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Fix fork() on Windows after chdir()

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This commit is contained in:
Justine Tunney 2021-01-29 23:19:29 -08:00
parent 21e1023d28
commit b8d26e2418
7 changed files with 93 additions and 4 deletions
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8
libc/calls/hefty/fork-nt.c
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@ -22,7 +22,9 @@
#include "libc/calls/internal.h"
#include "libc/calls/ntspawn.h"
#include "libc/fmt/itoa.h"
#include "libc/macros.h"
#include "libc/nexgen32e/nt2sysv.h"
#include "libc/nt/dll.h"
#include "libc/nt/enum/filemapflags.h"
#include "libc/nt/enum/pageflags.h"
#include "libc/nt/enum/startf.h"
@ -119,6 +121,7 @@ textwindows void WinMainForked(void) {
textwindows int fork$nt(void) {
jmp_buf jb;
int i, rc, pid;
char exe[PATH_MAX];
int64_t reader, writer;
char *p, buf[21 + 1 + 21 + 1];
struct NtStartupInfo startinfo;
@ -137,8 +140,9 @@ textwindows int fork$nt(void) {
startinfo.hStdInput = g_fds.p[0].handle;
startinfo.hStdOutput = g_fds.p[1].handle;
startinfo.hStdError = g_fds.p[2].handle;
if (ntspawn(g_argv[0], g_argv, environ, &kNtIsInheritable, NULL, true, 0,
NULL, &startinfo, &procinfo) != -1) {
GetModuleFileNameA(0, exe, ARRAYLEN(exe));
if (ntspawn(exe, g_argv, environ, &kNtIsInheritable, NULL, true, 0, NULL,
&startinfo, &procinfo) != -1) {
CloseHandle(reader);
CloseHandle(procinfo.hThread);
if (weaken(__sighandrvas) &&