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1999-11-17
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893b
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36 lines
/*
* POSIX <sys/wait.h>
*/
#if __STDC__
#define ARGS(args) args
#else
#define ARGS(args) ()
#endif
#ifndef sparc
typedef int pid_t; /* belong in sys/types.h */
#endif
#ifdef sparc
# include "/usr/include/sys/wait.h"
#else
/* waitpid options */
#define WNOHANG 1 /* don't hang in wait */
#define WUNTRACED 2 /* tell about stopped, untraced children */
#define WSTOPPED 0x7F /* process is stopped */
#define WIFSTOPPED(x) (((x)&0xFF) == 0x7F)
#define WIFSIGNALED(x) (((x)&0xFF) != 0x7F && ((x)&0x7F) != 0)
#define WIFEXITED(x) (((x)&0xFF) != 0x7F && ((x)&0x7F) == 0)
#define WIFCORED(x) (!!((x)&0x80)) /* non-standard */
#define WEXITSTATUS(x) ((x)>>8&0xFF)
#define WTERMSIG(x) ((x)&0x7F)
#define WSTOPSIG(x) ((x)>>8&0xFF)
pid_t wait ARGS((int *statp));
#if _BSD
pid_t wait3 ARGS((int *statp, int options, Void *));
/* todo: does not emulate pid argument */
#define waitpid(pid, sp, op