getppid(2POSIX)

NAME | SYNOPSIS | API RESTRICTIONS | DESCRIPTION | ERRORS | ATTRIBUTES

NAME

getpid, getppid- get calling or parent process identification

SYNOPSIS

#include <unistd.h>

pid_t getpid(void);
pid_t getppid(void);

API RESTRICTIONS

The function or functions documented here may not be used safely in all application contexts with all APIs provided in the ChorusOS 5.0 product.

See API(5FEA) for details.

DESCRIPTION

getpid() returns the process ID of the calling process. The ID is guaranteed to be unique and is useful for constructing temporary file names.

getppid() returns the process ID of the parent of the calling process.

ERRORS

The getpid() and getppid() functions are always successful, and no return value is reserved to indicate an error.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Interface Stability	Evolving
MT-Level	Async-Signal-Safe

ChorusOS 5.0  Last Revised December 2001

NAME | SYNOPSIS | API RESTRICTIONS | DESCRIPTION | ERRORS | ATTRIBUTES