From e3f8001e5c6621d9942fc3832306d1b85f57e503 Mon Sep 17 00:00:00 2001
From: Brad Anderson <brad@cloudant.com>
Date: Fri, 20 Aug 2010 11:05:21 -0400
Subject: a bit more cleanup of root dir

---
 .../priv/spawnkillable/couchspawnkillable_win.c    | 145 ---------------------
 1 file changed, 145 deletions(-)
 delete mode 100644 src/couchdb/priv/spawnkillable/couchspawnkillable_win.c

(limited to 'src/couchdb/priv/spawnkillable')

diff --git a/src/couchdb/priv/spawnkillable/couchspawnkillable_win.c b/src/couchdb/priv/spawnkillable/couchspawnkillable_win.c
deleted file mode 100644
index 06782315..00000000
--- a/src/couchdb/priv/spawnkillable/couchspawnkillable_win.c
+++ /dev/null
@@ -1,145 +0,0 @@
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not
-// use this file except in compliance with the License.  You may obtain a copy of
-// the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
-// License for the specific language governing permissions and limitations under
-// the License.
-
-// Do what 2 lines of shell script in couchspawnkillable does...
-// * Create a new suspended process with the same (duplicated) standard 
-//   handles as us.
-// * Write a line to stdout, consisting of the path to ourselves, plus
-//   '--kill {pid}' where {pid} is the PID of the newly created process.
-// * Un-suspend the new process.
-// * Wait for the process to terminate.
-// * Terminate with the child's exit-code.
-
-// Later, couch will call us with --kill and the PID, so we dutifully
-// terminate the specified PID.
-
-#include <stdlib.h>
-#include "windows.h"
-
-char *get_child_cmdline(int argc, char **argv)
-{
-    // make a new command-line, but skipping me.
-    // XXX - todo - spaces etc in args???
-    int i;
-    char *p, *cmdline;
-    int nchars = 0;
-    int nthis = 1;
-    for (i=1;i<argc;i++)
-        nchars += strlen(argv[i])+1;
-    cmdline = p = malloc(nchars+1);
-    if (!cmdline)
-        return NULL;
-    for (i=1;i<argc;i++) {
-        nthis = strlen(argv[i]);
-        strncpy(p, argv[i], nthis);
-        p[nthis] = ' ';
-        p += nthis+1;
-    }
-    // Replace the last space we added above with a '\0'
-    cmdline[nchars-1] = '\0';
-    return cmdline;
-}
-
-// create the child process, returning 0, or the exit-code we will
-// terminate with.
-int create_child(int argc, char **argv, PROCESS_INFORMATION *pi)
-{
-    char buf[1024];
-    DWORD dwcreate;
-    STARTUPINFO si;
-    char *cmdline;
-    if (argc < 2)
-        return 1;
-    cmdline = get_child_cmdline(argc, argv);
-    if (!cmdline)
-        return 2;
-
-    memset(&si, 0, sizeof(si));
-    si.cb = sizeof(si);
-    // depending on how *our* parent is started, we may or may not have
-    // a valid stderr stream - so although we try and duplicate it, only
-    // failing to duplicate stdin and stdout are considered fatal.
-    if (!DuplicateHandle(GetCurrentProcess(),
-                       GetStdHandle(STD_INPUT_HANDLE),
-                       GetCurrentProcess(),
-                       &si.hStdInput,
-                       0,
-                       TRUE, // inheritable
-                       DUPLICATE_SAME_ACCESS) ||
-       !DuplicateHandle(GetCurrentProcess(),
-                       GetStdHandle(STD_OUTPUT_HANDLE),
-                       GetCurrentProcess(),
-                       &si.hStdOutput,
-                       0,
-                       TRUE, // inheritable
-                       DUPLICATE_SAME_ACCESS)) {
-        return 3;
-    }
-    DuplicateHandle(GetCurrentProcess(),
-                   GetStdHandle(STD_ERROR_HANDLE),
-                   GetCurrentProcess(),
-                   &si.hStdError,
-                   0,
-                   TRUE, // inheritable
-                   DUPLICATE_SAME_ACCESS);
-
-    si.dwFlags = STARTF_USESTDHANDLES;
-    dwcreate = CREATE_SUSPENDED;
-    if (!CreateProcess( NULL, cmdline,
-                        NULL,
-                        NULL,
-                        TRUE, // inherit handles
-                        dwcreate,
-                        NULL, // environ
-                        NULL, // cwd
-                        &si,
-                        pi))
-        return 4;
-    return 0;
-}
-
-// and here we go...
-int main(int argc, char **argv)
-{
-    char out_buf[1024];
-    int rc;
-    DWORD cbwritten;
-    DWORD exitcode;
-    PROCESS_INFORMATION pi;
-    if (argc==3 && strcmp(argv[1], "--kill")==0) {
-        HANDLE h = OpenProcess(PROCESS_TERMINATE, 0, atoi(argv[2]));
-        if (!h)
-            return 1;
-        if (!TerminateProcess(h, 0))
-            return 2;
-        CloseHandle(h);
-        return 0;
-    }
-    // spawn the new suspended process
-    rc = create_child(argc, argv, &pi);
-    if (rc)
-        return rc;
-    // Write the 'terminate' command, which includes this PID, back to couch.
-    // *sob* - what about spaces etc?
-    sprintf_s(out_buf, sizeof(out_buf), "%s --kill %d\n", 
-              argv[0], pi.dwProcessId);
-    WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), out_buf, strlen(out_buf), 
-              &cbwritten, NULL);
-    // Let the child process go...
-    ResumeThread(pi.hThread);
-    // Wait for the process to terminate so we can reflect the exit code
-    // back to couch.
-    WaitForSingleObject(pi.hProcess, INFINITE);
-    if (!GetExitCodeProcess(pi.hProcess, &exitcode))
-        return 6;
-    return exitcode;
-}
-- 
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