Query: getpid
OS: freebsd
Section: 2
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GETPID(2) BSD System Calls Manual GETPID(2)NAMEgetpid, getppid -- get parent or calling process identificationLIBRARYStandard C Library (libc, -lc)SYNOPSIS#include <sys/types.h> #include <unistd.h> pid_t getpid(void); pid_t getppid(void);DESCRIPTIONThe getpid() system call returns the process ID of the calling process. Though the ID is guaranteed to be unique, it should NOT be used for constructing temporary file names, for security reasons; see mkstemp(3) instead. The getppid() system call returns the process ID of the parent of the calling process.ERRORSThe getpid() and getppid() system calls are always successful, and no return value is reserved to indicate an error.SEE ALSOfork(2), getpgrp(2), kill(2), setpgid(2), setsid(2), exec(3)STANDARDSThe getpid() and getppid() system calls are expected to conform to ISO/IEC 9945-1:1990 (``POSIX.1'').HISTORYThe getpid() function appeared in Version 7 AT&T UNIX.BSDNovember 2, 2006 BSD