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Diffstat (limited to 'sysdeps/unix/bsd/sun/sunos4/wait4.c')
-rw-r--r--sysdeps/unix/bsd/sun/sunos4/wait4.c50
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 0000000000..097c15e7d9
--- /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)