Move signal.h functions into their own directory.

libc/Makefile

@@ -67,11 +67,11 @@ op-new.o \
 rewind.o \
 setbuf.o \
 setvbuf.o \
-sigaddset.o \
-sigdelset.o \
-sigemptyset.o \
-sigfillset.o \
-sigismember.o \
+signal/sigaddset.o \
+signal/sigdelset.o \
+signal/sigemptyset.o \
+signal/sigfillset.o \
+signal/sigismember.o \
 sprint.o \
 sscanf.o \
 stdlib/abort.o \
@@ -250,7 +250,6 @@ ioctl.o \
 ioleast.o \
 isatty.o \
 kernelinfo.o \
-kill.o \
 lchown.o \
 libgen/basename.o \
 libgen/dirname.o \
@@ -293,11 +292,9 @@ poll/ppoll.o \
 popen.o \
 preadv.o \
 print.o \
-psignal.o \
 putc.o \
 pwd/pwent.o \
 pwritev.o \
-raise.o \
 readdirents.o \
 readlinkat.o \
 readlink.o \
@@ -318,12 +315,15 @@ setpgid.o \
 settermmode.o \
 setuid.o \
 sfork.o \
-sigaction.o \
-SIG_DFL.o \
-SIG_ERR.o \
-SIG_IGN.o \
-signal.o \
-sigprocmask.o \
+signal/kill.o \
+signal/psignal.o \
+signal/raise.o \
+signal/sigaction.o \
+signal/SIG_DFL.o \
+signal/SIG_ERR.o \
+signal/SIG_IGN.o \
+signal/signal.o \
+signal/sigprocmask.o \
 sleep.o \
 stat.o \
 stdio.o \

libc/signal/SIG_DFL.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    SIG_DFL.cpp
+    signal/SIG_DFL.cpp
     Default signal handler.
 
 *******************************************************************************/

libc/signal/SIG_ERR.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    SIG_ERR.cpp
+    signal/SIG_ERR.cpp
     Abort on signal.
 
 *******************************************************************************/

libc/signal/SIG_IGN.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    SIG_IGN.cpp
+    signal/SIG_IGN.cpp
     Ignore signal.
 
 *******************************************************************************/

libc/signal/kill.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    kill.cpp
+    signal/kill.cpp
     Send signal to process.
 
 *******************************************************************************/

libc/signal/psignal.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    psignal.cpp
+    signal/psignal.cpp
     Print signal error condition to stderr.
 
 *******************************************************************************/

libc/signal/raise.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    raise.cpp
+    signal/raise.cpp
     Send signal to current process.
 
 *******************************************************************************/

libc/signal/sigaction.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigaction.cpp
+    signal/sigaction.cpp
     Set the action that happens when a signal is triggered.
 
 *******************************************************************************/

libc/signal/sigaddset.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigaddset.cpp
+    signal/sigaddset.cpp
     Add a signal to a signal set.
 
 *******************************************************************************/

libc/signal/sigdelset.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigdelset.cpp
+    signal/sigdelset.cpp
     Remove a signal from a signal set.
 
 *******************************************************************************/

libc/signal/sigemptyset.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigemptyset.cpp
+    signal/sigemptyset.cpp
     Removes all the signals from a signal set.
 
 *******************************************************************************/

libc/signal/sigfillset.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigfillset.cpp
+    signal/sigfillset.cpp
     Add all signals to a signal set.
 
 *******************************************************************************/

libc/signal/sigismember.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigismember.cpp
+    signal/sigismember.cpp
     Test signal membership in a signal set.
 
 *******************************************************************************/

libc/signal/signal.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    signal.cpp
+    signal/signal.cpp
     Handles the good old unix signals.
 
 *******************************************************************************/

libc/signal/sigprocmask.cpp

@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    sigprocmask.cpp
+    signal/sigprocmask.cpp
     Examine and change blocked signals.
 
 *******************************************************************************/