linux-kernel - [PATCH nolibc 47/61] tools/nolibc/sys: add syscall definition for getppid()

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Message-Id: <20220419004225.3952530-47-paulmck@kernel.org>
Date:   Mon, 18 Apr 2022 17:42:11 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     gwml@...r.gnuweeb.org, kernel-team@...com, w@....eu,
        Willy Tarreau <w@....eu>,
        "Paul E . McKenney" <paulmck@...nel.org>
Subject: [PATCH nolibc 47/61] tools/nolibc/sys: add syscall definition for getppid()

From: Willy Tarreau <w@....eu>

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

Signed-off-by: Willy Tarreau <w@....eu>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 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);
  */
-- 
2.31.1.189.g2e36527f23