Alexandre Julliard : kernel32: Set the stdin/ stdout file descriptors to match the specified Win32 handles when possible.
Module: wine Branch: master Commit: 5861612e86815115495d7ad3238ec58f1015320b URL: http://source.winehq.org/git/wine.git/?a=commit;h=5861612e86815115495d7ad323...
Author: Alexandre Julliard julliard@winehq.org Date: Thu Jul 10 12:20:56 2008 +0200
kernel32: Set the stdin/stdout file descriptors to match the specified Win32 handles when possible.
---
dlls/kernel32/process.c | 65 ++++++++++++++++++++++++++++++++++++++++++---- 1 files changed, 59 insertions(+), 6 deletions(-)
diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c index 3a97c16..759612b 100644 --- a/dlls/kernel32/process.c +++ b/dlls/kernel32/process.c @@ -1232,10 +1232,10 @@ static char **build_envp( const WCHAR *envW ) * * Fork and exec a new Unix binary, checking for errors. */ -static int fork_and_exec( const char *filename, const WCHAR *cmdline, - const WCHAR *env, const char *newdir, DWORD flags ) +static int fork_and_exec( const char *filename, const WCHAR *cmdline, const WCHAR *env, + const char *newdir, DWORD flags, STARTUPINFOW *startup ) { - int fd[2]; + int fd[2], stdin_fd = -1, stdout_fd = -1; int pid, err;
if (!env) env = GetEnvironmentStringsW(); @@ -1246,6 +1246,28 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, return -1; } fcntl( fd[1], F_SETFD, 1 ); /* set close on exec */ + + if (!(flags & (CREATE_NEW_PROCESS_GROUP | CREATE_NEW_CONSOLE | DETACHED_PROCESS))) + { + HANDLE hstdin, hstdout; + + if (startup->dwFlags & STARTF_USESTDHANDLES) + { + hstdin = startup->hStdInput; + hstdout = startup->hStdOutput; + } + else + { + hstdin = GetStdHandle(STD_INPUT_HANDLE); + hstdout = GetStdHandle(STD_OUTPUT_HANDLE); + } + + if (is_console_handle( hstdin )) hstdin = console_handle_unmap( hstdin ); + if (is_console_handle( hstdout )) hstdout = console_handle_unmap( hstdout ); + wine_server_handle_to_fd( hstdin, FILE_READ_DATA, &stdin_fd, NULL ); + wine_server_handle_to_fd( hstdout, FILE_WRITE_DATA, &stdout_fd, NULL ); + } + if (!(pid = fork())) /* child */ { char **argv = build_argv( cmdline, 0 ); @@ -1269,6 +1291,19 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, } else if (pid != -1) _exit(0); /* parent */ } + else + { + if (stdin_fd != -1) + { + dup2( stdin_fd, 0 ); + close( stdin_fd ); + } + if (stdout_fd != -1) + { + dup2( stdout_fd, 1 ); + close( stdout_fd ); + } + }
/* Reset signals that we previously set to SIG_IGN */ signal( SIGPIPE, SIG_DFL ); @@ -1281,6 +1316,8 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, write( fd[1], &err, sizeof(err) ); _exit(1); } + if (stdin_fd != -1) close( stdin_fd ); + if (stdout_fd != -1) close( stdout_fd ); close( fd[1] ); if ((pid != -1) && (read( fd[0], &err, sizeof(err) ) > 0)) /* exec failed */ { @@ -1388,11 +1425,11 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW void *res_start, void *res_end, int exec_only ) { BOOL ret, success = FALSE; - HANDLE process_info; + HANDLE process_info, hstdin, hstdout; WCHAR *env_end; char *winedebug = NULL; RTL_USER_PROCESS_PARAMETERS *params; - int socketfd[2]; + int socketfd[2], stdin_fd = -1, stdout_fd = -1; pid_t pid; int err;
@@ -1452,12 +1489,15 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW if (is_console_handle(req->hstdin)) req->hstdin = INVALID_HANDLE_VALUE; if (is_console_handle(req->hstdout)) req->hstdout = INVALID_HANDLE_VALUE; if (is_console_handle(req->hstderr)) req->hstderr = INVALID_HANDLE_VALUE; + hstdin = hstdout = 0; } else { if (is_console_handle(req->hstdin)) req->hstdin = console_handle_unmap(req->hstdin); if (is_console_handle(req->hstdout)) req->hstdout = console_handle_unmap(req->hstdout); if (is_console_handle(req->hstderr)) req->hstderr = console_handle_unmap(req->hstderr); + hstdin = req->hstdin; + hstdout = req->hstdout; }
wine_server_add_data( req, params, params->Size ); @@ -1482,6 +1522,9 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW return FALSE; }
+ if (hstdin) wine_server_handle_to_fd( hstdin, FILE_READ_DATA, &stdin_fd, NULL ); + if (hstdout) wine_server_handle_to_fd( hstdout, FILE_WRITE_DATA, &stdout_fd, NULL ); + /* create the child process */
if (exec_only || !(pid = fork())) /* child */ @@ -1505,6 +1548,14 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW } else if (pid != -1) _exit(0); /* parent */ } + else + { + if (stdin_fd != -1) dup2( stdin_fd, 0 ); + if (stdout_fd != -1) dup2( stdout_fd, 1 ); + } + + if (stdin_fd != -1) close( stdin_fd ); + if (stdout_fd != -1) close( stdout_fd );
/* Reset signals that we previously set to SIG_IGN */ signal( SIGPIPE, SIG_DFL ); @@ -1525,6 +1576,8 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
/* this is the parent */
+ if (stdin_fd != -1) close( stdin_fd ); + if (stdout_fd != -1) close( stdout_fd ); close( socketfd[0] ); HeapFree( GetProcessHeap(), 0, winedebug ); if (pid == -1) @@ -1878,7 +1931,7 @@ BOOL WINAPI CreateProcessW( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_ATTRIB
if ((unix_name = wine_get_unix_file_name( name ))) { - retv = (fork_and_exec( unix_name, tidy_cmdline, envW, unixdir, flags ) != -1); + retv = (fork_and_exec( unix_name, tidy_cmdline, envW, unixdir, flags, startup_info ) != -1); HeapFree( GetProcessHeap(), 0, unix_name ); } }
-
Alexandre Julliard