diff options
Diffstat (limited to 'sysdeps/unix/bsd/sun/sunos4/wait4.c')
-rw-r--r-- | sysdeps/unix/bsd/sun/sunos4/wait4.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/sun/sunos4/wait4.c b/sysdeps/unix/bsd/sun/sunos4/wait4.c new file mode 100644 index 0000000..097c15e --- /dev/null +++ b/sysdeps/unix/bsd/sun/sunos4/wait4.c @@ -0,0 +1,50 @@ +/* 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) 1991,1992,1993,1995,1997,2004 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +extern pid_t __wait4_syscall (pid_t pid, __WAIT_STATUS_DEFN stat_loc, + int options, struct rusage *usage); + +pid_t +__wait4 (pid, stat_loc, options, usage) + pid_t pid; + __WAIT_STATUS_DEFN stat_loc; + int options; + struct rusage *usage; +{ + switch (pid) + { + case WAIT_ANY: + pid = 0; + break; + + case WAIT_MYPGRP: + pid = - getpgrp (); + break; + } + + return __wait4_syscall (pid, stat_loc, options, usage); +} + +weak_alias (__wait4, wait4) |