X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fprocess.h;h=3feac7e9783a0604d8bb5dda0ab0f9c1af199a9e;hb=003ce655b7116d18c86a74c50391e54990346931;hp=cd5af41b9b19ebf49ee2743db2f4015620598f9b;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=sliver-openvswitch.git

diff --git a/lib/process.h b/lib/process.h
index cd5af41b9..3feac7e97 100644
--- a/lib/process.h
+++ b/lib/process.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2011, 2013 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,28 +21,27 @@
 #include <sys/types.h>
 
 struct process;
+
+/* Starting and monitoring subprocesses.
+ *
+ * process_init() and process_start() may safely be called only from a
+ * single-threaded parent process.  The parent process may safely create
+ * additional threads afterward, as long as the remaining functions in this
+ * group are called only from a single thread at any given time. */
 void process_init(void);
-char *process_escape_args(char **argv);
-int process_start(char **argv,
-                  const int *keep_fds, size_t n_keep_fds,
-                  const int *null_fds, size_t n_null_fds,
-                  struct process **);
+int process_start(char **argv, struct process **);
 void process_destroy(struct process *);
 int process_kill(const struct process *, int signr);
-
-int process_run(char **argv,
-                const int *keep_fds, size_t n_keep_fds,
-                  const int *null_fds, size_t n_null_fds,
-                int *status);
-
 pid_t process_pid(const struct process *);
 const char *process_name(const struct process *);
 bool process_exited(struct process *);
 int process_status(const struct process *);
-char *process_status_msg(int);
-
+void process_run(void);
 void process_wait(struct process *);
 
+/* These functions are thread-safe. */
+char *process_status_msg(int);
+char *process_escape_args(char **argv);
 char *process_search_path(const char *);
 
 #endif /* process.h */