45 lines
991 B
C
45 lines
991 B
C
#ifndef _SYS_WAIT_H
|
|
#define _SYS_WAIT_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#define WNOHANG 1
|
|
#define WUNTRACED 2
|
|
|
|
/* A status looks like:
|
|
<2 bytes info> <2 bytes code>
|
|
|
|
<code> == 0, child has exited, info is the exit value
|
|
<code> == 1..7e, child has exited, info is the signal number.
|
|
<code> == 7f, child has stopped, info was the signal number.
|
|
<code> == 80, there was a core dump.
|
|
*/
|
|
|
|
#define WIFEXITED(w) (((w) & 0xff) == 0)
|
|
#define WIFSIGNALED(w) (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))
|
|
#define WIFSTOPPED(w) (((w) & 0xff) == 0x7f)
|
|
#define WEXITSTATUS(w) (((w) >> 8) & 0xff)
|
|
#define WTERMSIG(w) ((w) & 0x7f)
|
|
#define WSTOPSIG WEXITSTATUS
|
|
|
|
pid_t wait (int *);
|
|
pid_t waitpid (pid_t, int *, int);
|
|
|
|
#ifdef _COMPILING_NEWLIB
|
|
pid_t _wait (int *);
|
|
#endif
|
|
|
|
/* Provide prototypes for most of the _<systemcall> names that are
|
|
provided in newlib for some compilers. */
|
|
pid_t _wait (int *);
|
|
|
|
#ifdef __cplusplus
|
|
};
|
|
#endif
|
|
|
|
#endif
|