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kernel: Better support for detached processes. 

Call setsid() in the new process to create a new Unix process group
when CREATE_NEW_PROCESS_GROUP, CREATE_NEW_CONSOLE, or DETACHED_PROCESS
are specified.
This commit is contained in:
Alexandre Julliard 2006-03-06 22:22:30 +01:00
parent 6d5f5447ea
commit a401f3c4bb
1 changed files with 6 additions and 2 deletions
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8
dlls/kernel/process.c
View File

@ -1116,7 +1116,7 @@ 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 )
const WCHAR *env, const char *newdir, DWORD flags )
{
int fd[2];
int pid, err;
@ -1135,6 +1135,8 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline,
char **envp = build_envp( env );
close( fd[0] );
if (flags & (CREATE_NEW_PROCESS_GROUP | CREATE_NEW_CONSOLE | DETACHED_PROCESS)) setsid();
/* Reset signals that we previously set to SIG_IGN */
signal( SIGPIPE, SIG_DFL );
signal( SIGCHLD, SIG_DFL );
@ -1302,6 +1304,8 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
if (read( startfd[0], &dummy, 1 ) != 1) _exit(1);
close( startfd[0] );
if (flags & (CREATE_NEW_PROCESS_GROUP | CREATE_NEW_CONSOLE | DETACHED_PROCESS)) setsid();
/* Reset signals that we previously set to SIG_IGN */
signal( SIGPIPE, SIG_DFL );
signal( SIGCHLD, SIG_DFL );
@ -1743,7 +1747,7 @@ 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 ) != -1);
retv = (fork_and_exec( unix_name, tidy_cmdline, envW, unixdir, flags ) != -1);
HeapFree( GetProcessHeap(), 0, unix_name );
}
}