/usr/include/newlib/sys/wait.h is in libnewlib-dev 2.4.0.20160527-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | #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:
<1 byte info> <1 byte 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
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