X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fprocess.h;h=3feac7e9783a0604d8bb5dda0ab0f9c1af199a9e;hb=HEAD;hp=94549f7c8498780f1bbc24df880a2ed5088fa085;hpb=b5dae6846aa511ce4347ce988beb685ad20afdcb;p=sliver-openvswitch.git diff --git a/lib/process.h b/lib/process.h index 94549f7c8..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. @@ -21,32 +21,27 @@ #include 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 *); -#define PROCESS_MAX_CAPTURE 65536 -int process_run_capture(char **argv, char **stdout_log, char **stderr_log, - int *status); - #endif /* process.h */