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This commit is contained in:
Justine Tunney 2020-12-01 03:43:40 -08:00
parent 3e4fd4b0ad
commit e44a0cf6f8
256 changed files with 23100 additions and 2294 deletions
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47
libc/calls/hefty/execve-nt.c
View file

@ -20,36 +20,49 @@
#include "libc/calls/hefty/internal.h"
#include "libc/calls/hefty/ntspawn.h"
#include "libc/calls/internal.h"
#include "libc/nt/accounting.h"
#include "libc/nt/enum/startf.h"
#include "libc/nt/enum/status.h"
#include "libc/nt/runtime.h"
#include "libc/nt/struct/processinformation.h"
#include "libc/nt/struct/startupinfo.h"
#include "libc/nt/synchronization.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/sock.h"
static textwindows int64_t passstdhand$nt(int fd) {
if (g_fds.p[fd].kind != kFdEmpty &&
!(g_fds.p[fd].flags &
(g_fds.p[fd].kind == kFdSocket ? SOCK_CLOEXEC : O_CLOEXEC))) {
return g_fds.p[fd].handle;
} else {
return -1;
}
}
textwindows int execve$nt(const char *program, char *const argv[],
char *const envp[]) {
int i;
uint32_t dwExitCode;
struct NtStartupInfo startinfo;
struct NtProcessInformation procinfo;
memset(&startinfo, 0, sizeof(startinfo));
startinfo.cb = sizeof(struct NtStartupInfo);
startinfo.dwFlags = kNtStartfUsestdhandles;
startinfo.hStdInput = passstdhand$nt(STDIN_FILENO);
startinfo.hStdOutput = passstdhand$nt(STDOUT_FILENO);
startinfo.hStdError = passstdhand$nt(STDERR_FILENO);
if (ntspawn(program, argv, envp, NULL, NULL, true, 0, NULL, &startinfo,
NULL) != -1) {
for (;;) TerminateProcess(GetCurrentProcess(), 0);
startinfo.hStdInput = g_fds.p[0].handle;
startinfo.hStdOutput = g_fds.p[1].handle;
startinfo.hStdError = g_fds.p[2].handle;
for (i = 2; i < g_fds.n; ++i) {
if (g_fds.p[i].kind != kFdEmpty && (g_fds.p[i].flags & O_CLOEXEC)) {
close(i);
}
}
return -1;
if (ntspawn(program, argv, envp, NULL, NULL, true, 0, NULL, &startinfo,
&procinfo) == -1) {
return -1;
}
CloseHandle(procinfo.hThread);
for (i = 0; i < g_fds.n; ++i) {
if (g_fds.p[i].kind != kFdEmpty) {
close(i);
}
}
do {
WaitForSingleObject(procinfo.hProcess, -1);
dwExitCode = kNtStillActive;
GetExitCodeProcess(procinfo.hProcess, &dwExitCode);
} while (dwExitCode == kNtStillActive);
ExitProcess(dwExitCode);
}