Wolfgang <ratwhs@...> writes:
>
> Dmitry Chestnykh <dmitry@...> writes:
>
> >
> > On Jan 22, 2011, at 2:59 PM, Wolfgang wrote:
> > >>
> > > I tried Dmitry Chestnykh's solution but i got some trouble, when the
> > > called
> > > process does subsequent 'system(...)'-calls - new DOS-boxes are flickering
> > > around.
> >
> > That was because I couldn't make it preserve input/output handles from the
> parent process,
> > but I'm sure there's a way to do it -- I just don't know how :)
> >
> > --
> > Dmitry Chestnykh
> >
>
> If i change the create flag DETACHED_PROCESS in your code to
> CREATE_NEW_PROCESS_GROUP, your solution works in the same way, as my solution
> with "start /b".
>
> A ctrl-c kills only the fossil server and the sub process remains actice.
> Closing the DOS box kills the sub process too.
>
> Wolfgang
>
Applying the following patch, i got a asynchronous process running, in a way,
that should be compatible with D. Richard Hipp's wishes. I tried it under
Windows XP/Digital Mars C.
After some testing, i have to say, that using start /b doesn't work.
After the sub process exits, a DOS box remains in memory.
Wolfgang
Index: src/main.c
===================================================================
--- src/main.c
+++ src/main.c
@@ -23,11 +23,13 @@
#include <string.h>
#include <time.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
-
+#if defined _WIN32
+#include <windows.h>
+#endif
#if INTERFACE
/*
** Number of elements in an array
@@ -428,10 +430,52 @@
/* On unix, evaluate the command directly.
*/
rc = system(zOrigCmd);
#endif
return rc;
+}
+
+/*
+** This function implements a cross-platform asynchronous "system()" interface.
+** return 0 on success, otherwise -1
+*/
+int fossil_spawn(const char * const zOrigCmd){
+#if defined(_WIN32)
+
+ PROCESS_INFORMATION pi;
+ STARTUPINFO si;
+ BOOL rc;
+ char *zCmd;
+
+ /* copy the command string, CreateProcess may modify the string
+ zCmd := fossil_malloc( strlen(zOrigCmd)*2+2 );
+ strcpy(zCmd,zOrigCmd);
+ memset(&pi, 0, sizeof(pi));
+ memset(&si, 0, sizeof(si));
+ si.cb = sizeof(si);
+ rc = CreateProcess(
+ NULL, /* Application Name */
+ zCmd, /* Command-line */
+ NULL, /* Process attributes */
+ NULL, /* Thread attributes */
+ TRUE, /* Inherit Handles */
+ CREATE_NEW_PROCESS_GROUP, /* Create flags */
+ NULL, /* Environment */
+ NULL, /* Current directory */
+ &si, /* Startup Info */
+ &pi /* Process Info */
+ );
+ if( rc ){
+ CloseHandle( pi.hProcess );
+ CloseHandle( pi.hThread );
+ }else{
+ fossil_fatal("cannot create child process: %d", rc);
+ }
+ return 0;
+#else
+ return -1;
+#endif
}
/*
** Like strcmp() except that it accepts NULL pointers. NULL sorts before
** all non-NULL string pointers.
@@ -1232,10 +1276,15 @@
iPort = mxPort = atoi(zPort);
}else{
iPort = db_get_int("http-port", 8080);
mxPort = iPort+100;
}
+
+#if 1
+fossil_spawn("c:\\Programme\\unxtools\\yes g");
+#endif
+
#if !defined(_WIN32)
/* Unix implementation */
if( isUiCmd ){
#if !defined(__DARWIN__) && !defined(__APPLE__)
zBrowser = db_get("web-browser", 0);
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