git: 4e06e622b107 - stable/14 - pwait: Avoid calling getpid(2) for each proc.

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Thu, 30 Oct 2025 10:38:45 UTC
The branch stable/14 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=4e06e622b1070b618ecb37afa5ba5876f913a682

commit 4e06e622b1070b618ecb37afa5ba5876f913a682
Author:     Bryan Drewery <bdrewery@FreeBSD.org>
AuthorDate: 2025-10-10 18:00:35 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2025-10-30 10:38:18 +0000

    pwait: Avoid calling getpid(2) for each proc.
    
    (cherry picked from commit ab4abce6c2c2091a3b9ea1f38cbef94ee7a68090)
---
 bin/pwait/pwait.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bin/pwait/pwait.c b/bin/pwait/pwait.c
index b402328849ef..b2fea04c1b72 100644
--- a/bin/pwait/pwait.c
+++ b/bin/pwait/pwait.c
@@ -65,6 +65,7 @@ main(int argc, char *argv[])
 	char *end, *s;
 	double timeout;
 	long pid;
+	pid_t mypid;
 	int i, kq, n, nleft, opt, status;
 	bool oflag, tflag, verbose;
 
@@ -138,6 +139,7 @@ main(int argc, char *argv[])
 		err(EX_OSERR, "malloc");
 	}
 	nleft = 0;
+	mypid = getpid();
 	for (n = 0; n < argc; n++) {
 		s = argv[n];
 		/* Undocumented Solaris compat */
@@ -150,7 +152,7 @@ main(int argc, char *argv[])
 			warnx("%s: bad process id", s);
 			continue;
 		}
-		if (pid == getpid()) {
+		if (pid == mypid) {
 			warnx("%s: skipping my own pid", s);
 			continue;
 		}