Sistemi operativi - Syscall getpid

Getpid

The Single UNIX ® Specification, Version 2

Copyright © 1997 The Open Group

Name

getpid - get the process ID

Synopsis

#include <sys/types.h>
#include <unistd.h>

pid_t getpid(void);

Description

The getpid() function returns the process ID of the calling process.

Return Value

The getpid() function is always successful and no return value is reserved to indicate an error.

Errors

No errors are defined.

Examples

None.

Application Usage

None.

Future Directions

None.

See Also

• exec
• fork()
• getpgrp()
• getppid()
• kill()
• setpgid()
• setsid()
• <sys/types.h>
• <unistd.h>

Derivation

Derived from Issue 1 of the SVID.

UNIX ® is a registered Trademark of The Open Group.

Copyright © 1997 The Open Group

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