git: e2c59d8dff4b - main - stress2: Fix process handling error

[Peter Holm]

The branch main has been updated by pho:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=e2c59d8dff4b3e57fed56410194c8959647b98d8

commit e2c59d8dff4b3e57fed56410194c8959647b98d8
Author:     Peter Holm <p...@freebsd.org>
AuthorDate: 2022-06-20 12:35:59 +0000
Commit:     Peter Holm <p...@freebsd.org>
CommitDate: 2022-06-20 12:35:59 +0000

    stress2: Fix process handling error
---
 tools/test/stress2/misc/mlockall6.sh | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/test/stress2/misc/mlockall6.sh 
b/tools/test/stress2/misc/mlockall6.sh
index b83e033736fc..33b20ce3137a 100755
--- a/tools/test/stress2/misc/mlockall6.sh
+++ b/tools/test/stress2/misc/mlockall6.sh
@@ -140,7 +140,7 @@ test2(void)
        for (i = 0; i < 100000 && share2[R2] == 0; i++)
                touch();        /* while child is running */
 
-       if (waitpid(pid, &status, 0) == -1)
+       if (waitpid(pid, &status, 0) != pid)
                err(1, "wait");
 
        if (status != 0)
@@ -169,7 +169,7 @@ test(void)
 int
 main(void)
 {
-       pid_t pid;
+       pid_t pids[PARALLEL];
        size_t len;
        time_t start;
        int i, s, status;
@@ -183,12 +183,13 @@ main(void)
        s = 0;
        while (s == 0 && (time(NULL) - start) < RUNTIME) {
                for (i = 0; i < PARALLEL; i++) {
-                       if ((pid = fork()) == 0)
+                       if ((pids[i] = fork()) == 0)
                                test();
                }
                atomic_add_int(&share[R0], 1);  /* Start test() runs */
                for (i = 0; i < PARALLEL; i++) {
-                       waitpid(pid, &status, 0);
+                       if (waitpid(pids[i], &status, 0) != pids[i])
+                               err(1, "wait");
                        if (status != 0) {
                                fprintf(stderr, "FAIL: status = %d\n",
                                    status);