GETPID.2
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操作系统开发
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C/C++
- ." Copyright (c) 1980 Regents of the University of California.
- ." All rights reserved. The Berkeley software License Agreement
- ." specifies the terms and conditions for redistribution.
- ."
- ." @(#)getpid.2 6.3 (Berkeley) 5/13/86
- ."
- .TH GETPID 2 "May 13, 1986"
- .UC 4
- .SH NAME
- getpid, getppid - get process identification
- .SH SYNOPSIS
- .ft B
- .nf
- #include <sys/types.h>
- #include <unistd.h>
- pid_t getpid(void)
- pid_t getppid(void)
- .fi
- .ft R
- .SH DESCRIPTION
- .B Getpid
- returns
- the process ID of
- the current process.
- Most often it is used
- to generate uniquely-named temporary files.
- .PP
- .B Getppid
- returns the process ID of the parent
- of the current process.
- .SH "SEE ALSO
- .BR fork (2).