) {
ExitProcess(200);
}
__msabi static textwindows void DeduplicateStdioHandles(void) {
int64_t proc, outhand, errhand, newhand;
outhand = GetStdHandle(kNtStdOutputHandle);
errhand = GetStdHandle(kNtStdErrorHandle);
if (outhand == errhand) {
proc = GetCurrentProcess();
DuplicateHandle(proc, errhand, proc, &newhand, 0, true,
kNtDuplicateSameAccess);
SetStdHandle(kNtStdErrorHandle, newhand);
}
}
__msabi static textwindows wontreturn void WinMainNew(const char16_t *cmdline) {
bool32 rc;
int64_t h, hand;
@ -136,6 +150,7 @@ __msabi static textwindows wontreturn void WinMainNew(const char16_t *cmdline) {
intptr_t stackaddr, allocaddr;
version = NtGetPeb()->OSMajorVersion;
__oldstack = (intptr_t)__builtin_frame_address(0);
DeduplicateStdioHandles();
if ((intptr_t)v_ntsubsystem == kNtImageSubsystemWindowsCui && version >= 10) {
rc = SetConsoleCP(kNtCpUtf8);
NTTRACE("SetConsoleCP(kNtCpUtf8) → %hhhd", rc);