the beginnings of signal support in libroot

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1977 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/Jamfile

@@ -34,13 +34,14 @@ KernelLd kernel :
 
 	kernel_os_arch_$(OBOS_ARCH).o
 
-	kernel_posix_main.o
 	kernel_posix_locale.o
+	kernel_posix_main.o
+	kernel_posix_signal.o
 	kernel_posix_stdio.o
 	kernel_posix_stdlib.o
 	kernel_posix_sys.o
-	kernel_posix_unistd.o
 	kernel_posix_time.o
+	kernel_posix_unistd.o
 	posix_string.o
 	:
 	$(SUBDIR)/core/arch/$(OBOS_ARCH)/kernel.ld 
@@ -66,13 +67,14 @@ KernelLd kernel.so :
 
 	kernel_os_arch_$(OBOS_ARCH).o
 
-	kernel_posix_main.o
 	kernel_posix_locale.o
+	kernel_posix_main.o
+	kernel_posix_signal.o
 	kernel_posix_stdio.o
 	kernel_posix_stdlib.o
 	kernel_posix_sys.o
-	kernel_posix_unistd.o
 	kernel_posix_time.o
+	kernel_posix_unistd.o
 	posix_string.o
 	:
 	$(SUBDIR)/core/arch/$(OBOS_ARCH)/kernel.ld 

src/kernel/libroot/posix/Jamfile

@@ -19,12 +19,13 @@ MergeObjectFromObjects kernel_posix_main.o :
  	<$(SOURCE_GRIST)>utime.o
 	;
 
-SubInclude OBOS_TOP src kernel libroot posix malloc ;
 SubInclude OBOS_TOP src kernel libroot posix locale ;
-SubInclude OBOS_TOP src kernel libroot posix stdio ;
+SubInclude OBOS_TOP src kernel libroot posix malloc ;
-SubInclude OBOS_TOP src kernel libroot posix string ;
-SubInclude OBOS_TOP src kernel libroot posix stdlib ;
-SubInclude OBOS_TOP src kernel libroot posix unistd ;
-SubInclude OBOS_TOP src kernel libroot posix sys ;
 SubInclude OBOS_TOP src kernel libroot posix math ;
+SubInclude OBOS_TOP src kernel libroot posix signal ;
+SubInclude OBOS_TOP src kernel libroot posix stdio ;
+SubInclude OBOS_TOP src kernel libroot posix stdlib ;
+SubInclude OBOS_TOP src kernel libroot posix string ;
+SubInclude OBOS_TOP src kernel libroot posix sys ;
 SubInclude OBOS_TOP src kernel libroot posix time ;
+SubInclude OBOS_TOP src kernel libroot posix unistd ;

src/kernel/libroot/posix/signal/Jamfile

@@ -0,0 +1,14 @@
+SubDir OBOS_TOP src kernel libroot posix signal ;
+
+KernelMergeObject posix_signal.o :
+	<$(SOURCE_GRIST)>strsignal.c
+	:
+	-fPIC -DPIC
+	;
+
+MergeObjectFromObjects kernel_posix_signal.o :
+	<$(SOURCE_GRIST)>strsignal.o
+	:
+	-fPIC -DPIC
+	;
+

src/kernel/libroot/posix/signal/strsignal.c

@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <signal.h>
+#include <errno.h>
+
+/*
+ *  Copyright (c) 2002, OpenBeOS Project. All rights reserved.
+ *  Distributed under the terms of the OpenBeOS license.
+ *
+ *
+ *  strsignal.c:
+ *  implements the signal function strsignal()
+ *
+ *
+ *  Author(s):
+ *  Daniel Reinhold ([email protected])
+ *
+ */
+
+
+const char *
+strsignal(int sig)
+{
+	const char *s = NULL;
+	
+	if (sig < 0 || sig > MAX_SIGNO)
+		return "Bogus signal number";
+	
+	if (sig < NSIG)
+		s = sys_siglist[sig];
+	
+	if (s)
+		return s;
+	else {
+		static char buf[40];
+		sprintf(buf, "Unknown Signal %d", sig);
+		return (const char *) buf;
+	}
+}
+