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authorIgor Pashev <pashev.igor@gmail.com>2012-06-05 02:09:04 +0400
committerIgor Pashev <pashev.igor@gmail.com>2012-06-05 02:09:04 +0400
commit415ee7d6e47dcb3e0906a7bebc6d52ab8ed899da (patch)
treef7773ad82023c8616b339d84faa4bb7643af0311 /sysdeps/unix/sysv/solaris2/kopensolaris-gnu/wait4.c
parent3cc0cd4c5b3bed6f7d9aff26322d505785e11aa9 (diff)
downloadglibc-415ee7d6e47dcb3e0906a7bebc6d52ab8ed899da.tar.gz
Merged changes from kopensolaris-gnu project
http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu/glibc.git Commits from 9157319 to bad8ac8. This is only partial patch, some changes to not apply and will be resovled and committed next.
Diffstat (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/wait4.c')
-rw-r--r--sysdeps/unix/sysv/solaris2/kopensolaris-gnu/wait4.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/wait4.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/wait4.c
new file mode 100644
index 0000000000..9f8cfada0a
--- /dev/null
+++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/wait4.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
+
+ 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/resource.h>
+#include <sys/wait.h>
+#include <sys/times.h>
+#include <time.h>
+
+/* Solaris only supports user/system time fields of rusage for wait. */
+
+pid_t
+__wait4 (__pid_t pid, __WAIT_STATUS stat_loc, int options,
+ struct rusage *usage)
+{
+ /* start time */
+ struct tms start;
+ if (usage && times (&start) == (clock_t)-1)
+ return -1;
+
+ /* wait */
+ pid = __waitpid (pid, stat_loc.__iptr, options);
+ if (pid == -1)
+ return -1;
+
+ /* end time */
+ struct tms end;
+ if (usage && times (&end) == (clock_t)-1)
+ return -1;
+
+ /* compute deltas */
+ if (usage)
+ {
+ clock_t dutime = end.tms_cutime - start.tms_cutime;
+ clock_t dstime = end.tms_cstime - start.tms_cstime;
+ usage->ru_utime.tv_sec = dutime / CLOCKS_PER_SEC;
+ usage->ru_utime.tv_usec = (dutime % CLOCKS_PER_SEC) * (1000000 / CLOCKS_PER_SEC);
+ usage->ru_stime.tv_sec = dstime / CLOCKS_PER_SEC;
+ usage->ru_stime.tv_usec = (dstime % CLOCKS_PER_SEC) * (1000000 / CLOCKS_PER_SEC);
+ }
+
+ return pid;
+}
+weak_alias (__wait4, wait4)