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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmGetPipes.h"
#include "cm_uv.h"
#include <fcntl.h>
#if defined(_WIN32) && !defined(__CYGWIN__)
# include <io.h>
int cmGetPipes(int* fds)
{
SECURITY_ATTRIBUTES attr;
HANDLE readh, writeh;
attr.nLength = sizeof(attr);
attr.lpSecurityDescriptor = nullptr;
attr.bInheritHandle = FALSE;
if (!CreatePipe(&readh, &writeh, &attr, 0))
return uv_translate_sys_error(GetLastError());
fds[0] = _open_osfhandle((intptr_t)readh, 0);
fds[1] = _open_osfhandle((intptr_t)writeh, 0);
if (fds[0] == -1 || fds[1] == -1) {
CloseHandle(readh);
CloseHandle(writeh);
return uv_translate_sys_error(GetLastError());
}
return 0;
}
#else
# include <errno.h>
# include <unistd.h>
int cmGetPipes(int* fds)
{
if (pipe(fds) == -1) {
return uv_translate_sys_error(errno);
}
if (fcntl(fds[0], F_SETFD, FD_CLOEXEC) == -1 ||
fcntl(fds[1], F_SETFD, FD_CLOEXEC) == -1) {
close(fds[0]);
close(fds[1]);
return uv_translate_sys_error(errno);
}
return 0;
}
#endif
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