debian man page for iv_popen

Query: iv_popen

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

iv_popen(3)						    ivykis programmer's manual						       iv_popen(3)

NAME
IV_POPEN_REQUEST_INIT, iv_popen_request_submit, iv_popen_request_close - popen(3) for ivykis applications
SYNOPSIS
#include <iv_popen.h> struct iv_popen_request { char *file; char **argv; char *type; }; void IV_POPEN_REQUEST_INIT(struct iv_popen_request *this); int iv_popen_request_submit(struct iv_popen_request *this); void iv_popen_request_close(struct iv_popen_request *this);
DESCRIPTION
iv_popen provides ivykis(3) applications with an asynchronous version of popen(3) that is integrated with the ivykis event loop. After initialising a struct iv_popen_request object using IV_POPEN_REQUEST_INIT and assigning its ->file and ->argv and ->type members, one can call iv_popen_request_submit on it to fork off a child process which will call execvp(2) on ->file and ->argv, while in the parent process returning a file descriptor that is connected to the child's standard input (if ->type equals "w") or standard output (if ->type equals "r"). When the application is done with the child process, it should call iv_popen_request_close, and close the file descriptor returned by iv_popen_request_submit (this is not done automatically). iv_popen will continue to monitor the child's process state while it is running, by registering an iv_wait(3) interest for its process ID. If the child process has not yet terminated when iv_popen_request_close is called, iv_popen will attempt to terminate the child process in the background by sending it a series of SIGTERM and SIGKILL signals. iv_popen_request_close must be called from the same thread that iv_popen_request_submit was called from on this object.
SEE ALSO
ivykis(3), iv_wait(3), execvp(2), popen(3) ivykis 2010-09-04 iv_popen(3)
Related Man Pages
iv_wait_interest_init(3) - debian
iv_popen(3) - debian
iv_signal_register(3) - debian
iv_wait(3) - debian
iv_wait_interest_unregister(3) - debian
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