feature: Newlib support signal.

修改signal适配支持Newlic

close #I4RD3H
Signed-off-by: NJerryH <huangjieliang@huawei.com>
Change-Id: I59f59856a275f5a4f802a1ea7d08e9405a2fb6aa

components/signal/BUILD.gn

@@ -31,6 +31,7 @@ import("//kernel/liteos_m/liteos.gni")
 module_name = get_path_info(rebase_path("."), "name")
 kernel_module(module_name) {
   sources = [ "los_signal.c" ]
+  configs += [ "$LITEOSTOPDIR:warn_config" ]
 }
 
 config("public") {

components/signal/Kconfig

 config KERNEL_SIGNAL
     bool "Enable Signal"
-    default n
+    default y
     depends on KERNEL_EXTKERNEL
     help
       Select y to build LiteOS with signal.

kal/posix/Kconfig

@@ -62,13 +62,13 @@ config POSIX_MQUEUE_API
 
 config POSIX_PIPE_API
     bool "Enable POSIX Pipe API"
-    default n
+    default y
     help
       Answer Y to enable LiteOS support POSIX Pipe API.
 
 config POSIX_SIGNAL_API
     bool "Enable POSIX Signal API"
-    default n
+    default y
     depends on KERNEL_SIGNAL
     help
       Answer Y to enable LiteOS support POSIX Signal API.

kal/posix/src/pipe.c

@@ -28,7 +28,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/fcntl.h>
+#include <fcntl.h>
 #include <poll.h>
 #include "securec.h"
 #include "los_fs.h"

kal/posix/src/signal.c

@@ -77,60 +77,6 @@ void (*signal(int sig, void (*func)(int)))(int)
     return h;
 }
 
-int sigemptyset(sigset_t *set)
-{
-    if (set == NULL) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    *set = 0;
-    return 0;
-}
-
-int sigfillset(sigset_t *set)
-{
-    if (set == NULL) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    *set = ~0;
-    return 0;
-}
-
-int sigaddset(sigset_t *set, int sig)
-{
-    if ((set == NULL) || !OS_SIGNAL_VALID(sig)) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    *set |= LOS_SIGNAL_MASK(sig);
-    return 0;
-}
-
-int sigdelset(sigset_t *set, int sig)
-{
-    if ((set == NULL) || !OS_SIGNAL_VALID(sig)) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    *set &= ~LOS_SIGNAL_MASK(sig);
-    return 0;
-}
-
-int sigismember(const sigset_t *set, int sig)
-{
-    if ((set == NULL) || !OS_SIGNAL_VALID(sig)) {
-        errno = EINVAL;
-        return -1;
-    }
-
-    return ((*set & LOS_SIGNAL_MASK(sig)) != 0);
-}
-
 int sigprocmask(int how, const sigset_t *set, sigset_t *oset)
 {
     unsigned int ret = LOS_SignalMask(how, set, oset);