Module Name: src Committed By: kamil Date: Fri Mar 6 17:03:35 UTC 2020
Modified Files: src/tests/lib/libc/sys: t_ptrace_wait.h Log Message: Add await_collected() This functions waits for collecting a process. To generate a diff of this commit: cvs rdiff -u -r1.23 -r1.24 src/tests/lib/libc/sys/t_ptrace_wait.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/tests/lib/libc/sys/t_ptrace_wait.h diff -u src/tests/lib/libc/sys/t_ptrace_wait.h:1.23 src/tests/lib/libc/sys/t_ptrace_wait.h:1.24 --- src/tests/lib/libc/sys/t_ptrace_wait.h:1.23 Tue Mar 3 17:09:22 2020 +++ src/tests/lib/libc/sys/t_ptrace_wait.h Fri Mar 6 17:03:35 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: t_ptrace_wait.h,v 1.23 2020/03/03 17:09:22 kamil Exp $ */ +/* $NetBSD: t_ptrace_wait.h,v 1.24 2020/03/06 17:03:35 kamil Exp $ */ /*- * Copyright (c) 2016, 2017, 2018, 2019 The NetBSD Foundation, Inc. @@ -463,6 +463,33 @@ await_stopped_child(pid_t process) return child; } +static void __used +await_collected(pid_t process) +{ + struct kinfo_proc2 p; + size_t len = sizeof(p); + + const int name[] = { + [0] = CTL_KERN, + [1] = KERN_PROC2, + [2] = KERN_PROC_PID, + [3] = process, + [4] = sizeof(p), + [5] = 1 + }; + + const size_t namelen = __arraycount(name); + + /* Await the process to disappear */ + while(1) { + FORKEE_ASSERT_EQ(sysctl(name, namelen, &p, &len, NULL, 0), 0); + if (len == 0) + break; + + ATF_REQUIRE(usleep(1000) == 0); + } +} + /* Happy number sequence -- this function is used to just consume cpu cycles */ #define HAPPY_NUMBER 1