diff options
Diffstat (limited to 'mit-pthreads/machdep/irix-5.2/wait.h')
| -rwxr-xr-x | mit-pthreads/machdep/irix-5.2/wait.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/irix-5.2/wait.h b/mit-pthreads/machdep/irix-5.2/wait.h new file mode 100755 index 00000000000..c0a7e7113d8 --- /dev/null +++ b/mit-pthreads/machdep/irix-5.2/wait.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 1982, 1986 Regents of the University of California. + * All rights reserved. The Berkeley software License Agreement + * specifies the terms and conditions for redistribution. + * + * @(#)wait.h 7.4 (Berkeley) 1/27/88 + */ +#ifndef __SYS_WAIT_H__ +#define __SYS_WAIT_H__ + +#ifdef _POSIX_SOURCE +#define _W_INT(i) (i) +#else +#define _W_INT(w) (*(int *)&(w)) /* convert union wait to int */ +#define WCOREFLAG 0200 +#endif + +#define WSTOPFLG 0177 +#define WIFSTOPPED(stat) ((_W_INT(stat)&0377)==_WSTOPPED&&((_W_INT(stat)>>8)&0377)!=0) +#define WSTOPSIG(stat) ((_W_INT(stat)>>8)&0377) +#define WIFSIGNALED(stat) ((_W_INT(stat)&0377)>0&&((_W_INT(stat)>>8)&0377)==0) +#define WTERMSIG(stat) (_W_INT(stat)&0177) +#define WIFEXITED(stat) ((_W_INT(stat)&0377)==0) +#define WEXITSTATUS(stat) ((_W_INT(stat)>>8)&0377) +#define WCOREDUMP(stat) (_W_INT(stat) & WCOREFLAG) + +/* + * Option bits for the second argument of wait3. WNOHANG causes the + * wait to not hang if there are no stopped or terminated processes, rather + * returning an error indication in this case (pid==0). WUNTRACED + * indicates that the caller should receive status about untraced children + * which stop due to signals. If children are stopped and a wait without + * this option is done, it is as though they were still running... nothing + * about them is returned. + */ +#define WNOHANG 0100 +#define WUNTRACED 0004 /* for POSIX */ + +#if !defined(_POSIX_SOURCE) + +/* + * Structure of the information in the first word returned by both + * wait and wait3. If w_stopval==_WSTOPPED, then the second structure + * describes the information returned, else the first. See WUNTRACED below. + */ +typedef union wait { + int w_status; /* used in syscall */ + /* + * Terminated process status. + */ + struct { +#ifdef _MIPSEL + unsigned int w_Termsig:7, /* termination signal */ + w_Coredump:1, /* core dump indicator */ + w_Retcode:8, /* exit code if w_termsig==0 */ + w_Filler:16; /* upper bits filler */ +#endif +#ifdef _MIPSEB + unsigned int w_Filler:16, /* upper bits filler */ + w_Retcode:8, /* exit code if w_termsig==0 */ + w_Coredump:1, /* core dump indicator */ + w_Termsig:7; /* termination signal */ +#endif + } w_T; + /* + * Stopped process status. Returned + * only for traced children unless requested + * with the WUNTRACED option bit. + */ + struct { +#ifdef _MIPSEL + unsigned int w_Stopval:8, /* == W_STOPPED if stopped */ + w_Stopsig:8, /* signal that stopped us */ + w_Filler:16; /* upper bits filler */ +#endif +#ifdef _MIPSEB + unsigned int w_Filler:16, /* upper bits filler */ + w_Stopsig:8, /* signal that stopped us */ + w_Stopval:8; /* == W_STOPPED if stopped */ +#endif + } w_S; +} wait_t; +#define w_termsig w_T.w_Termsig +#define w_coredump w_T.w_Coredump +#define w_retcode w_T.w_Retcode +#define w_stopval w_S.w_Stopval +#define w_stopsig w_S.w_Stopsig + + + +#define WSTOPPED 0004 /* wait for processes stopped by signals */ +#endif /* !defined(_POSIX_SOURCE) */ + +#include <sys/types.h> +#include <sys/cdefs.h> +__BEGIN_DECLS +pid_t wait __P_((int *)); +pid_t waitpid __P_((pid_t, int *, int)); +#ifndef _POSIX_SOURCE +pid_t wait3 __P_((int *, int, void *)); +pid_t wait4 __P_((pid_t, int *, int, void *)); +#endif + +#endif /* __SYS_WAIT_H__ */ |