tools/nolibc/sys: make getpgrp(), getpid(), gettid() not set errno

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

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 539af457a91b0f60c8abf12e5a1f05c47e7e125e..ef017cc0a580d25d0b424da864401a703a8588ae 100644 (file)
--- 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();
 }