Applied a patch from Alexander Deynichenko: added missing signal definitions.

That also includes some XSI signals, SIGPOLL and SIGVTALRM, dunno if we will every support
those in a useful way.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14593 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/signal.h

@@ -108,18 +108,25 @@ typedef struct stack_t {
 #define SIGUSR2		19	/* app defined signal 2 */
 #define SIGWINCH	20	/* tty window size changed */
 #define SIGKILLTHR	21	/* be specific: kill just the thread, not team */
-#define SIGTRAP	   22
+#define SIGTRAP		22	/* Trace/breakpoint trap */
+#define SIGPOLL		23	/* Pollable event */
+#define SIGPROF		24	/* Profiling timer expired */
+#define SIGSYS		25	/* Bad system call */
+#define SIGURG		26	/* High bandwidth data is available at socket */
+#define SIGVTALRM	27	/* Virtual timer expired */
+#define SIGXCPU		28	/* CPU time limit exceeded */
+#define SIGXFSZ		29	/* File size limit exceeded */
 
 #define SIGBUS     SIGSEGV /* for old style code */
 
 
 /*
- * Signal numbers 23-32 are currently free but may be used in future
+ * Signal numbers 30-32 are currently free but may be used in future
  * releases.  Use them at your own peril (if you do use them, at least
  * be smart and use them backwards from signal 32).
  */
 #define MAX_SIGNO     32       /* the most signals that a single thread can reference */
-#define __signal_max  22       /* the largest signal number that is actually defined */
+#define __signal_max  29       /* the largest signal number that is actually defined */
 #define NSIG (__signal_max+1)  /* the number of defined signals */
 
 

src/system/kernel/signal.c

@@ -39,7 +39,8 @@
 const char * const sigstr[NSIG] = {
 	"NONE", "HUP", "INT", "QUIT", "ILL", "CHLD", "ABRT", "PIPE",
 	"FPE", "KILL", "STOP", "SEGV", "CONT", "TSTP", "ALRM", "TERM",
-	"TTIN", "TTOU", "USR1", "USR2", "WINCH", "KILLTHR", "TRAP"
+	"TTIN", "TTOU", "USR1", "USR2", "WINCH", "KILLTHR", "TRAP",
+	"POLL", "PROF", "SYS", "URG", "VTALRM", "XCPU", "XFSZ"
 };
 
 
@@ -127,6 +128,7 @@ handle_signals(struct thread *thread)
 				case SIGTTIN:
 				case SIGTTOU:
 				case SIGCONT:
+				case SIGURG:
 					// notify the debugger
 					if (debugSignal)
 						notify_debugger(thread, signal, handler, false);
@@ -148,6 +150,12 @@ handle_signals(struct thread *thread)
 				case SIGABRT:
 				case SIGFPE:
 				case SIGSEGV:
+				case SIGPOLL:
+				case SIGPROF:
+				case SIGSYS:
+				case SIGVTALRM:
+				case SIGXCPU:
+				case SIGXFSZ:
 					TRACE(("Shutting down thread 0x%lx due to signal #%d\n",
 						thread->id, signal));
 				case SIGKILL:

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

@@ -41,7 +41,15 @@ sys_siglist[NSIG] = {
 	/* 19 - SIGUSR2    */  "User defined signal 2",
 	/* 20 - SIGWINCH   */  "Window size changed",
 	/* 21 - SIGKILLTHR */  "Kill Thread",
-	/* 22 - SIGTRAP    */  NULL
+	/* 22 - SIGTRAP    */  "Trace/breakpoint trap",
+	/* 23 - SIGPOLL    */  "Pollable event",
+	/* 24 - SIGPROF    */  "Profiling timer expired",
+	/* 25 - SIGSYS     */  "Bad system call", 
+	/* 26 - SIGURG     */  "High bandwidth data is available at socket",
+	/* 27 - SIGVTALRM  */  "Virtual timer expired",
+	/* 28 - SIGXCPU    */  "CPU time limit exceeded",
+	/* 29 - SIGXFSZ    */  "File size limit exceeded",
+	NULL
 };