linux-kernel - [PATCH 5/8] tools/nolibc/sys: add syscall definition for getppid()

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Message-Id: <20220321173314.7519-6-w@1wt.eu>
Date:   Mon, 21 Mar 2022 18:33:11 +0100
From:   Willy Tarreau <w@....eu>
To:     "Paul E . McKenney" <paulmck@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Ammar Faizi <ammarfaizi2@...weeb.org>
Subject: [PATCH 5/8] tools/nolibc/sys: add syscall definition for getppid()

This is essentially for completeness as it's not the most often used
in regtests.

Signed-off-by: Willy Tarreau <w@....eu>
---
 tools/include/nolibc/sys.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 28437863c63f..4d4308d5d111 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -464,6 +464,23 @@ pid_t getpid(void)
 }

+/*
+ * pid_t getppid(void);
+ */
+
+static __attribute__((unused))
+pid_t sys_getppid(void)
+{
+	return my_syscall0(__NR_getppid);
+}
+
+static __attribute__((unused))
+pid_t getppid(void)
+{
+	return sys_getppid();
+}
+
+
 /*
  * pid_t gettid(void);
  */
-- 
2.35.1