wait.h File Reference

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

Include dependency graph for wait.h:

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Macros
#define	WEXITSTATUS(s)   (((s) >> 8) & 0xff) /* Return exit status */
#define	WIFEXITED(s)   (((s) & 0xff) == 0) /* True: Child exited normally */
#define	WIFCONTINUED(s)   (false) /* True: Child has been continued */
#define	WIFSIGNALED(s)   (false) /* True: Child exited due to uncaught signal */
#define	WIFSTOPPED(s)   (false) /* True: Child is currently stopped */
#define	WSTOPSIG(s)   (false) /* Return signal number that caused process to stop */
#define	WTERMSIG(s)   (false) /* Return signal number that caused process to terminate */
#define	WCONTINUED   (1 << 0) /* Status for child that has been continued (1)(2) */
#define	WNOHANG   (1 << 1) /* Do not wait if status not available (1) (2) */
#define	WUNTRACED   (1 << 2) /* Report status of stopped child process (1) */
#define	WEXITED   (1 << 3) /* Wait for processes that have exited (2) */
#define	WSTOPPED   (1 << 4) /* Status for child stopped on signal (2) */
#define	WNOWAIT   (1 << 5) /* Keep the process in a waitable state (2) */
#define	EXTERN   extern

Typedefs
typedef enum idtype_e	idtype_t

Enumerations

Functions
EXTERN pid_t	wait (FAR int *stat_loc)
	suspend execution of the calling thread More...
EXTERN int	waitid (idtype_t idtype, id_t id, FAR siginfo_t *info, int options)
	suspend execution of the calling thread More...
EXTERN pid_t	waitpid (pid_t pid, FAR int *stat_loc, int options)
	suspend execution of the calling thread More...

Macro Definition Documentation

#define EXTERN   extern

Definition at line 122 of file wait.h.

#define WCONTINUED   (1 << 0) /* Status for child that has been continued (1)(2) */

Definition at line 90 of file wait.h.

#define WEXITED   (1 << 3) /* Wait for processes that have exited (2) */

Definition at line 93 of file wait.h.

#define WEXITSTATUS

(

s

)

(((s) >> 8) & 0xff) /* Return exit status */

Definition at line 77 of file wait.h.

#define WIFCONTINUED

(

s

)

(false) /* True: Child has been continued */

Definition at line 80 of file wait.h.

#define WIFEXITED

(

s

)

(((s) & 0xff) == 0) /* True: Child exited normally */

Definition at line 78 of file wait.h.

#define WIFSIGNALED

(

s

)

(false) /* True: Child exited due to uncaught signal */

Definition at line 81 of file wait.h.

#define WIFSTOPPED

(

s

)

(false) /* True: Child is currently stopped */

Definition at line 82 of file wait.h.

#define WNOHANG   (1 << 1) /* Do not wait if status not available (1) (2) */

Definition at line 91 of file wait.h.

#define WNOWAIT   (1 << 5) /* Keep the process in a waitable state (2) */

Definition at line 95 of file wait.h.

#define WSTOPPED   (1 << 4) /* Status for child stopped on signal (2) */

Definition at line 94 of file wait.h.

#define WSTOPSIG

(

s

)

(false) /* Return signal number that caused process to stop */

Definition at line 83 of file wait.h.

#define WTERMSIG

(

s

)

(false) /* Return signal number that caused process to terminate */

Definition at line 84 of file wait.h.

#define WUNTRACED   (1 << 2) /* Report status of stopped child process (1) */

Definition at line 92 of file wait.h.

Typedef Documentation

typedef enum idtype_e idtype_t

Definition at line 111 of file wait.h.