1 files changed, 123 insertions, 0 deletions
diff --git a/src/libmowgli/core/process.c b/src/libmowgli/core/process.c
new file mode 100644
index 0000000..9d6c8b4
--- /dev/null
+++ b/src/libmowgli/core/process.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "mowgli.h"
+
+typedef struct
+{
+	char *path;
+	char **argv;
+} mowgli_process_execv_req_t;
+
+static void
+mowgli_process_cloned_execv(mowgli_process_execv_req_t *execv_req)
+{
+#ifndef _WIN32
+	return_if_fail(execv_req != NULL);
+	return_if_fail(execv_req->path != NULL);
+	return_if_fail(execv_req->argv != NULL);
+
+	/* Do best to set proctitle if below hack don't work */
+	mowgli_proctitle_set("%s", execv_req->argv[0]);
+	execv(execv_req->path, execv_req->argv);
+
+	mowgli_free(execv_req->argv);
+	mowgli_free(execv_req->path);
+	mowgli_free(execv_req);
+#else
+# warning implement me :(
+#endif
+}
+
+mowgli_process_t *
+mowgli_process_clone(mowgli_process_start_fn_t start_fn, const char *procname, void *userdata)
+{
+#ifndef _WIN32
+	mowgli_process_t *out;
+
+	return_val_if_fail(start_fn != NULL, NULL);
+
+	out = mowgli_alloc(sizeof(mowgli_process_t));
+	out->userdata = userdata;
+
+	out->pid = fork();
+
+	switch (out->pid)
+	{
+	default:
+		break;
+
+	case 0:
+
+		/* Do our best to set this... */
+		mowgli_proctitle_set("%s", procname);
+		start_fn(out->userdata);
+		_exit(255);
+
+		return NULL;
+		break;
+
+	case -1:
+		mowgli_free(out);
+		return NULL;
+		break;
+	}
+
+	return out;
+#else
+# warning implement me :(
+	return NULL;
+#endif
+}
+
+mowgli_process_t *
+mowgli_process_spawn(const char *path, char *const argv[])
+{
+	size_t i;
+	mowgli_process_execv_req_t *req;
+
+	return_val_if_fail(path != NULL, NULL);
+	return_val_if_fail(argv != NULL, NULL);
+
+	req = mowgli_alloc(sizeof(mowgli_process_execv_req_t));
+	req->path = mowgli_strdup(path);
+
+	for (i = 0; argv[i] != NULL; i++)
+		;
+
+	req->argv = mowgli_alloc_array(sizeof(char *), i + 1);
+
+	for (i = 0; argv[i] != NULL; i++)
+		req->argv[i] = argv[i];
+
+	return mowgli_process_clone((mowgli_process_start_fn_t) mowgli_process_cloned_execv, req->argv[0], req);
+}
+
+void
+mowgli_process_kill(mowgli_process_t *process)
+{
+#ifndef _WIN32
+	return_if_fail(process != NULL);
+
+	kill(process->pid, SIGKILL);
+#else
+# warning implement me :(
+#endif
+}