From: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed, 15 Jul 2015 01:50:27 +0000 (+0000)
Subject: tests: add wait.test
X-Git-Tag: v4.11~235
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cde9ef71838f5f9906d5ee846461973f0e68ee1b;p=strace

tests: add wait.test

* tests/wait.c: New file.
* tests/wait.expected: Likewise.
* tests/wait.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add wait.
(TESTS): Add wait.test.
(EXTRA_DIST): Add wait.expected.
* tests/.gitignore: Add wait.
---

diff --git a/tests/.gitignore b/tests/.gitignore
index ef0d5738..b48e870c 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -53,6 +53,7 @@ umovestr2
 unix-pair-send-recv
 utime
 utimensat
+wait
 xattr
 xet_robust_list
 *.log
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 316cc409..bb8e9bc8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -66,6 +66,7 @@ check_PROGRAMS = \
 	unix-pair-send-recv \
 	utime \
 	utimensat \
+	wait \
 	xattr \
 	xet_robust_list \
 	# end of check_PROGRAMS
@@ -139,6 +140,7 @@ TESTS = \
 	uio.test \
 	utime.test \
 	utimensat.test \
+	wait.test \
 	xattr.test \
 	xet_robust_list.test \
 	count.test \
@@ -191,6 +193,7 @@ EXTRA_DIST = init.sh run.sh match.awk \
 	     umovestr.expected \
 	     unix-yy-accept.awk \
 	     unix-yy-connect.awk \
+	     wait.expected \
 	     xattr.expected \
 	     $(TESTS)
 
diff --git a/tests/wait.c b/tests/wait.c
new file mode 100644
index 00000000..6f27d9c7
--- /dev/null
+++ b/tests/wait.c
@@ -0,0 +1,67 @@
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <assert.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <sys/resource.h>
+
+int
+main(void)
+{
+	int fds[2];
+	int s;
+	pid_t pid;
+	struct rusage rusage = {};
+	siginfo_t info = {};
+
+	(void) close(0);
+	(void) close(1);
+	assert(!pipe(fds) && fds[0] == 0 && fds[1] == 1);
+
+	pid = fork();
+	assert(pid >= 0);
+	if (!pid) {
+		char c;
+		(void) close(1);
+		assert(read(0, &c, sizeof(c)) == 1);
+		return 42;
+	}
+
+	(void) close(0);
+	assert(wait4(pid, &s, WNOHANG | __WALL, NULL) == 0);
+	assert(waitid(P_PID, pid, &info, WNOHANG | WEXITED) == 0);
+
+	assert(write(1, "", 1) == 1);
+	(void) close(1);
+	assert(wait4(pid, &s, 0, &rusage) == pid);
+	assert(WIFEXITED(s) && WEXITSTATUS(s) == 42);
+
+	pid = fork();
+	assert(pid >= 0);
+	if (!pid) {
+		(void) raise(SIGUSR1);
+		return 77;
+	}
+	assert(wait4(pid, &s, __WALL, NULL) == pid);
+	assert(WIFSIGNALED(s) && WTERMSIG(s) == SIGUSR1);
+
+	pid = fork();
+	assert(pid >= 0);
+	if (!pid) {
+		raise(SIGSTOP);
+		return 0;
+	}
+	assert(wait4(pid, &s, WUNTRACED, NULL) == pid);
+	assert(WIFSTOPPED(s) && WSTOPSIG(s) == SIGSTOP);
+
+	assert(kill(pid, SIGCONT) == 0);
+	assert(waitid(P_PID, pid, &info, WEXITED | WSTOPPED) == 0);
+	assert(info.si_code == CLD_EXITED && info.si_status == 0);
+
+	assert(wait4(-1, &s, WNOHANG | WUNTRACED | __WALL, &rusage) == -1);
+
+	return 0;
+}
diff --git a/tests/wait.expected b/tests/wait.expected
new file mode 100644
index 00000000..53140cb0
--- /dev/null
+++ b/tests/wait.expected
@@ -0,0 +1,11 @@
+wait4\([[:digit:]]+, 0x[[:xdigit:]]+, WNOHANG\|__WALL, NULL\) += 0
+waitid\(P_PID, [[:digit:]]+, \{\}, WNOHANG\|WEXITED, NULL\) += 0
+wait4\([[:digit:]]+, \[\{WIFEXITED\(s\) && WEXITSTATUS\(s\) == 42\}\], 0, \{ru_utime=\{[[:digit:]], [[:digit:]]+\}, ru_stime=\{[[:digit:]], [[:digit:]]+\}, ru_maxrss=[[:digit:]]+, ru_ixrss=0, ru_idrss=0, ru_isrss=0, ru_minflt=[[:digit:]]+, ru_majflt=[[:digit:]]+, ru_nswap=0, ru_inblock=[[:digit:]]+, ru_oublock=[[:digit:]]+, ru_msgsnd=0, ru_msgrcv=0, ru_nsignals=0, ru_nvcsw=[[:digit:]]+, ru_nivcsw=[[:digit:]]+\}\) += [[:digit:]]+
+--- SIGCHLD \{si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=[[:digit:]]+, si_uid=[[:digit:]]+, si_status=42, si_utime=[[:digit:]], si_stime=[[:digit:]]} ---
+wait4\([[:digit:]]+, \[\{WIFSIGNALED\(s\) && WTERMSIG\(s\) == SIGUSR1\}\], __WALL, NULL\) += [[:digit:]]+
+--- SIGCHLD \{si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=[[:digit:]]+, si_uid=[[:digit:]]+, si_status=SIGUSR1, si_utime=[[:digit:]], si_stime=[[:digit:]]\} ---
+wait4\([[:digit:]]+, \[\{WIFSTOPPED\(s\) && WSTOPSIG\(s\) == SIGSTOP\}\], WSTOPPED, NULL\) += [[:digit:]]+
+--- SIGCHLD \{si_signo=SIGCHLD, si_code=CLD_STOPPED, si_pid=[[:digit:]]+, si_uid=[[:digit:]]+, si_status=SIGSTOP, si_utime=[[:digit:]], si_stime=[[:digit:]]\} ---
+--- SIGCHLD \{si_signo=SIGCHLD, si_code=CLD_CONTINUED, si_pid=[[:digit:]]+, si_uid=[[:digit:]]+, si_status=SIGCONT, si_utime=[[:digit:]], si_stime=[[:digit:]]\} ---
+waitid\(P_PID, [[:digit:]]+, \{si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=[[:digit:]]+, si_uid=[[:digit:]]+, si_status=0, si_utime=[[:digit:]], si_stime=[[:digit:]]\}, WEXITED\|WSTOPPED, NULL\) += 0
+wait4\(-1, 0x[[:xdigit:]]+, WNOHANG\|WSTOPPED\|__WALL, 0x[[:xdigit:]]+\) += -1 ECHILD .*
diff --git a/tests/wait.test b/tests/wait.test
new file mode 100755
index 00000000..9d1705f8
--- /dev/null
+++ b/tests/wait.test
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Check wait4 and waitid syscalls decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog
+run_strace -v -e wait4,waitid $args
+match_grep
+
+exit 0