[PATCH 27/42] tools/nolibc/sys: make getpgrp(), getpid(), gettid() not set errno

From: Willy Tarreau
Date: Mon Feb 07 2022 - 11:45:03 EST


These syscalls never fail so there is no need to extract and set errno
for them.

Signed-off-by: Willy Tarreau <w@xxxxxx>
---
tools/include/nolibc/sys.h | 24 +++---------------------
1 file changed, 3 insertions(+), 21 deletions(-)

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 539af457a91b..ef017cc0a580 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -458,13 +458,7 @@ pid_t sys_getpgrp(void)
static __attribute__((unused))
pid_t getpgrp(void)
{
- pid_t ret = sys_getpgrp();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
+ return sys_getpgrp();
}


@@ -481,13 +475,7 @@ pid_t sys_getpid(void)
static __attribute__((unused))
pid_t getpid(void)
{
- pid_t ret = sys_getpid();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
+ return sys_getpid();
}


@@ -504,13 +492,7 @@ pid_t sys_gettid(void)
static __attribute__((unused))
pid_t gettid(void)
{
- pid_t ret = sys_gettid();
-
- if (ret < 0) {
- SET_ERRNO(-ret);
- ret = -1;
- }
- return ret;
+ return sys_gettid();
}


--
2.35.1