wait.h File Reference

#include <sys/cdefs.h>

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Macros
#define	WEXITSTATUS(_x)   (_x & 0x000000ff)
#define	_WSTATUS(_x)   ((_x & 0x0000ff00) >> 8)
#define	WIFEXITED(_x)   (_WSTATUS(_x) == 0)
#define	WGETPID(_x)   ((pid_t)(_x >> 16))
#define	WAIT_ANY   0

Functions
pid_t	wait (int *status)
pid_t	waitpid (pid_t pid, int *status, int options)

Macro Definition Documentation

_WSTATUS

#define _WSTATUS

(

_x

)

((_x & 0x0000ff00) >> 8)

Definition at line 9 of file wait.h.

WAIT_ANY

#define WAIT_ANY   0

Definition at line 16 of file wait.h.

WEXITSTATUS

#define WEXITSTATUS

(

_x

)

(_x & 0x000000ff)

Definition at line 8 of file wait.h.

WGETPID

#define WGETPID

(

_x

)

((pid_t)(_x >> 16))

Definition at line 13 of file wait.h.

WIFEXITED

#define WIFEXITED

(

_x

)

(_WSTATUS(_x) == 0)

Definition at line 11 of file wait.h.

Function Documentation

wait()

pid_t wait

(

int *

status

)

Definition at line 49 of file process.c.

{
    return waitpid(WAIT_ANY, status, 0);
}

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waitpid()

pid_t waitpid	(	pid_t	pid,
		int *	status,
		int	options
	)