#include <sys/wait.h>

sys/wait.h Kernel.framework

includes: sys/cdefs.h, sys/_types.h, Kernel/sys/_types/_pid_t.h, Kernel/sys/_types/_id_t.h, sys/signal.h, sys/resource.h, machine/endian.h

2 macros · 1 union

macroWEXITSTATUS

#define WEXITSTATUS(x) (_W_INT(x) >> 8)

unionwait

Deprecated: Structure of the information in the status word returned by wait4. If w_stopval==_WSTOPPED, then the second structure describes the information returned, else the first.

size 4, align 4

int

w_status

used in syscall

unnamed struct at Kernel/sys/wait.h:199:2

w_T

Terminated process status.

unsigned int:7	w_Termsig	termination signal
unsigned int:1	w_Coredump	core dump indicator
unsigned int:8	w_Retcode	exit code if w_termsig==0
unsigned int:16	w_Filler	upper bits filler

unnamed struct at Kernel/sys/wait.h:217:2

w_S

Stopped process status. Returned only for traced children unless requested with the WUNTRACED option bit.

unsigned int:8	w_Stopval	== W_STOPPED if stopped
unsigned int:8	w_Stopsig	signal that stopped us
unsigned int:16	w_Filler	upper bits filler

macroWSTOPPED

Stopped state value; cannot use waitid() parameter of the same name in the same scope

#define WSTOPPED _WSTOPPED