1 files changed, 96 insertions, 0 deletions
diff --git a/src/pmwebapi/util.c b/src/pmwebapi/util.c
new file mode 100644
index 0000000..7c039ad
--- /dev/null
+++ b/src/pmwebapi/util.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2002 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2009 Aconex.  All Rights Reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "pmwebapi.h"
+
+#ifdef IS_MINGW
+
+void
+pmweb_start_daemon(int argc, char **argv)
+{
+    PROCESS_INFORMATION piProcInfo;
+    STARTUPINFO siStartInfo;
+    LPTSTR cmdline = NULL;
+    int i, sz = 3; /* -f\0 */
+
+    for (i = 0; i < argc; i++)
+	sz += strlen(argv[i]) + 1;
+    if ((cmdline = malloc(sz)) == NULL) {
+	__pmNotifyErr(LOG_ERR, "pmweb_start_daemon: no memory");
+	exit(1);
+    }
+    for (sz = i = 0; i < argc; i++)
+	sz += sprintf(cmdline, "%s ", argv[i]);
+    sprintf(cmdline + sz, "-f");
+
+    ZeroMemory(&piProcInfo, sizeof(PROCESS_INFORMATION));
+    ZeroMemory(&siStartInfo, sizeof(STARTUPINFO));
+    siStartInfo.cb = sizeof(STARTUPINFO);
+
+    if (0 == CreateProcess(
+		NULL, cmdline,
+		NULL, NULL,	/* process and thread attributes */
+		FALSE,		/* inherit handles */
+		CREATE_NEW_PROCESS_GROUP | CREATE_NO_WINDOW | DETACHED_PROCESS,
+		NULL,		/* environment (from parent) */
+		NULL,		/* current directory */
+		&siStartInfo,	/* STARTUPINFO pointer */
+		&piProcInfo)) {	/* receives PROCESS_INFORMATION */
+	__pmNotifyErr(LOG_ERR, "pmweb_start_daemon: CreateProcess");
+	/* but keep going */
+    }
+    else {
+	/* parent, let her exit, but avoid ugly "Log finished" messages */
+	fclose(stderr);
+	exit(0);
+    }
+}
+
+#else
+
+/* Based on Stevens (Unix Network Programming, p.83) */
+void
+pmweb_start_daemon(int argc, char **argv)
+{
+    int childpid;
+
+    (void)argc; (void)argv;
+
+#if defined(HAVE_TERMIO_SIGNALS)
+    signal(SIGTTOU, SIG_IGN);
+    signal(SIGTTIN, SIG_IGN);
+    signal(SIGTSTP, SIG_IGN);
+#endif
+
+    if ((childpid = fork()) < 0)
+	__pmNotifyErr(LOG_ERR, "pmweb_start_daemon: fork");
+	/* but keep going */
+    else if (childpid > 0) {
+	/* parent, let her exit, but avoid ugly "Log finished" messages */
+	fclose(stderr);
+	exit(0);
+    }
+
+    /* not a process group leader, lose controlling tty */
+    if (setsid() == -1)
+	__pmNotifyErr(LOG_WARNING, "pmweb_start_daemon: setsid");
+	/* but keep going */
+
+    close(0);
+    /* don't close other fd's -- we know that only good ones are open! */
+
+    /* don't chdir("/") -- we still need to open pmcd.log */
+}
+#endif