mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 03:27:39 +00:00
9208c83f7a
- add vdso dump utility - tests now log stack usage - rename g_ftrace to __ftrace - make internal spinlocks go faster - add conformant c11 atomics library - function tracing now logs stack usage - make function call tracing thread safe - add -X unsecure (no ssl) mode to redbean - munmap() has more consistent behavior now - pacify fsync() calls on python unit tests - make --strace flag work better in redbean - start minimizing and documenting compiler flags
44 lines
2.8 KiB
C
44 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/calls/strace.internal.h"
|
|
#include "libc/intrin/describeflags.internal.h"
|
|
#include "libc/nt/files.h"
|
|
#include "libc/nt/thunk/msabi.h"
|
|
|
|
__msabi extern typeof(ReOpenFile) *const __imp_ReOpenFile;
|
|
|
|
/**
|
|
* Reopens file on the New Technology.
|
|
*
|
|
* @return handle, or -1 on failure
|
|
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
|
|
*/
|
|
int64_t ReOpenFile(int64_t hOriginalFile, uint32_t dwDesiredAccess,
|
|
uint32_t dwShareMode, uint32_t dwFlagsAndAttributes) {
|
|
int64_t hHandle;
|
|
hHandle = __imp_ReOpenFile(hOriginalFile, dwDesiredAccess, dwShareMode,
|
|
dwFlagsAndAttributes);
|
|
if (hHandle == -1) __winerr();
|
|
NTTRACE("ReOpenFile(%ld, %s, %s, %s) → %ld% m", hOriginalFile,
|
|
DescribeNtFileAccessFlags(dwDesiredAccess),
|
|
DescribeNtFileShareFlags(dwShareMode),
|
|
DescribeNtFileFlagsAndAttributes(dwFlagsAndAttributes), hHandle);
|
|
return hHandle;
|
|
}
|