From d8fffb8dff41ceb7fb0f7c4916cbd8826bb0ab0e Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 8 Aug 1991 02:14:02 +0000 Subject: [PATCH] Initial revision --- sysdeps/unix/bsd/sun/sunos4/Makefile | 3 +++ sysdeps/unix/bsd/sun/sunos4/sys_wait4.S | 22 +++++++++++++++++ sysdeps/unix/bsd/sun/sunos4/wait4.c | 44 +++++++++++++++++++++++++++++++++ sysdeps/unix/bsd/sun/sunos4/waitpid.c | 42 +++++++++++++++++++++++++++++++ 4 files changed, 111 insertions(+) create mode 100644 sysdeps/unix/bsd/sun/sunos4/Makefile create mode 100644 sysdeps/unix/bsd/sun/sunos4/sys_wait4.S create mode 100644 sysdeps/unix/bsd/sun/sunos4/wait4.c create mode 100644 sysdeps/unix/bsd/sun/sunos4/waitpid.c diff --git a/sysdeps/unix/bsd/sun/sunos4/Makefile b/sysdeps/unix/bsd/sun/sunos4/Makefile new file mode 100644 index 0000000..550ccbb --- /dev/null +++ b/sysdeps/unix/bsd/sun/sunos4/Makefile @@ -0,0 +1,3 @@ +ifeq ($(subdir), posix) +sysdep_routines := $(sysdep_routines) __wait4_syscall +endif diff --git a/sysdeps/unix/bsd/sun/sunos4/sys_wait4.S b/sysdeps/unix/bsd/sun/sunos4/sys_wait4.S new file mode 100644 index 0000000..dee21b7 --- /dev/null +++ b/sysdeps/unix/bsd/sun/sunos4/sys_wait4.S @@ -0,0 +1,22 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include + +PSEUDO (__wait4_syscall, wait4) + ret diff --git a/sysdeps/unix/bsd/sun/sunos4/wait4.c b/sysdeps/unix/bsd/sun/sunos4/wait4.c new file mode 100644 index 0000000..1ee7bea --- /dev/null +++ b/sysdeps/unix/bsd/sun/sunos4/wait4.c @@ -0,0 +1,44 @@ +/* This implements wait4 with the 4.4 BSD semantics (also those documented in + SunOS 4.1) on top of SunOS's wait4 system call, which has semantics + different from those documented. Go Sun! + +Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include + +pid_t +DEFUN(__wait4, (pid, stat_loc, options, usage), + pid_t pid AND union wait *stat_loc AND int options AND PTR usage) +{ + switch (pid) + { + case WAIT_ANY: + pid = 0; + break; + + case WAIT_MYPGRP: + pid = - __getpgrp (0); + break; + } + + return __wait4_syscall (pid, stat_loc, option, usage); +} diff --git a/sysdeps/unix/bsd/sun/sunos4/waitpid.c b/sysdeps/unix/bsd/sun/sunos4/waitpid.c new file mode 100644 index 0000000..06f55dd --- /dev/null +++ b/sysdeps/unix/bsd/sun/sunos4/waitpid.c @@ -0,0 +1,42 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include +#include + + +/* Wait for a child matching PID to die. + If PID is greater than 0, match any process whose process ID is PID. + If PID is (pid_t) -1, match any process. + If PID is (pid_t) 0, match any process with the + same process group as the current process. + If PID is less than -1, match any process whose + process group is the absolute value of PID. + If the WNOHANG bit is set in OPTIONS, and that child + is not already dead, return (pid_t) 0. If successful, + return PID and store the dead child's status in STAT_LOC. + Return (pid_t) -1 for errors. If the WUNTRACED bit is set in OPTIONS, + return status for stopped children; otherwise don't. */ +pid_t +DEFUN(__waitpid, (pid, stat_loc, options), + pid_t pid AND int *stat_loc AND int options) +{ + return __wait4 (pid, stat_loc, options, NULL); +} -- 2.7.4