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kernel32: Reset stdio file descriptors when passed invalid handles. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-05-07 15:03:29 -05:00
parent 280d10b277
commit 171dab0696
1 changed files with 23 additions and 13 deletions
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36
dlls/kernel32/process.c
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@ -2029,6 +2029,27 @@ static BOOL terminate_main_thread(void)
}
#endif
/***********************************************************************
* set_stdio_fd
*/
static void set_stdio_fd( int stdin_fd, int stdout_fd )
{
int fd = -1;
if (stdin_fd == -1 || stdout_fd == -1)
{
fd = open( "/dev/null", O_RDWR );
if (stdin_fd == -1) stdin_fd = fd;
if (stdout_fd == -1) stdout_fd = fd;
}
dup2( stdin_fd, 0 );
dup2( stdout_fd, 1 );
if (fd != -1) close( fd );
}
/***********************************************************************
* spawn_loader
*/
@ -2060,21 +2081,10 @@ static pid_t spawn_loader( const RTL_USER_PROCESS_PARAMETERS *params, int socket
if (params->ConsoleFlags || params->ConsoleHandle == KERNEL32_CONSOLE_ALLOC ||
(params->hStdInput == INVALID_HANDLE_VALUE && params->hStdOutput == INVALID_HANDLE_VALUE))
{
int fd = open( "/dev/null", O_RDWR );
setsid();
/* close stdin and stdout */
if (fd != -1)
{
dup2( fd, 0 );
dup2( fd, 1 );
close( fd );
}
}
else
{
if (stdin_fd != -1) dup2( stdin_fd, 0 );
if (stdout_fd != -1) dup2( stdout_fd, 1 );
set_stdio_fd( -1, -1 ); /* close stdin and stdout */
}
else set_stdio_fd( stdin_fd, stdout_fd );
if (stdin_fd != -1) close( stdin_fd );
if (stdout_fd != -1) close( stdout_fd );